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Merge 5.10.94 into android12-5.10-lts

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Changes in 5.10.94
	KVM: VMX: switch blocked_vcpu_on_cpu_lock to raw spinlock
	HID: uhid: Fix worker destroying device without any protection
	HID: wacom: Reset expected and received contact counts at the same time
	HID: wacom: Ignore the confidence flag when a touch is removed
	HID: wacom: Avoid using stale array indicies to read contact count
	f2fs: fix to do sanity check in is_alive()
	nfc: llcp: fix NULL error pointer dereference on sendmsg() after failed bind()
	mtd: rawnand: gpmi: Add ERR007117 protection for nfc_apply_timings
	mtd: rawnand: gpmi: Remove explicit default gpmi clock setting for i.MX6
	mtd: Fixed breaking list in __mtd_del_partition.
	mtd: rawnand: davinci: Don't calculate ECC when reading page
	mtd: rawnand: davinci: Avoid duplicated page read
	mtd: rawnand: davinci: Rewrite function description
	x86/gpu: Reserve stolen memory for first integrated Intel GPU
	tools/nolibc: x86-64: Fix startup code bug
	tools/nolibc: i386: fix initial stack alignment
	tools/nolibc: fix incorrect truncation of exit code
	rtc: cmos: take rtc_lock while reading from CMOS
	media: v4l2-ioctl.c: readbuffers depends on V4L2_CAP_READWRITE
	media: flexcop-usb: fix control-message timeouts
	media: mceusb: fix control-message timeouts
	media: em28xx: fix control-message timeouts
	media: cpia2: fix control-message timeouts
	media: s2255: fix control-message timeouts
	media: dib0700: fix undefined behavior in tuner shutdown
	media: redrat3: fix control-message timeouts
	media: pvrusb2: fix control-message timeouts
	media: stk1160: fix control-message timeouts
	media: cec-pin: fix interrupt en/disable handling
	can: softing_cs: softingcs_probe(): fix memleak on registration failure
	iio: adc: ti-adc081c: Partial revert of removal of ACPI IDs
	lkdtm: Fix content of section containing lkdtm_rodata_do_nothing()
	iommu/io-pgtable-arm-v7s: Add error handle for page table allocation failure
	gpu: host1x: Add back arm_iommu_detach_device()
	dma_fence_array: Fix PENDING_ERROR leak in dma_fence_array_signaled()
	PCI: Add function 1 DMA alias quirk for Marvell 88SE9125 SATA controller
	mm_zone: add function to check if managed dma zone exists
	dma/pool: create dma atomic pool only if dma zone has managed pages
	mm/page_alloc.c: do not warn allocation failure on zone DMA if no managed pages
	shmem: fix a race between shmem_unused_huge_shrink and shmem_evict_inode
	drm/ttm: Put BO in its memory manager's lru list
	Bluetooth: L2CAP: Fix not initializing sk_peer_pid
	drm/bridge: display-connector: fix an uninitialized pointer in probe()
	drm: fix null-ptr-deref in drm_dev_init_release()
	drm/panel: kingdisplay-kd097d04: Delete panel on attach() failure
	drm/panel: innolux-p079zca: Delete panel on attach() failure
	drm/rockchip: dsi: Fix unbalanced clock on probe error
	drm/rockchip: dsi: Hold pm-runtime across bind/unbind
	drm/rockchip: dsi: Disable PLL clock on bind error
	drm/rockchip: dsi: Reconfigure hardware on resume()
	Bluetooth: cmtp: fix possible panic when cmtp_init_sockets() fails
	clk: bcm-2835: Pick the closest clock rate
	clk: bcm-2835: Remove rounding up the dividers
	drm/vc4: hdmi: Set a default HSM rate
	wcn36xx: ensure pairing of init_scan/finish_scan and start_scan/end_scan
	wcn36xx: Indicate beacon not connection loss on MISSED_BEACON_IND
	wcn36xx: Fix DMA channel enable/disable cycle
	wcn36xx: Release DMA channel descriptor allocations
	wcn36xx: Put DXE block into reset before freeing memory
	wcn36xx: populate band before determining rate on RX
	wcn36xx: fix RX BD rate mapping for 5GHz legacy rates
	ath11k: Send PPDU_STATS_CFG with proper pdev mask to firmware
	mtd: hyperbus: rpc-if: Check return value of rpcif_sw_init()
	media: videobuf2: Fix the size printk format
	media: atomisp: add missing media_device_cleanup() in atomisp_unregister_entities()
	media: atomisp: fix punit_ddr_dvfs_enable() argument for mrfld_power up case
	media: atomisp: fix inverted logic in buffers_needed()
	media: atomisp: do not use err var when checking port validity for ISP2400
	media: atomisp: fix inverted error check for ia_css_mipi_is_source_port_valid()
	media: atomisp: fix ifdefs in sh_css.c
	media: staging: media: atomisp: pci: Balance braces around conditional statements in file atomisp_cmd.c
	media: atomisp: add NULL check for asd obtained from atomisp_video_pipe
	media: atomisp: fix enum formats logic
	media: atomisp: fix uninitialized bug in gmin_get_pmic_id_and_addr()
	media: aspeed: fix mode-detect always time out at 2nd run
	media: em28xx: fix memory leak in em28xx_init_dev
	media: aspeed: Update signal status immediately to ensure sane hw state
	arm64: dts: amlogic: meson-g12: Fix GPU operating point table node name
	arm64: dts: amlogic: Fix SPI NOR flash node name for ODROID N2/N2+
	arm64: dts: meson-gxbb-wetek: fix HDMI in early boot
	arm64: dts: meson-gxbb-wetek: fix missing GPIO binding
	fs: dlm: use sk->sk_socket instead of con->sock
	fs: dlm: don't call kernel_getpeername() in error_report()
	memory: renesas-rpc-if: Return error in case devm_ioremap_resource() fails
	Bluetooth: stop proccessing malicious adv data
	ath11k: Fix ETSI regd with weather radar overlap
	ath11k: clear the keys properly via DISABLE_KEY
	ath11k: reset RSN/WPA present state for open BSS
	tee: fix put order in teedev_close_context()
	fs: dlm: fix build with CONFIG_IPV6 disabled
	drm/vboxvideo: fix a NULL vs IS_ERR() check
	arm64: dts: renesas: cat875: Add rx/tx delays
	media: dmxdev: fix UAF when dvb_register_device() fails
	crypto: qce - fix uaf on qce_ahash_register_one
	crypto: qce - fix uaf on qce_skcipher_register_one
	mtd: hyperbus: rpc-if: fix bug in rpcif_hb_remove
	ARM: dts: stm32: fix dtbs_check warning on ili9341 dts binding on stm32f429 disco
	crypto: qat - fix spelling mistake: "messge" -> "message"
	crypto: qat - remove unnecessary collision prevention step in PFVF
	crypto: qat - make pfvf send message direction agnostic
	crypto: qat - fix undetected PFVF timeout in ACK loop
	ath11k: Use host CE parameters for CE interrupts configuration
	arm64: dts: ti: k3-j721e: correct cache-sets info
	tty: serial: atmel: Check return code of dmaengine_submit()
	tty: serial: atmel: Call dma_async_issue_pending()
	mfd: atmel-flexcom: Remove #ifdef CONFIG_PM_SLEEP
	mfd: atmel-flexcom: Use .resume_noirq
	media: rcar-csi2: Correct the selection of hsfreqrange
	media: imx-pxp: Initialize the spinlock prior to using it
	media: si470x-i2c: fix possible memory leak in si470x_i2c_probe()
	media: mtk-vcodec: call v4l2_m2m_ctx_release first when file is released
	media: coda: fix CODA960 JPEG encoder buffer overflow
	media: venus: pm_helpers: Control core power domain manually
	media: venus: core, venc, vdec: Fix probe dependency error
	media: venus: core: Fix a potential NULL pointer dereference in an error handling path
	media: venus: core: Fix a resource leak in the error handling path of 'venus_probe()'
	thermal/drivers/imx: Implement runtime PM support
	netfilter: bridge: add support for pppoe filtering
	arm64: dts: qcom: msm8916: fix MMC controller aliases
	cgroup: Trace event cgroup id fields should be u64
	ACPI: EC: Rework flushing of EC work while suspended to idle
	thermal/drivers/imx8mm: Enable ADC when enabling monitor
	drm/amdgpu: Fix a NULL pointer dereference in amdgpu_connector_lcd_native_mode()
	drm/radeon/radeon_kms: Fix a NULL pointer dereference in radeon_driver_open_kms()
	arm64: dts: ti: k3-j7200: Fix the L2 cache sets
	arm64: dts: ti: k3-j721e: Fix the L2 cache sets
	arm64: dts: ti: k3-j7200: Correct the d-cache-sets info
	tty: serial: uartlite: allow 64 bit address
	serial: amba-pl011: do not request memory region twice
	floppy: Fix hang in watchdog when disk is ejected
	staging: rtl8192e: return error code from rtllib_softmac_init()
	staging: rtl8192e: rtllib_module: fix error handle case in alloc_rtllib()
	Bluetooth: btmtksdio: fix resume failure
	sched/fair: Fix detection of per-CPU kthreads waking a task
	sched/fair: Fix per-CPU kthread and wakee stacking for asym CPU capacity
	bpf: Adjust BTF log size limit.
	bpf: Disallow BPF_LOG_KERNEL log level for bpf(BPF_BTF_LOAD)
	bpf: Remove config check to enable bpf support for branch records
	arm64: lib: Annotate {clear, copy}_page() as position-independent
	arm64: clear_page() shouldn't use DC ZVA when DCZID_EL0.DZP == 1
	media: dib8000: Fix a memleak in dib8000_init()
	media: saa7146: mxb: Fix a NULL pointer dereference in mxb_attach()
	media: si2157: Fix "warm" tuner state detection
	wireless: iwlwifi: Fix a double free in iwl_txq_dyn_alloc_dma
	sched/rt: Try to restart rt period timer when rt runtime exceeded
	drm/msm/dp: displayPort driver need algorithm rational
	rcu/exp: Mark current CPU as exp-QS in IPI loop second pass
	mwifiex: Fix possible ABBA deadlock
	xfrm: fix a small bug in xfrm_sa_len()
	x86/uaccess: Move variable into switch case statement
	selftests: clone3: clone3: add case CLONE3_ARGS_NO_TEST
	selftests: harness: avoid false negatives if test has no ASSERTs
	crypto: stm32 - Fix last sparse warning in stm32_cryp_check_ctr_counter
	crypto: stm32/cryp - fix CTR counter carry
	crypto: stm32/cryp - fix xts and race condition in crypto_engine requests
	crypto: stm32/cryp - check early input data
	crypto: stm32/cryp - fix double pm exit
	crypto: stm32/cryp - fix lrw chaining mode
	crypto: stm32/cryp - fix bugs and crash in tests
	crypto: stm32 - Revert broken pm_runtime_resume_and_get changes
	ath11k: Fix deleting uninitialized kernel timer during fragment cache flush
	ARM: dts: gemini: NAS4220-B: fis-index-block with 128 KiB sectors
	media: dw2102: Fix use after free
	media: msi001: fix possible null-ptr-deref in msi001_probe()
	media: coda/imx-vdoa: Handle dma_set_coherent_mask error codes
	ath11k: Fix a NULL pointer dereference in ath11k_mac_op_hw_scan()
	arm64: dts: qcom: c630: Fix soundcard setup
	arm64: dts: qcom: ipq6018: Fix gpio-ranges property
	drm/msm/dpu: fix safe status debugfs file
	drm/bridge: ti-sn65dsi86: Set max register for regmap
	drm/tegra: vic: Fix DMA API misuse
	media: hantro: Fix probe func error path
	xfrm: interface with if_id 0 should return error
	xfrm: state and policy should fail if XFRMA_IF_ID 0
	ARM: 9159/1: decompressor: Avoid UNPREDICTABLE NOP encoding
	usb: ftdi-elan: fix memory leak on device disconnect
	arm64: dts: marvell: cn9130: add GPIO and SPI aliases
	arm64: dts: marvell: cn9130: enable CP0 GPIO controllers
	ARM: dts: armada-38x: Add generic compatible to UART nodes
	iwlwifi: mvm: fix 32-bit build in FTM
	iwlwifi: mvm: test roc running status bits before removing the sta
	mmc: meson-mx-sdhc: add IRQ check
	mmc: meson-mx-sdio: add IRQ check
	selinux: fix potential memleak in selinux_add_opt()
	um: fix ndelay/udelay defines
	um: virtio_uml: Fix time-travel external time propagation
	Bluetooth: L2CAP: Fix using wrong mode
	bpftool: Enable line buffering for stdout
	backlight: qcom-wled: Validate enabled string indices in DT
	backlight: qcom-wled: Pass number of elements to read to read_u32_array
	backlight: qcom-wled: Fix off-by-one maximum with default num_strings
	backlight: qcom-wled: Override default length with qcom,enabled-strings
	backlight: qcom-wled: Use cpu_to_le16 macro to perform conversion
	backlight: qcom-wled: Respect enabled-strings in set_brightness
	software node: fix wrong node passed to find nargs_prop
	Bluetooth: hci_qca: Stop IBS timer during BT OFF
	x86/boot/compressed: Move CLANG_FLAGS to beginning of KBUILD_CFLAGS
	hwmon: (mr75203) fix wrong power-up delay value
	x86/mce/inject: Avoid out-of-bounds write when setting flags
	ACPI: scan: Create platform device for BCM4752 and LNV4752 ACPI nodes
	pcmcia: rsrc_nonstatic: Fix a NULL pointer dereference in __nonstatic_find_io_region()
	pcmcia: rsrc_nonstatic: Fix a NULL pointer dereference in nonstatic_find_mem_region()
	power: reset: mt6397: Check for null res pointer
	netfilter: ipt_CLUSTERIP: fix refcount leak in clusterip_tg_check()
	bpf: Don't promote bogus looking registers after null check.
	bpf: Fix SO_RCVBUF/SO_SNDBUF handling in _bpf_setsockopt().
	netfilter: nft_set_pipapo: allocate pcpu scratch maps on clone
	ppp: ensure minimum packet size in ppp_write()
	rocker: fix a sleeping in atomic bug
	staging: greybus: audio: Check null pointer
	fsl/fman: Check for null pointer after calling devm_ioremap
	Bluetooth: hci_bcm: Check for error irq
	Bluetooth: hci_qca: Fix NULL vs IS_ERR_OR_NULL check in qca_serdev_probe
	usb: dwc3: qcom: Fix NULL vs IS_ERR checking in dwc3_qcom_probe
	HID: hid-uclogic-params: Invalid parameter check in uclogic_params_init
	HID: hid-uclogic-params: Invalid parameter check in uclogic_params_get_str_desc
	HID: hid-uclogic-params: Invalid parameter check in uclogic_params_huion_init
	HID: hid-uclogic-params: Invalid parameter check in uclogic_params_frame_init_v1_buttonpad
	debugfs: lockdown: Allow reading debugfs files that are not world readable
	net/mlx5e: Fix page DMA map/unmap attributes
	net/mlx5e: Don't block routes with nexthop objects in SW
	Revert "net/mlx5e: Block offload of outer header csum for UDP tunnels"
	net/mlx5: Set command entry semaphore up once got index free
	lib/mpi: Add the return value check of kcalloc()
	Bluetooth: L2CAP: uninitialized variables in l2cap_sock_setsockopt()
	spi: spi-meson-spifc: Add missing pm_runtime_disable() in meson_spifc_probe
	ax25: uninitialized variable in ax25_setsockopt()
	netrom: fix api breakage in nr_setsockopt()
	regmap: Call regmap_debugfs_exit() prior to _init()
	can: mcp251xfd: add missing newline to printed strings
	tpm: add request_locality before write TPM_INT_ENABLE
	tpm_tis: Fix an error handling path in 'tpm_tis_core_init()'
	can: softing: softing_startstop(): fix set but not used variable warning
	can: xilinx_can: xcan_probe(): check for error irq
	pcmcia: fix setting of kthread task states
	iwlwifi: mvm: Use div_s64 instead of do_div in iwl_mvm_ftm_rtt_smoothing()
	net: mcs7830: handle usb read errors properly
	ext4: avoid trim error on fs with small groups
	ALSA: jack: Add missing rwsem around snd_ctl_remove() calls
	ALSA: PCM: Add missing rwsem around snd_ctl_remove() calls
	ALSA: hda: Add missing rwsem around snd_ctl_remove() calls
	RDMA/bnxt_re: Scan the whole bitmap when checking if "disabling RCFW with pending cmd-bit"
	RDMA/hns: Validate the pkey index
	scsi: pm80xx: Update WARN_ON check in pm8001_mpi_build_cmd()
	clk: imx8mn: Fix imx8mn_clko1_sels
	powerpc/prom_init: Fix improper check of prom_getprop()
	ASoC: uniphier: drop selecting non-existing SND_SOC_UNIPHIER_AIO_DMA
	dt-bindings: thermal: Fix definition of cooling-maps contribution property
	powerpc/64s: Convert some cpu_setup() and cpu_restore() functions to C
	powerpc/perf: MMCR0 control for PMU registers under PMCC=00
	powerpc/perf: move perf irq/nmi handling details into traps.c
	powerpc/irq: Add helper to set regs->softe
	powerpc/perf: Fix PMU callbacks to clear pending PMI before resetting an overflown PMC
	powerpc/32s: Fix shift-out-of-bounds in KASAN init
	clocksource: Reduce clocksource-skew threshold
	clocksource: Avoid accidental unstable marking of clocksources
	ALSA: oss: fix compile error when OSS_DEBUG is enabled
	ALSA: usb-audio: Drop superfluous '0' in Presonus Studio 1810c's ID
	char/mwave: Adjust io port register size
	binder: fix handling of error during copy
	openrisc: Add clone3 ABI wrapper
	iommu/io-pgtable-arm: Fix table descriptor paddr formatting
	scsi: ufs: Fix race conditions related to driver data
	RDMA/qedr: Fix reporting max_{send/recv}_wr attrs
	PCI/MSI: Fix pci_irq_vector()/pci_irq_get_affinity()
	powerpc/powermac: Add additional missing lockdep_register_key()
	RDMA/core: Let ib_find_gid() continue search even after empty entry
	RDMA/cma: Let cma_resolve_ib_dev() continue search even after empty entry
	ASoC: rt5663: Handle device_property_read_u32_array error codes
	of: unittest: fix warning on PowerPC frame size warning
	of: unittest: 64 bit dma address test requires arch support
	clk: stm32: Fix ltdc's clock turn off by clk_disable_unused() after system enter shell
	mips: add SYS_HAS_CPU_MIPS64_R5 config for MIPS Release 5 support
	mips: fix Kconfig reference to PHYS_ADDR_T_64BIT
	dmaengine: pxa/mmp: stop referencing config->slave_id
	iommu/amd: Remove iommu_init_ga()
	iommu/amd: Restore GA log/tail pointer on host resume
	ASoC: Intel: catpt: Test dmaengine_submit() result before moving on
	iommu/iova: Fix race between FQ timeout and teardown
	scsi: block: pm: Always set request queue runtime active in blk_post_runtime_resume()
	phy: uniphier-usb3ss: fix unintended writing zeros to PHY register
	ASoC: mediatek: Check for error clk pointer
	ASoC: samsung: idma: Check of ioremap return value
	misc: lattice-ecp3-config: Fix task hung when firmware load failed
	counter: stm32-lptimer-cnt: remove iio counter abi
	arm64: tegra: Fix Tegra194 HDA {clock,reset}-names ordering
	arm64: tegra: Remove non existent Tegra194 reset
	mips: lantiq: add support for clk_set_parent()
	mips: bcm63xx: add support for clk_set_parent()
	powerpc/xive: Add missing null check after calling kmalloc
	ASoC: fsl_mqs: fix MODULE_ALIAS
	RDMA/cxgb4: Set queue pair state when being queried
	ASoC: fsl_asrc: refine the check of available clock divider
	clk: bm1880: remove kfrees on static allocations
	of: base: Fix phandle argument length mismatch error message
	ARM: dts: omap3-n900: Fix lp5523 for multi color
	Bluetooth: Fix debugfs entry leak in hci_register_dev()
	fs: dlm: filter user dlm messages for kernel locks
	drm/lima: fix warning when CONFIG_DEBUG_SG=y & CONFIG_DMA_API_DEBUG=y
	selftests/bpf: Fix bpf_object leak in skb_ctx selftest
	ar5523: Fix null-ptr-deref with unexpected WDCMSG_TARGET_START reply
	drm/bridge: dw-hdmi: handle ELD when DRM_BRIDGE_ATTACH_NO_CONNECTOR
	drm/nouveau/pmu/gm200-: avoid touching PMU outside of DEVINIT/PREOS/ACR
	media: atomisp: fix try_fmt logic
	media: atomisp: set per-device's default mode
	media: atomisp-ov2680: Fix ov2680_set_fmt() clobbering the exposure
	ARM: shmobile: rcar-gen2: Add missing of_node_put()
	batman-adv: allow netlink usage in unprivileged containers
	media: atomisp: handle errors at sh_css_create_isp_params()
	ath11k: Fix crash caused by uninitialized TX ring
	usb: gadget: f_fs: Use stream_open() for endpoint files
	drm: panel-orientation-quirks: Add quirk for the Lenovo Yoga Book X91F/L
	HID: apple: Do not reset quirks when the Fn key is not found
	media: b2c2: Add missing check in flexcop_pci_isr:
	EDAC/synopsys: Use the quirk for version instead of ddr version
	ARM: imx: rename DEBUG_IMX21_IMX27_UART to DEBUG_IMX27_UART
	drm/amd/display: check top_pipe_to_program pointer
	drm/amdgpu/display: set vblank_disable_immediate for DC
	soc: ti: pruss: fix referenced node in error message
	mlxsw: pci: Add shutdown method in PCI driver
	drm/bridge: megachips: Ensure both bridges are probed before registration
	tty: serial: imx: disable UCR4_OREN in .stop_rx() instead of .shutdown()
	gpiolib: acpi: Do not set the IRQ type if the IRQ is already in use
	HSI: core: Fix return freed object in hsi_new_client
	crypto: jitter - consider 32 LSB for APT
	mwifiex: Fix skb_over_panic in mwifiex_usb_recv()
	rsi: Fix use-after-free in rsi_rx_done_handler()
	rsi: Fix out-of-bounds read in rsi_read_pkt()
	ath11k: Avoid NULL ptr access during mgmt tx cleanup
	media: venus: avoid calling core_clk_setrate() concurrently during concurrent video sessions
	ACPI / x86: Drop PWM2 device on Lenovo Yoga Book from always present table
	ACPI: Change acpi_device_always_present() into acpi_device_override_status()
	ACPI / x86: Allow specifying acpi_device_override_status() quirks by path
	ACPI / x86: Add not-present quirk for the PCI0.SDHB.BRC1 device on the GPD win
	arm64: dts: ti: j7200-main: Fix 'dtbs_check' serdes_ln_ctrl node
	usb: uhci: add aspeed ast2600 uhci support
	floppy: Add max size check for user space request
	x86/mm: Flush global TLB when switching to trampoline page-table
	drm: rcar-du: Fix CRTC timings when CMM is used
	media: uvcvideo: Increase UVC_CTRL_CONTROL_TIMEOUT to 5 seconds.
	media: rcar-vin: Update format alignment constraints
	media: saa7146: hexium_orion: Fix a NULL pointer dereference in hexium_attach()
	media: m920x: don't use stack on USB reads
	thunderbolt: Runtime PM activate both ends of the device link
	iwlwifi: mvm: synchronize with FW after multicast commands
	iwlwifi: mvm: avoid clearing a just saved session protection id
	ath11k: avoid deadlock by change ieee80211_queue_work for regd_update_work
	ath10k: Fix tx hanging
	net-sysfs: update the queue counts in the unregistration path
	net: phy: prefer 1000baseT over 1000baseKX
	gpio: aspeed: Convert aspeed_gpio.lock to raw_spinlock
	selftests/ftrace: make kprobe profile testcase description unique
	ath11k: Avoid false DEADLOCK warning reported by lockdep
	x86/mce: Allow instrumentation during task work queueing
	x86/mce: Mark mce_panic() noinstr
	x86/mce: Mark mce_end() noinstr
	x86/mce: Mark mce_read_aux() noinstr
	net: bonding: debug: avoid printing debug logs when bond is not notifying peers
	bpf: Do not WARN in bpf_warn_invalid_xdp_action()
	HID: quirks: Allow inverting the absolute X/Y values
	media: igorplugusb: receiver overflow should be reported
	media: saa7146: hexium_gemini: Fix a NULL pointer dereference in hexium_attach()
	mmc: core: Fixup storing of OCR for MMC_QUIRK_NONSTD_SDIO
	audit: ensure userspace is penalized the same as the kernel when under pressure
	arm64: dts: ls1028a-qds: move rtc node to the correct i2c bus
	arm64: tegra: Adjust length of CCPLEX cluster MMIO region
	PM: runtime: Add safety net to supplier device release
	cpufreq: Fix initialization of min and max frequency QoS requests
	usb: hub: Add delay for SuperSpeed hub resume to let links transit to U0
	ath9k: Fix out-of-bound memcpy in ath9k_hif_usb_rx_stream
	rtw88: 8822c: update rx settings to prevent potential hw deadlock
	PM: AVS: qcom-cpr: Use div64_ul instead of do_div
	iwlwifi: fix leaks/bad data after failed firmware load
	iwlwifi: remove module loading failure message
	iwlwifi: mvm: Fix calculation of frame length
	iwlwifi: pcie: make sure prph_info is set when treating wakeup IRQ
	um: registers: Rename function names to avoid conflicts and build problems
	ath11k: Fix napi related hang
	Bluetooth: vhci: Set HCI_QUIRK_VALID_LE_STATES
	xfrm: rate limit SA mapping change message to user space
	drm/etnaviv: consider completed fence seqno in hang check
	jffs2: GC deadlock reading a page that is used in jffs2_write_begin()
	ACPICA: actypes.h: Expand the ACPI_ACCESS_ definitions
	ACPICA: Utilities: Avoid deleting the same object twice in a row
	ACPICA: Executer: Fix the REFCLASS_REFOF case in acpi_ex_opcode_1A_0T_1R()
	ACPICA: Fix wrong interpretation of PCC address
	ACPICA: Hardware: Do not flush CPU cache when entering S4 and S5
	drm/amdgpu: fixup bad vram size on gmc v8
	amdgpu/pm: Make sysfs pm attributes as read-only for VFs
	ACPI: battery: Add the ThinkPad "Not Charging" quirk
	btrfs: remove BUG_ON() in find_parent_nodes()
	btrfs: remove BUG_ON(!eie) in find_parent_nodes
	net: mdio: Demote probed message to debug print
	mac80211: allow non-standard VHT MCS-10/11
	dm btree: add a defensive bounds check to insert_at()
	dm space map common: add bounds check to sm_ll_lookup_bitmap()
	mlxsw: pci: Avoid flow control for EMAD packets
	net: phy: marvell: configure RGMII delays for 88E1118
	net: gemini: allow any RGMII interface mode
	regulator: qcom_smd: Align probe function with rpmh-regulator
	serial: pl010: Drop CR register reset on set_termios
	serial: core: Keep mctrl register state and cached copy in sync
	random: do not throw away excess input to crng_fast_load
	parisc: Avoid calling faulthandler_disabled() twice
	x86/kbuild: Enable CONFIG_KALLSYMS_ALL=y in the defconfigs
	powerpc/6xx: add missing of_node_put
	powerpc/powernv: add missing of_node_put
	powerpc/cell: add missing of_node_put
	powerpc/btext: add missing of_node_put
	powerpc/watchdog: Fix missed watchdog reset due to memory ordering race
	i2c: i801: Don't silently correct invalid transfer size
	powerpc/smp: Move setup_profiling_timer() under CONFIG_PROFILING
	i2c: mpc: Correct I2C reset procedure
	clk: meson: gxbb: Fix the SDM_EN bit for MPLL0 on GXBB
	powerpc/powermac: Add missing lockdep_register_key()
	KVM: PPC: Book3S: Suppress warnings when allocating too big memory slots
	KVM: PPC: Book3S: Suppress failed alloc warning in H_COPY_TOFROM_GUEST
	w1: Misuse of get_user()/put_user() reported by sparse
	nvmem: core: set size for sysfs bin file
	dm: fix alloc_dax error handling in alloc_dev
	scsi: lpfc: Trigger SLI4 firmware dump before doing driver cleanup
	ALSA: seq: Set upper limit of processed events
	MIPS: Loongson64: Use three arguments for slti
	powerpc/40x: Map 32Mbytes of memory at startup
	selftests/powerpc/spectre_v2: Return skip code when miss_percent is high
	powerpc: handle kdump appropriately with crash_kexec_post_notifiers option
	powerpc/fadump: Fix inaccurate CPU state info in vmcore generated with panic
	udf: Fix error handling in udf_new_inode()
	MIPS: OCTEON: add put_device() after of_find_device_by_node()
	irqchip/gic-v4: Disable redistributors' view of the VPE table at boot time
	i2c: designware-pci: Fix to change data types of hcnt and lcnt parameters
	MIPS: Octeon: Fix build errors using clang
	scsi: sr: Don't use GFP_DMA
	ASoC: mediatek: mt8173: fix device_node leak
	ASoC: mediatek: mt8183: fix device_node leak
	phy: mediatek: Fix missing check in mtk_mipi_tx_probe
	rpmsg: core: Clean up resources on announce_create failure.
	crypto: omap-aes - Fix broken pm_runtime_and_get() usage
	crypto: stm32/crc32 - Fix kernel BUG triggered in probe()
	crypto: caam - replace this_cpu_ptr with raw_cpu_ptr
	ubifs: Error path in ubifs_remount_rw() seems to wrongly free write buffers
	tpm: fix NPE on probe for missing device
	spi: uniphier: Fix a bug that doesn't point to private data correctly
	xen/gntdev: fix unmap notification order
	fuse: Pass correct lend value to filemap_write_and_wait_range()
	serial: Fix incorrect rs485 polarity on uart open
	cputime, cpuacct: Include guest time in user time in cpuacct.stat
	tracing/kprobes: 'nmissed' not showed correctly for kretprobe
	iwlwifi: mvm: Increase the scan timeout guard to 30 seconds
	s390/mm: fix 2KB pgtable release race
	device property: Fix fwnode_graph_devcon_match() fwnode leak
	drm/etnaviv: limit submit sizes
	drm/nouveau/kms/nv04: use vzalloc for nv04_display
	drm/bridge: analogix_dp: Make PSR-exit block less
	parisc: Fix lpa and lpa_user defines
	powerpc/64s/radix: Fix huge vmap false positive
	PCI: xgene: Fix IB window setup
	PCI: pciehp: Use down_read/write_nested(reset_lock) to fix lockdep errors
	PCI: pci-bridge-emul: Make expansion ROM Base Address register read-only
	PCI: pci-bridge-emul: Properly mark reserved PCIe bits in PCI config space
	PCI: pci-bridge-emul: Fix definitions of reserved bits
	PCI: pci-bridge-emul: Correctly set PCIe capabilities
	PCI: pci-bridge-emul: Set PCI_STATUS_CAP_LIST for PCIe device
	xfrm: fix policy lookup for ipv6 gre packets
	btrfs: fix deadlock between quota enable and other quota operations
	btrfs: check the root node for uptodate before returning it
	btrfs: respect the max size in the header when activating swap file
	ext4: make sure to reset inode lockdep class when quota enabling fails
	ext4: make sure quota gets properly shutdown on error
	ext4: fix a possible ABBA deadlock due to busy PA
	ext4: initialize err_blk before calling __ext4_get_inode_loc
	ext4: fix fast commit may miss tracking range for FALLOC_FL_ZERO_RANGE
	ext4: set csum seed in tmp inode while migrating to extents
	ext4: Fix BUG_ON in ext4_bread when write quota data
	ext4: use ext4_ext_remove_space() for fast commit replay delete range
	ext4: fast commit may miss tracking unwritten range during ftruncate
	ext4: destroy ext4_fc_dentry_cachep kmemcache on module removal
	ext4: fix null-ptr-deref in '__ext4_journal_ensure_credits'
	ext4: don't use the orphan list when migrating an inode
	drm/radeon: fix error handling in radeon_driver_open_kms
	of: base: Improve argument length mismatch error
	firmware: Update Kconfig help text for Google firmware
	can: mcp251xfd: mcp251xfd_tef_obj_read(): fix typo in error message
	media: rcar-csi2: Optimize the selection PHTW register
	drm/vc4: hdmi: Make sure the device is powered with CEC
	media: correct MEDIA_TEST_SUPPORT help text
	Documentation: dmaengine: Correctly describe dmatest with channel unset
	Documentation: ACPI: Fix data node reference documentation
	Documentation: refer to config RANDOMIZE_BASE for kernel address-space randomization
	Documentation: fix firewire.rst ABI file path error
	Bluetooth: hci_sync: Fix not setting adv set duration
	scsi: core: Show SCMD_LAST in text form
	dmaengine: uniphier-xdmac: Fix type of address variables
	RDMA/hns: Modify the mapping attribute of doorbell to device
	RDMA/rxe: Fix a typo in opcode name
	dmaengine: stm32-mdma: fix STM32_MDMA_CTBR_TSEL_MASK
	Revert "net/mlx5: Add retry mechanism to the command entry index allocation"
	powerpc/cell: Fix clang -Wimplicit-fallthrough warning
	powerpc/fsl/dts: Enable WA for erratum A-009885 on fman3l MDIO buses
	block: Fix fsync always failed if once failed
	bpftool: Remove inclusion of utilities.mak from Makefiles
	xdp: check prog type before updating BPF link
	perf evsel: Override attr->sample_period for non-libpfm4 events
	ipv4: update fib_info_cnt under spinlock protection
	ipv4: avoid quadratic behavior in netns dismantle
	net/fsl: xgmac_mdio: Add workaround for erratum A-009885
	net/fsl: xgmac_mdio: Fix incorrect iounmap when removing module
	parisc: pdc_stable: Fix memory leak in pdcs_register_pathentries
	f2fs: compress: fix potential deadlock of compress file
	f2fs: fix to reserve space for IO align feature
	af_unix: annote lockless accesses to unix_tot_inflight & gc_in_progress
	clk: Emit a stern warning with writable debugfs enabled
	clk: si5341: Fix clock HW provider cleanup
	net/smc: Fix hung_task when removing SMC-R devices
	net: axienet: increase reset timeout
	net: axienet: Wait for PhyRstCmplt after core reset
	net: axienet: reset core on initialization prior to MDIO access
	net: axienet: add missing memory barriers
	net: axienet: limit minimum TX ring size
	net: axienet: Fix TX ring slot available check
	net: axienet: fix number of TX ring slots for available check
	net: axienet: fix for TX busy handling
	net: axienet: increase default TX ring size to 128
	HID: vivaldi: fix handling devices not using numbered reports
	rtc: pxa: fix null pointer dereference
	vdpa/mlx5: Fix wrong configuration of virtio_version_1_0
	virtio_ring: mark ring unused on error
	taskstats: Cleanup the use of task->exit_code
	inet: frags: annotate races around fqdir->dead and fqdir->high_thresh
	netns: add schedule point in ops_exit_list()
	xfrm: Don't accidentally set RTO_ONLINK in decode_session4()
	gre: Don't accidentally set RTO_ONLINK in gre_fill_metadata_dst()
	libcxgb: Don't accidentally set RTO_ONLINK in cxgb_find_route()
	perf script: Fix hex dump character output
	dmaengine: at_xdmac: Don't start transactions at tx_submit level
	dmaengine: at_xdmac: Start transfer for cyclic channels in issue_pending
	dmaengine: at_xdmac: Print debug message after realeasing the lock
	dmaengine: at_xdmac: Fix concurrency over xfers_list
	dmaengine: at_xdmac: Fix lld view setting
	dmaengine: at_xdmac: Fix at_xdmac_lld struct definition
	perf probe: Fix ppc64 'perf probe add events failed' case
	devlink: Remove misleading internal_flags from health reporter dump
	arm64: dts: qcom: msm8996: drop not documented adreno properties
	net: bonding: fix bond_xmit_broadcast return value error bug
	net_sched: restore "mpu xxx" handling
	bcmgenet: add WOL IRQ check
	net: ethernet: mtk_eth_soc: fix error checking in mtk_mac_config()
	net: sfp: fix high power modules without diagnostic monitoring
	net: mscc: ocelot: fix using match before it is set
	dt-bindings: display: meson-dw-hdmi: add missing sound-name-prefix property
	dt-bindings: display: meson-vpu: Add missing amlogic,canvas property
	dt-bindings: watchdog: Require samsung,syscon-phandle for Exynos7
	scripts/dtc: dtx_diff: remove broken example from help text
	lib82596: Fix IRQ check in sni_82596_probe
	mm/hmm.c: allow VM_MIXEDMAP to work with hmm_range_fault
	lib/test_meminit: destroy cache in kmem_cache_alloc_bulk() test
	mtd: nand: bbt: Fix corner case in bad block table handling
	ath10k: Fix the MTU size on QCA9377 SDIO
	scripts: sphinx-pre-install: add required ctex dependency
	scripts: sphinx-pre-install: Fix ctex support on Debian
	Linux 5.10.94

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I857f2417c899508815a1ba13d1285fd400a1f133
This commit is contained in:
Greg Kroah-Hartman
2022-01-27 11:49:22 +01:00
parent 0347b16583 c525532e4f
commit 4ec3c2eea5
536 changed files with 5552 additions and 3323 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
Documentation/ABI/testing/sysfs-bus-iio-lptimer-stm32
View File

@@ -1,62 +0,0 @@
What: /sys/bus/iio/devices/iio:deviceX/in_count0_preset
KernelVersion: 4.13
Contact: fabrice.gasnier@st.com
Description:
Reading returns the current preset value. Writing sets the
preset value. Encoder counts continuously from 0 to preset
value, depending on direction (up/down).
What: /sys/bus/iio/devices/iio:deviceX/in_count_quadrature_mode_available
KernelVersion: 4.13
Contact: fabrice.gasnier@st.com
Description:
Reading returns the list possible quadrature modes.
What: /sys/bus/iio/devices/iio:deviceX/in_count0_quadrature_mode
KernelVersion: 4.13
Contact: fabrice.gasnier@st.com
Description:
Configure the device counter quadrature modes:
- non-quadrature:
Encoder IN1 input servers as the count input (up
direction).
- quadrature:
Encoder IN1 and IN2 inputs are mixed to get direction
and count.
What: /sys/bus/iio/devices/iio:deviceX/in_count_polarity_available
KernelVersion: 4.13
Contact: fabrice.gasnier@st.com
Description:
Reading returns the list possible active edges.
What: /sys/bus/iio/devices/iio:deviceX/in_count0_polarity
KernelVersion: 4.13
Contact: fabrice.gasnier@st.com
Description:
Configure the device encoder/counter active edge:
- rising-edge
- falling-edge
- both-edges
In non-quadrature mode, device counts up on active edge.
In quadrature mode, encoder counting scenarios are as follows:
+---------+----------+--------------------+--------------------+
| Active | Level on | IN1 signal | IN2 signal |
| edge | opposite +----------+---------+----------+---------+
| | signal | Rising | Falling | Rising | Falling |
+---------+----------+----------+---------+----------+---------+
| Rising | High -> | Down | - | Up | - |
| edge | Low -> | Up | - | Down | - |
+---------+----------+----------+---------+----------+---------+
| Falling | High -> | - | Up | - | Down |
| edge | Low -> | - | Down | - | Up |
+---------+----------+----------+---------+----------+---------+
| Both | High -> | Down | Up | Up | Down |
| edges | Low -> | Up | Down | Down | Up |
+---------+----------+----------+---------+----------+---------+

2
Documentation/admin-guide/hw-vuln/spectre.rst
View File

@@ -468,7 +468,7 @@ Spectre variant 2
before invoking any firmware code to prevent Spectre variant 2 exploits
using the firmware.
Using kernel address space randomization (CONFIG_RANDOMIZE_SLAB=y
Using kernel address space randomization (CONFIG_RANDOMIZE_BASE=y
and CONFIG_SLAB_FREELIST_RANDOM=y in the kernel configuration) makes
attacks on the kernel generally more difficult.

5
Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml
View File

@@ -10,6 +10,9 @@ title: Amlogic specific extensions to the Synopsys Designware HDMI Controller
maintainers:
- Neil Armstrong <narmstrong@baylibre.com>
allOf:
- $ref: /schemas/sound/name-prefix.yaml#
description: |
The Amlogic Meson Synopsys Designware Integration is composed of
- A Synopsys DesignWare HDMI Controller IP
@@ -99,6 +102,8 @@ properties:
"#sound-dai-cells":
const: 0
sound-name-prefix: true
required:
- compatible
- reg

6
Documentation/devicetree/bindings/display/amlogic,meson-vpu.yaml
View File

@@ -78,6 +78,10 @@ properties:
interrupts:
maxItems: 1
amlogic,canvas:
description: should point to a canvas provider node
$ref: /schemas/types.yaml#/definitions/phandle
power-domains:
maxItems: 1
description: phandle to the associated power domain
@@ -106,6 +110,7 @@ required:
- port@1
- "#address-cells"
- "#size-cells"
- amlogic,canvas
additionalProperties: false
@@ -118,6 +123,7 @@ examples:
interrupts = <3>;
#address-cells = <1>;
#size-cells = <0>;
amlogic,canvas = <&canvas>;
/* CVBS VDAC output port */
port@0 {

9
Documentation/devicetree/bindings/thermal/thermal-zones.yaml
View File

@@ -199,12 +199,11 @@ patternProperties:
contribution:
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 100
description:
The percentage contribution of the cooling devices at the
specific trip temperature referenced in this map
to this thermal zone
The cooling contribution to the thermal zone of the referred
cooling device at the referred trip point. The contribution is
a ratio of the sum of all cooling contributions within a
thermal zone.
required:
- trip

5
Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml
View File

@@ -39,8 +39,8 @@ properties:
samsung,syscon-phandle:
$ref: /schemas/types.yaml#/definitions/phandle
description:
Phandle to the PMU system controller node (in case of Exynos5250
and Exynos5420).
Phandle to the PMU system controller node (in case of Exynos5250,
Exynos5420 and Exynos7).
required:
- compatible
@@ -58,6 +58,7 @@ allOf:
enum:
- samsung,exynos5250-wdt
- samsung,exynos5420-wdt
- samsung,exynos7-wdt
then:
required:
- samsung,syscon-phandle

7
Documentation/driver-api/dmaengine/dmatest.rst
View File

@@ -143,13 +143,14 @@ Part 5 - Handling channel allocation
Allocating Channels
-------------------
Channels are required to be configured prior to starting the test run.
Attempting to run the test without configuring the channels will fail.
Channels do not need to be configured prior to starting a test run. Attempting
to run the test without configuring the channels will result in testing any
channels that are available.
Example::
% echo 1 > /sys/module/dmatest/parameters/run
dmatest: Could not start test, no channels configured
dmatest: No channels configured, continue with any
Channels are registered using the "channel" parameter. Channels can be requested by their
name, once requested, the channel is registered and a pending thread is added to the test list.

4
Documentation/driver-api/firewire.rst
View File

@@ -19,7 +19,7 @@ of kernel interfaces is available via exported symbols in `firewire-core` module
Firewire char device data structures
====================================
.. include:: /ABI/stable/firewire-cdev
.. include:: ../ABI/stable/firewire-cdev
:literal:
.. kernel-doc:: include/uapi/linux/firewire-cdev.h
@@ -28,7 +28,7 @@ Firewire char device data structures
Firewire device probing and sysfs interfaces
============================================
.. include:: /ABI/stable/sysfs-bus-firewire
.. include:: ../ABI/stable/sysfs-bus-firewire
:literal:
.. kernel-doc:: drivers/firewire/core-device.c

10
Documentation/firmware-guide/acpi/dsd/data-node-references.rst
View File

@@ -5,7 +5,7 @@
Referencing hierarchical data nodes
===================================
:Copyright: |copy| 2018 Intel Corporation
:Copyright: |copy| 2018, 2021 Intel Corporation
:Author: Sakari Ailus <sakari.ailus@linux.intel.com>
ACPI in general allows referring to device objects in the tree only.
@@ -52,12 +52,14 @@ the ANOD object which is also the final target node of the reference.
Name (NOD0, Package() {
ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
Package () {
Package () { "reg", 0 },
Package () { "random-property", 3 },
}
})
Name (NOD1, Package() {
ToUUID("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
Package () {
Package () { "reg", 1 },
Package () { "anothernode", "ANOD" },
}
})
@@ -74,7 +76,11 @@ the ANOD object which is also the final target node of the reference.
Name (_DSD, Package () {
ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
Package () {
Package () { "reference", ^DEV0, "node@1", "anothernode" },
Package () {
"reference", Package () {
^DEV0, "node@1", "anothernode"
}
},
}
})
}

2
Makefile
View File

@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 10
SUBLEVEL = 93
SUBLEVEL = 94
EXTRAVERSION =
NAME = Dare mighty things

14
arch/arm/Kconfig.debug
View File

@@ -400,12 +400,12 @@ choice
Say Y here if you want kernel low-level debugging support
on i.MX25.
config DEBUG_IMX21_IMX27_UART
bool "i.MX21 and i.MX27 Debug UART"
depends on SOC_IMX21 || SOC_IMX27
config DEBUG_IMX27_UART
bool "i.MX27 Debug UART"
depends on SOC_IMX27
help
Say Y here if you want kernel low-level debugging support
on i.MX21 or i.MX27.
on i.MX27.
config DEBUG_IMX28_UART
bool "i.MX28 Debug UART"
@@ -1523,7 +1523,7 @@ config DEBUG_IMX_UART_PORT
int "i.MX Debug UART Port Selection"
depends on DEBUG_IMX1_UART || \
DEBUG_IMX25_UART || \
DEBUG_IMX21_IMX27_UART || \
DEBUG_IMX27_UART || \
DEBUG_IMX31_UART || \
DEBUG_IMX35_UART || \
DEBUG_IMX50_UART || \
@@ -1591,12 +1591,12 @@ config DEBUG_LL_INCLUDE
default "debug/icedcc.S" if DEBUG_ICEDCC
default "debug/imx.S" if DEBUG_IMX1_UART || \
DEBUG_IMX25_UART || \
DEBUG_IMX21_IMX27_UART || \
DEBUG_IMX27_UART || \
DEBUG_IMX31_UART || \
DEBUG_IMX35_UART || \
DEBUG_IMX50_UART || \
DEBUG_IMX51_UART || \
DEBUG_IMX53_UART ||\
DEBUG_IMX53_UART || \
DEBUG_IMX6Q_UART || \
DEBUG_IMX6SL_UART || \
DEBUG_IMX6SX_UART || \

22
arch/arm/boot/compressed/efi-header.S
View File

@@ -9,16 +9,22 @@
#include <linux/sizes.h>
.macro __nop
#ifdef CONFIG_EFI_STUB
@ This is almost but not quite a NOP, since it does clobber the
@ condition flags. But it is the best we can do for EFI, since
@ PE/COFF expects the magic string "MZ" at offset 0, while the
@ ARM/Linux boot protocol expects an executable instruction
@ there.
.inst MZ_MAGIC | (0x1310 << 16) @ tstne r0, #0x4d000
#else
AR_CLASS( mov r0, r0 )
M_CLASS( nop.w )
.endm
.macro __initial_nops
#ifdef CONFIG_EFI_STUB
@ This is a two-instruction NOP, which happens to bear the
@ PE/COFF signature "MZ" in the first two bytes, so the kernel
@ is accepted as an EFI binary. Booting via the UEFI stub
@ will not execute those instructions, but the ARM/Linux
@ boot protocol does, so we need some NOPs here.
.inst MZ_MAGIC | (0xe225 << 16) @ eor r5, r5, 0x4d000
eor r5, r5, 0x4d000 @ undo previous insn
#else
__nop
__nop
#endif
.endm

3
arch/arm/boot/compressed/head.S
View File

@@ -197,7 +197,8 @@ start:
* were patching the initial instructions of the kernel, i.e
* had started to exploit this "patch area".
*/
.rept 7
__initial_nops
.rept 5
__nop
.endr
#ifndef CONFIG_THUMB2_KERNEL

4
arch/arm/boot/dts/armada-38x.dtsi
View File

@@ -168,7 +168,7 @@
};
uart0: serial@12000 {
compatible = "marvell,armada-38x-uart";
compatible = "marvell,armada-38x-uart", "ns16550a";
reg = <0x12000 0x100>;
reg-shift = <2>;
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
@@ -178,7 +178,7 @@
};
uart1: serial@12100 {
compatible = "marvell,armada-38x-uart";
compatible = "marvell,armada-38x-uart", "ns16550a";
reg = <0x12100 0x100>;
reg-shift = <2>;
interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;

2
arch/arm/boot/dts/gemini-nas4220b.dts
View File

@@ -84,7 +84,7 @@
partitions {
compatible = "redboot-fis";
/* Eraseblock at 0xfe0000 */
fis-index-block = <0x1fc>;
fis-index-block = <0x7f>;
};
};

50
arch/arm/boot/dts/omap3-n900.dts
View File

@@ -8,6 +8,7 @@
#include "omap34xx.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
/*
* Default secure signed bootloader (Nokia X-Loader) does not enable L3 firewall
@@ -630,63 +631,92 @@
};
lp5523: lp5523@32 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "national,lp5523";
reg = <0x32>;
clock-mode = /bits/ 8 <0>; /* LP55XX_CLOCK_AUTO */
enable-gpio = <&gpio2 9 GPIO_ACTIVE_HIGH>; /* 41 */
enable-gpios = <&gpio2 9 GPIO_ACTIVE_HIGH>; /* 41 */
chan0 {
led@0 {
reg = <0>;
chan-name = "lp5523:kb1";
led-cur = /bits/ 8 <50>;
max-cur = /bits/ 8 <100>;
color = <LED_COLOR_ID_WHITE>;
function = LED_FUNCTION_KBD_BACKLIGHT;
};
chan1 {
led@1 {
reg = <1>;
chan-name = "lp5523:kb2";
led-cur = /bits/ 8 <50>;
max-cur = /bits/ 8 <100>;
color = <LED_COLOR_ID_WHITE>;
function = LED_FUNCTION_KBD_BACKLIGHT;
};
chan2 {
led@2 {
reg = <2>;
chan-name = "lp5523:kb3";
led-cur = /bits/ 8 <50>;
max-cur = /bits/ 8 <100>;
color = <LED_COLOR_ID_WHITE>;
function = LED_FUNCTION_KBD_BACKLIGHT;
};
chan3 {
led@3 {
reg = <3>;
chan-name = "lp5523:kb4";
led-cur = /bits/ 8 <50>;
max-cur = /bits/ 8 <100>;
color = <LED_COLOR_ID_WHITE>;
function = LED_FUNCTION_KBD_BACKLIGHT;
};
chan4 {
led@4 {
reg = <4>;
chan-name = "lp5523:b";
led-cur = /bits/ 8 <50>;
max-cur = /bits/ 8 <100>;
color = <LED_COLOR_ID_BLUE>;
function = LED_FUNCTION_STATUS;
};
chan5 {
led@5 {
reg = <5>;
chan-name = "lp5523:g";
led-cur = /bits/ 8 <50>;
max-cur = /bits/ 8 <100>;
color = <LED_COLOR_ID_GREEN>;
function = LED_FUNCTION_STATUS;
};
chan6 {
led@6 {
reg = <6>;
chan-name = "lp5523:r";
led-cur = /bits/ 8 <50>;
max-cur = /bits/ 8 <100>;
color = <LED_COLOR_ID_RED>;
function = LED_FUNCTION_STATUS;
};
chan7 {
led@7 {
reg = <7>;
chan-name = "lp5523:kb5";
led-cur = /bits/ 8 <50>;
max-cur = /bits/ 8 <100>;
color = <LED_COLOR_ID_WHITE>;
function = LED_FUNCTION_KBD_BACKLIGHT;
};
chan8 {
led@8 {
reg = <8>;
chan-name = "lp5523:kb6";
led-cur = /bits/ 8 <50>;
max-cur = /bits/ 8 <100>;
color = <LED_COLOR_ID_WHITE>;
function = LED_FUNCTION_KBD_BACKLIGHT;
};
};

2
arch/arm/boot/dts/stm32f429-disco.dts
View File

@@ -192,7 +192,7 @@
display: display@1{
/* Connect panel-ilitek-9341 to ltdc */
compatible = "st,sf-tc240t-9370-t";
compatible = "st,sf-tc240t-9370-t", "ilitek,ili9341";
reg = <1>;
spi-3wire;
spi-max-frequency = <10000000>;

18
arch/arm/include/debug/imx-uart.h
View File

@@ -11,13 +11,6 @@
#define IMX1_UART_BASE_ADDR(n) IMX1_UART##n##_BASE_ADDR
#define IMX1_UART_BASE(n) IMX1_UART_BASE_ADDR(n)
#define IMX21_UART1_BASE_ADDR 0x1000a000
#define IMX21_UART2_BASE_ADDR 0x1000b000
#define IMX21_UART3_BASE_ADDR 0x1000c000
#define IMX21_UART4_BASE_ADDR 0x1000d000
#define IMX21_UART_BASE_ADDR(n) IMX21_UART##n##_BASE_ADDR
#define IMX21_UART_BASE(n) IMX21_UART_BASE_ADDR(n)
#define IMX25_UART1_BASE_ADDR 0x43f90000
#define IMX25_UART2_BASE_ADDR 0x43f94000
#define IMX25_UART3_BASE_ADDR 0x5000c000
@@ -26,6 +19,13 @@
#define IMX25_UART_BASE_ADDR(n) IMX25_UART##n##_BASE_ADDR
#define IMX25_UART_BASE(n) IMX25_UART_BASE_ADDR(n)
#define IMX27_UART1_BASE_ADDR 0x1000a000
#define IMX27_UART2_BASE_ADDR 0x1000b000
#define IMX27_UART3_BASE_ADDR 0x1000c000
#define IMX27_UART4_BASE_ADDR 0x1000d000
#define IMX27_UART_BASE_ADDR(n) IMX27_UART##n##_BASE_ADDR
#define IMX27_UART_BASE(n) IMX27_UART_BASE_ADDR(n)
#define IMX31_UART1_BASE_ADDR 0x43f90000
#define IMX31_UART2_BASE_ADDR 0x43f94000
#define IMX31_UART3_BASE_ADDR 0x5000c000
@@ -112,10 +112,10 @@
#ifdef CONFIG_DEBUG_IMX1_UART
#define UART_PADDR IMX_DEBUG_UART_BASE(IMX1)
#elif defined(CONFIG_DEBUG_IMX21_IMX27_UART)
#define UART_PADDR IMX_DEBUG_UART_BASE(IMX21)
#elif defined(CONFIG_DEBUG_IMX25_UART)
#define UART_PADDR IMX_DEBUG_UART_BASE(IMX25)
#elif defined(CONFIG_DEBUG_IMX27_UART)
#define UART_PADDR IMX_DEBUG_UART_BASE(IMX27)
#elif defined(CONFIG_DEBUG_IMX31_UART)
#define UART_PADDR IMX_DEBUG_UART_BASE(IMX31)
#elif defined(CONFIG_DEBUG_IMX35_UART)

5
arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
View File

@@ -154,8 +154,10 @@ static int __init rcar_gen2_regulator_quirk(void)
return -ENODEV;
for_each_matching_node_and_match(np, rcar_gen2_quirk_match, &id) {
if (!of_device_is_available(np))
if (!of_device_is_available(np)) {
of_node_put(np);
break;
}
ret = of_property_read_u32(np, "reg", &addr);
if (ret) /* Skip invalid entry and continue */
@@ -164,6 +166,7 @@ static int __init rcar_gen2_regulator_quirk(void)
quirk = kzalloc(sizeof(*quirk), GFP_KERNEL);
if (!quirk) {
ret = -ENOMEM;
of_node_put(np);
goto err_mem;
}

2
arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
View File

@@ -52,7 +52,7 @@
secure-monitor = <&sm>;
};
gpu_opp_table: gpu-opp-table {
gpu_opp_table: opp-table-gpu {
compatible = "operating-points-v2";
opp-124999998 {

2
arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
View File

@@ -543,7 +543,7 @@
pinctrl-0 = <&nor_pins>;
pinctrl-names = "default";
mx25u64: spi-flash@0 {
mx25u64: flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "mxicy,mx25u6435f", "jedec,spi-nor";

3
arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi
View File

@@ -6,6 +6,7 @@
*/
#include "meson-gxbb.dtsi"
#include <dt-bindings/gpio/gpio.h>
/ {
aliases {
@@ -64,6 +65,7 @@
regulator-name = "VDDIO_AO18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
vcc_3v3: regulator-vcc_3v3 {
@@ -161,6 +163,7 @@
status = "okay";
pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
pinctrl-names = "default";
hdmi-supply = <&vddio_ao18>;
};
&hdmi_tx_tmds_port {

14
arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
View File

@@ -261,11 +261,6 @@
vcc-supply = <&sb_3v3>;
};
rtc@51 {
compatible = "nxp,pcf2129";
reg = <0x51>;
};
eeprom@56 {
compatible = "atmel,24c512";
reg = <0x56>;
@@ -307,6 +302,15 @@
};
&i2c1 {
status = "okay";
rtc@51 {
compatible = "nxp,pcf2129";
reg = <0x51>;
};
};
&enetc_port1 {
phy-handle = <&qds_phy1>;
phy-connection-type = "rgmii-id";

15
arch/arm64/boot/dts/marvell/cn9130.dtsi
View File

@@ -11,6 +11,13 @@
model = "Marvell Armada CN9130 SoC";
compatible = "marvell,cn9130", "marvell,armada-ap807-quad",
"marvell,armada-ap807";
aliases {
gpio1 = &cp0_gpio1;
gpio2 = &cp0_gpio2;
spi1 = &cp0_spi0;
spi2 = &cp0_spi1;
};
};
/*
@@ -35,3 +42,11 @@
#undef CP11X_PCIE0_BASE
#undef CP11X_PCIE1_BASE
#undef CP11X_PCIE2_BASE
&cp0_gpio1 {
status = "okay";
};
&cp0_gpio2 {
status = "okay";
};

2
arch/arm64/boot/dts/nvidia/tegra186.dtsi
View File

@@ -985,7 +985,7 @@
ccplex@e000000 {
compatible = "nvidia,tegra186-ccplex-cluster";
reg = <0x0 0x0e000000 0x0 0x3fffff>;
reg = <0x0 0x0e000000 0x0 0x400000>;
nvidia,bpmp = <&bpmp>;
};

9
arch/arm64/boot/dts/nvidia/tegra194.dtsi
View File

@@ -782,13 +782,12 @@
reg = <0x3510000 0x10000>;
interrupts = <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&bpmp TEGRA194_CLK_HDA>,
<&bpmp TEGRA194_CLK_HDA2CODEC_2X>,
<&bpmp TEGRA194_CLK_HDA2HDMICODEC>;
clock-names = "hda", "hda2codec_2x", "hda2hdmi";
<&bpmp TEGRA194_CLK_HDA2HDMICODEC>,
<&bpmp TEGRA194_CLK_HDA2CODEC_2X>;
clock-names = "hda", "hda2hdmi", "hda2codec_2x";
resets = <&bpmp TEGRA194_RESET_HDA>,
<&bpmp TEGRA194_RESET_HDA2CODEC_2X>,
<&bpmp TEGRA194_RESET_HDA2HDMICODEC>;
reset-names = "hda", "hda2codec_2x", "hda2hdmi";
reset-names = "hda", "hda2hdmi";
power-domains = <&bpmp TEGRA194_POWER_DOMAIN_DISP>;
interconnects = <&mc TEGRA194_MEMORY_CLIENT_HDAR &emc>,
<&mc TEGRA194_MEMORY_CLIENT_HDAW &emc>;

2
arch/arm64/boot/dts/qcom/ipq6018.dtsi
View File

@@ -221,7 +221,7 @@
interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&tlmm 0 80>;
gpio-ranges = <&tlmm 0 0 80>;
interrupt-controller;
#interrupt-cells = <2>;

4
arch/arm64/boot/dts/qcom/msm8916.dtsi
View File

@@ -18,8 +18,8 @@
#size-cells = <2>;
aliases {
sdhc1 = &sdhc_1; /* SDC1 eMMC slot */
sdhc2 = &sdhc_2; /* SDC2 SD card slot */
mmc0 = &sdhc_1; /* SDC1 eMMC slot */
mmc1 = &sdhc_2; /* SDC2 SD card slot */
};
chosen { };

3
arch/arm64/boot/dts/qcom/msm8996.dtsi
View File

@@ -645,9 +645,6 @@
nvmem-cells = <&gpu_speed_bin>;
nvmem-cell-names = "speed_bin";
qcom,gpu-quirk-two-pass-use-wfi;
qcom,gpu-quirk-fault-detect-mask;
operating-points-v2 = <&gpu_opp_table>;
gpu_opp_table: opp-table {

27
arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
View File

@@ -365,6 +365,10 @@
dai@1 {
reg = <1>;
};
dai@2 {
reg = <2>;
};
};
&sound {
@@ -377,6 +381,7 @@
"SpkrLeft IN", "SPK1 OUT",
"SpkrRight IN", "SPK2 OUT",
"MM_DL1", "MultiMedia1 Playback",
"MM_DL3", "MultiMedia3 Playback",
"MultiMedia2 Capture", "MM_UL2";
mm1-dai-link {
@@ -393,6 +398,13 @@
};
};
mm3-dai-link {
link-name = "MultiMedia3";
cpu {
sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA3>;
};
};
slim-dai-link {
link-name = "SLIM Playback";
cpu {
@@ -422,6 +434,21 @@
sound-dai = <&wcd9340 1>;
};
};
slim-wcd-dai-link {
link-name = "SLIM WCD Playback";
cpu {
sound-dai = <&q6afedai SLIMBUS_1_RX>;
};
platform {
sound-dai = <&q6routing>;
};
codec {
sound-dai = <&wcd9340 2>;
};
};
};
&tlmm {

1
arch/arm64/boot/dts/renesas/cat875.dtsi
View File

@@ -18,6 +18,7 @@
pinctrl-names = "default";
renesas,no-ether-link;
phy-handle = <&phy0>;
phy-mode = "rgmii-id";
status = "okay";
phy0: ethernet-phy@0 {

2
arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
View File

@@ -25,7 +25,7 @@
#size-cells = <1>;
ranges = <0x00 0x00 0x00100000 0x1c000>;
serdes_ln_ctrl: serdes-ln-ctrl@4080 {
serdes_ln_ctrl: mux-controller@4080 {
compatible = "mmio-mux";
#mux-control-cells = <1>;
mux-reg-masks = <0x4080 0x3>, <0x4084 0x3>, /* SERDES0 lane0/1 select */

6
arch/arm64/boot/dts/ti/k3-j7200.dtsi
View File

@@ -60,7 +60,7 @@
i-cache-sets = <256>;
d-cache-size = <0x8000>;
d-cache-line-size = <64>;
d-cache-sets = <128>;
d-cache-sets = <256>;
next-level-cache = <&L2_0>;
};
@@ -74,7 +74,7 @@
i-cache-sets = <256>;
d-cache-size = <0x8000>;
d-cache-line-size = <64>;
d-cache-sets = <128>;
d-cache-sets = <256>;
next-level-cache = <&L2_0>;
};
};
@@ -84,7 +84,7 @@
cache-level = <2>;
cache-size = <0x100000>;
cache-line-size = <64>;
cache-sets = <2048>;
cache-sets = <1024>;
next-level-cache = <&msmc_l3>;
};

6
arch/arm64/boot/dts/ti/k3-j721e.dtsi
View File

@@ -61,7 +61,7 @@
i-cache-sets = <256>;
d-cache-size = <0x8000>;
d-cache-line-size = <64>;
d-cache-sets = <128>;
d-cache-sets = <256>;
next-level-cache = <&L2_0>;
};
@@ -75,7 +75,7 @@
i-cache-sets = <256>;
d-cache-size = <0x8000>;
d-cache-line-size = <64>;
d-cache-sets = <128>;
d-cache-sets = <256>;
next-level-cache = <&L2_0>;
};
};
@@ -85,7 +85,7 @@
cache-level = <2>;
cache-size = <0x100000>;
cache-line-size = <64>;
cache-sets = <2048>;
cache-sets = <1024>;
next-level-cache = <&msmc_l3>;
};

10
arch/arm64/lib/clear_page.S
View File

@@ -16,6 +16,7 @@
*/
SYM_FUNC_START_PI(clear_page)
mrs x1, dczid_el0
tbnz x1, #4, 2f /* Branch if DC ZVA is prohibited */
and w1, w1, #0xf
mov x2, #4
lsl x1, x2, x1
@@ -25,5 +26,14 @@ SYM_FUNC_START_PI(clear_page)
tst x0, #(PAGE_SIZE - 1)
b.ne 1b
ret
2: stnp xzr, xzr, [x0]
stnp xzr, xzr, [x0, #16]
stnp xzr, xzr, [x0, #32]
stnp xzr, xzr, [x0, #48]
add x0, x0, #64
tst x0, #(PAGE_SIZE - 1)
b.ne 2b
ret
SYM_FUNC_END_PI(clear_page)
EXPORT_SYMBOL(clear_page)

6
arch/mips/Kconfig
View File

@@ -1985,6 +1985,10 @@ config SYS_HAS_CPU_MIPS64_R1
config SYS_HAS_CPU_MIPS64_R2
bool
config SYS_HAS_CPU_MIPS64_R5
bool
select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
config SYS_HAS_CPU_MIPS64_R6
bool
select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
@@ -2146,7 +2150,7 @@ config CPU_SUPPORTS_ADDRWINCFG
bool
config CPU_SUPPORTS_HUGEPAGES
bool
depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
config MIPS_PGD_C0_CONTEXT
bool
default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP

6
arch/mips/bcm63xx/clk.c
View File

@@ -387,6 +387,12 @@ struct clk *clk_get_parent(struct clk *clk)
}
EXPORT_SYMBOL(clk_get_parent);
int clk_set_parent(struct clk *clk, struct clk *parent)
{
return 0;
}
EXPORT_SYMBOL(clk_set_parent);
unsigned long clk_get_rate(struct clk *clk)
{
if (!clk)

2
arch/mips/cavium-octeon/octeon-platform.c
View File

@@ -328,6 +328,7 @@ static int __init octeon_ehci_device_init(void)
pd->dev.platform_data = &octeon_ehci_pdata;
octeon_ehci_hw_start(&pd->dev);
put_device(&pd->dev);
return ret;
}
@@ -391,6 +392,7 @@ static int __init octeon_ohci_device_init(void)
pd->dev.platform_data = &octeon_ohci_pdata;
octeon_ohci_hw_start(&pd->dev);
put_device(&pd->dev);
return ret;
}

1
arch/mips/cavium-octeon/octeon-usb.c
View File

@@ -544,6 +544,7 @@ static int __init dwc3_octeon_device_init(void)
devm_iounmap(&pdev->dev, base);
devm_release_mem_region(&pdev->dev, res->start,
resource_size(res));
put_device(&pdev->dev);
}
} while (node != NULL);

4
arch/mips/include/asm/mach-loongson64/kernel-entry-init.h
View File

@@ -36,7 +36,7 @@
nop
/* Loongson-3A R2/R3 */
andi t0, (PRID_IMP_MASK | PRID_REV_MASK)
slti t0, (PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_0)
slti t0, t0, (PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_0)
bnez t0, 2f
nop
1:
@@ -71,7 +71,7 @@
nop
/* Loongson-3A R2/R3 */
andi t0, (PRID_IMP_MASK | PRID_REV_MASK)
slti t0, (PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_0)
slti t0, t0, (PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_0)
bnez t0, 2f
nop
1:

4
arch/mips/include/asm/octeon/cvmx-bootinfo.h
View File

@@ -317,7 +317,7 @@ enum cvmx_chip_types_enum {
/* Functions to return string based on type */
#define ENUM_BRD_TYPE_CASE(x) \
case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */
case x: return (&#x[16]); /* Skip CVMX_BOARD_TYPE_ */
static inline const char *cvmx_board_type_to_string(enum
cvmx_board_types_enum type)
{
@@ -408,7 +408,7 @@ static inline const char *cvmx_board_type_to_string(enum
}
#define ENUM_CHIP_TYPE_CASE(x) \
case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */
case x: return (&#x[15]); /* Skip CVMX_CHIP_TYPE */
static inline const char *cvmx_chip_type_to_string(enum
cvmx_chip_types_enum type)
{

6
arch/mips/lantiq/clk.c
View File

@@ -164,6 +164,12 @@ struct clk *clk_get_parent(struct clk *clk)
}
EXPORT_SYMBOL(clk_get_parent);
int clk_set_parent(struct clk *clk, struct clk *parent)
{
return 0;
}
EXPORT_SYMBOL(clk_set_parent);
static inline u32 get_counter_resolution(void)
{
u32 res;

2
arch/openrisc/include/asm/syscalls.h
View File

@@ -22,9 +22,11 @@ asmlinkage long sys_or1k_atomic(unsigned long type, unsigned long *v1,
asmlinkage long __sys_clone(unsigned long clone_flags, unsigned long newsp,
void __user *parent_tid, void __user *child_tid, int tls);
asmlinkage long __sys_clone3(struct clone_args __user *uargs, size_t size);
asmlinkage long __sys_fork(void);
#define sys_clone __sys_clone
#define sys_clone3 __sys_clone3
#define sys_fork __sys_fork
#endif /* __ASM_OPENRISC_SYSCALLS_H */

5
arch/openrisc/kernel/entry.S
View File

@@ -1170,6 +1170,11 @@ ENTRY(__sys_clone)
l.j _fork_save_extra_regs_and_call
l.nop
ENTRY(__sys_clone3)
l.movhi r29,hi(sys_clone3)
l.j _fork_save_extra_regs_and_call
l.ori r29,r29,lo(sys_clone3)
ENTRY(__sys_fork)
l.movhi r29,hi(sys_fork)
l.ori r29,r29,lo(sys_fork)

16
arch/parisc/include/asm/special_insns.h
View File

@@ -5,9 +5,11 @@
#define lpa(va) ({ \
unsigned long pa; \
__asm__ __volatile__( \
"copy %%r0,%0\n\t" \
"lpa %%r0(%1),%0" \
: "=r" (pa) \
"copy %%r0,%0\n" \
"8:\tlpa %%r0(%1),%0\n" \
"9:\n" \
ASM_EXCEPTIONTABLE_ENTRY(8b, 9b) \
: "=&r" (pa) \
: "r" (va) \
: "memory" \
); \
@@ -17,9 +19,11 @@
#define lpa_user(va) ({ \
unsigned long pa; \
__asm__ __volatile__( \
"copy %%r0,%0\n\t" \
"lpa %%r0(%%sr3,%1),%0" \
: "=r" (pa) \
"copy %%r0,%0\n" \
"8:\tlpa %%r0(%%sr3,%1),%0\n" \
"9:\n" \
ASM_EXCEPTIONTABLE_ENTRY(8b, 9b) \
: "=&r" (pa) \
: "r" (va) \
: "memory" \
); \

2
arch/parisc/kernel/traps.c
View File

@@ -784,7 +784,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
* unless pagefault_disable() was called before.
*/
if (fault_space == 0 && !faulthandler_disabled())
if (faulthandler_disabled() || fault_space == 0)
{
/* Clean up and return if in exception table. */
if (fixup_exception(regs))

2
arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi
View File

@@ -79,6 +79,7 @@ fman0: fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xfc000 0x1000>;
fsl,erratum-a009885;
};
xmdio0: mdio@fd000 {
@@ -86,6 +87,7 @@ fman0: fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xfd000 0x1000>;
fsl,erratum-a009885;
};
};

12
arch/powerpc/include/asm/cpu_setup_power.h Normal file
View File

@@ -0,0 +1,12 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2020 IBM Corporation
*/
void __setup_cpu_power7(unsigned long offset, struct cpu_spec *spec);
void __restore_cpu_power7(void);
void __setup_cpu_power8(unsigned long offset, struct cpu_spec *spec);
void __restore_cpu_power8(void);
void __setup_cpu_power9(unsigned long offset, struct cpu_spec *spec);
void __restore_cpu_power9(void);
void __setup_cpu_power10(unsigned long offset, struct cpu_spec *spec);
void __restore_cpu_power10(void);

51
arch/powerpc/include/asm/hw_irq.h
View File

@@ -38,6 +38,8 @@
#define PACA_IRQ_MUST_HARD_MASK (PACA_IRQ_EE)
#endif
#endif /* CONFIG_PPC64 */
/*
* flags for paca->irq_soft_mask
*/
@@ -46,8 +48,6 @@
#define IRQS_PMI_DISABLED 2
#define IRQS_ALL_DISABLED (IRQS_DISABLED | IRQS_PMI_DISABLED)
#endif /* CONFIG_PPC64 */
#ifndef __ASSEMBLY__
extern void replay_system_reset(void);
@@ -175,6 +175,42 @@ static inline bool arch_irqs_disabled(void)
return arch_irqs_disabled_flags(arch_local_save_flags());
}
static inline void set_pmi_irq_pending(void)
{
/*
* Invoked from PMU callback functions to set PMI bit in the paca.
* This has to be called with irq's disabled (via hard_irq_disable()).
*/
if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG))
WARN_ON_ONCE(mfmsr() & MSR_EE);
get_paca()->irq_happened |= PACA_IRQ_PMI;
}
static inline void clear_pmi_irq_pending(void)
{
/*
* Invoked from PMU callback functions to clear the pending PMI bit
* in the paca.
*/
if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG))
WARN_ON_ONCE(mfmsr() & MSR_EE);
get_paca()->irq_happened &= ~PACA_IRQ_PMI;
}
static inline bool pmi_irq_pending(void)
{
/*
* Invoked from PMU callback functions to check if there is a pending
* PMI bit in the paca.
*/
if (get_paca()->irq_happened & PACA_IRQ_PMI)
return true;
return false;
}
#ifdef CONFIG_PPC_BOOK3S
/*
* To support disabling and enabling of irq with PMI, set of
@@ -296,6 +332,10 @@ extern void irq_set_pending_from_srr1(unsigned long srr1);
extern void force_external_irq_replay(void);
static inline void irq_soft_mask_regs_set_state(struct pt_regs *regs, unsigned long val)
{
regs->softe = val;
}
#else /* CONFIG_PPC64 */
static inline unsigned long arch_local_save_flags(void)
@@ -364,6 +404,13 @@ static inline bool arch_irq_disabled_regs(struct pt_regs *regs)
static inline void may_hard_irq_enable(void) { }
static inline void clear_pmi_irq_pending(void) { }
static inline void set_pmi_irq_pending(void) { }
static inline bool pmi_irq_pending(void) { return false; }
static inline void irq_soft_mask_regs_set_state(struct pt_regs *regs, unsigned long val)
{
}
#endif /* CONFIG_PPC64 */
#define ARCH_IRQ_INIT_FLAGS IRQ_NOREQUEST

1
arch/powerpc/include/asm/reg.h
View File

@@ -865,6 +865,7 @@
#define MMCR0_BHRBA 0x00200000UL /* BHRB Access allowed in userspace */
#define MMCR0_EBE 0x00100000UL /* Event based branch enable */
#define MMCR0_PMCC 0x000c0000UL /* PMC control */
#define MMCR0_PMCCEXT ASM_CONST(0x00000200) /* PMCCEXT control */
#define MMCR0_PMCC_U6 0x00080000UL /* PMC1-6 are R/W by user (PR) */
#define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/
#define MMCR0_PMCjCE ASM_CONST(0x00004000) /* PMCj count enable*/

4
arch/powerpc/kernel/btext.c
View File

@@ -241,9 +241,11 @@ int __init btext_find_display(int allow_nonstdout)
rc = btext_initialize(np);
printk("result: %d\n", rc);
}
if (rc == 0)
if (rc == 0) {
of_node_put(np);
break;
}
}
return rc;
}

252
arch/powerpc/kernel/cpu_setup_power.S
View File

@@ -1,252 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* This file contains low level CPU setup functions.
* Copyright (C) 2003 Benjamin Herrenschmidt (benh@kernel.crashing.org)
*/
#include <asm/processor.h>
#include <asm/page.h>
#include <asm/cputable.h>
#include <asm/ppc_asm.h>
#include <asm/asm-offsets.h>
#include <asm/cache.h>
#include <asm/book3s/64/mmu-hash.h>
/* Entry: r3 = crap, r4 = ptr to cputable entry
*
* Note that we can be called twice for pseudo-PVRs
*/
_GLOBAL(__setup_cpu_power7)
mflr r11
bl __init_hvmode_206
mtlr r11
beqlr
li r0,0
mtspr SPRN_LPID,r0
LOAD_REG_IMMEDIATE(r0, PCR_MASK)
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
li r4,(LPCR_LPES1 >> LPCR_LPES_SH)
bl __init_LPCR_ISA206
mtlr r11
blr
_GLOBAL(__restore_cpu_power7)
mflr r11
mfmsr r3
rldicl. r0,r3,4,63
beqlr
li r0,0
mtspr SPRN_LPID,r0
LOAD_REG_IMMEDIATE(r0, PCR_MASK)
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
li r4,(LPCR_LPES1 >> LPCR_LPES_SH)
bl __init_LPCR_ISA206
mtlr r11
blr
_GLOBAL(__setup_cpu_power8)
mflr r11
bl __init_FSCR
bl __init_PMU
bl __init_PMU_ISA207
bl __init_hvmode_206
mtlr r11
beqlr
li r0,0
mtspr SPRN_LPID,r0
LOAD_REG_IMMEDIATE(r0, PCR_MASK)
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
ori r3, r3, LPCR_PECEDH
li r4,0 /* LPES = 0 */
bl __init_LPCR_ISA206
bl __init_HFSCR
bl __init_PMU_HV
bl __init_PMU_HV_ISA207
mtlr r11
blr
_GLOBAL(__restore_cpu_power8)
mflr r11
bl __init_FSCR
bl __init_PMU
bl __init_PMU_ISA207
mfmsr r3
rldicl. r0,r3,4,63
mtlr r11
beqlr
li r0,0
mtspr SPRN_LPID,r0
LOAD_REG_IMMEDIATE(r0, PCR_MASK)
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
ori r3, r3, LPCR_PECEDH
li r4,0 /* LPES = 0 */
bl __init_LPCR_ISA206
bl __init_HFSCR
bl __init_PMU_HV
bl __init_PMU_HV_ISA207
mtlr r11
blr
_GLOBAL(__setup_cpu_power10)
mflr r11
bl __init_FSCR_power10
bl __init_PMU
bl __init_PMU_ISA31
b 1f
_GLOBAL(__setup_cpu_power9)
mflr r11
bl __init_FSCR_power9
bl __init_PMU
1: bl __init_hvmode_206
mtlr r11
beqlr
li r0,0
mtspr SPRN_PSSCR,r0
mtspr SPRN_LPID,r0
mtspr SPRN_PID,r0
LOAD_REG_IMMEDIATE(r0, PCR_MASK)
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
LOAD_REG_IMMEDIATE(r4, LPCR_PECEDH | LPCR_PECE_HVEE | LPCR_HVICE | LPCR_HEIC)
or r3, r3, r4
LOAD_REG_IMMEDIATE(r4, LPCR_UPRT | LPCR_HR)
andc r3, r3, r4
li r4,0 /* LPES = 0 */
bl __init_LPCR_ISA300
bl __init_HFSCR
bl __init_PMU_HV
mtlr r11
blr
_GLOBAL(__restore_cpu_power10)
mflr r11
bl __init_FSCR_power10
bl __init_PMU
bl __init_PMU_ISA31
b 1f
_GLOBAL(__restore_cpu_power9)
mflr r11
bl __init_FSCR_power9
bl __init_PMU
1: mfmsr r3
rldicl. r0,r3,4,63
mtlr r11
beqlr
li r0,0
mtspr SPRN_PSSCR,r0
mtspr SPRN_LPID,r0
mtspr SPRN_PID,r0
LOAD_REG_IMMEDIATE(r0, PCR_MASK)
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
LOAD_REG_IMMEDIATE(r4, LPCR_PECEDH | LPCR_PECE_HVEE | LPCR_HVICE | LPCR_HEIC)
or r3, r3, r4
LOAD_REG_IMMEDIATE(r4, LPCR_UPRT | LPCR_HR)
andc r3, r3, r4
li r4,0 /* LPES = 0 */
bl __init_LPCR_ISA300
bl __init_HFSCR
bl __init_PMU_HV
mtlr r11
blr
__init_hvmode_206:
/* Disable CPU_FTR_HVMODE and exit if MSR:HV is not set */
mfmsr r3
rldicl. r0,r3,4,63
bnelr
ld r5,CPU_SPEC_FEATURES(r4)
LOAD_REG_IMMEDIATE(r6,CPU_FTR_HVMODE | CPU_FTR_P9_TM_HV_ASSIST)
andc r5,r5,r6
std r5,CPU_SPEC_FEATURES(r4)
blr
__init_LPCR_ISA206:
/* Setup a sane LPCR:
* Called with initial LPCR in R3 and desired LPES 2-bit value in R4
*
* LPES = 0b01 (HSRR0/1 used for 0x500)
* PECE = 0b111
* DPFD = 4
* HDICE = 0
* VC = 0b100 (VPM0=1, VPM1=0, ISL=0)
* VRMASD = 0b10000 (L=1, LP=00)
*
* Other bits untouched for now
*/
li r5,0x10
rldimi r3,r5, LPCR_VRMASD_SH, 64-LPCR_VRMASD_SH-5
/* POWER9 has no VRMASD */
__init_LPCR_ISA300:
rldimi r3,r4, LPCR_LPES_SH, 64-LPCR_LPES_SH-2
ori r3,r3,(LPCR_PECE0|LPCR_PECE1|LPCR_PECE2)
li r5,4
rldimi r3,r5, LPCR_DPFD_SH, 64-LPCR_DPFD_SH-3
clrrdi r3,r3,1 /* clear HDICE */
li r5,4
rldimi r3,r5, LPCR_VC_SH, 0
mtspr SPRN_LPCR,r3
isync
blr
__init_FSCR_power10:
mfspr r3, SPRN_FSCR
ori r3, r3, FSCR_PREFIX
mtspr SPRN_FSCR, r3
// fall through
__init_FSCR_power9:
mfspr r3, SPRN_FSCR
ori r3, r3, FSCR_SCV
mtspr SPRN_FSCR, r3
// fall through
__init_FSCR:
mfspr r3,SPRN_FSCR
ori r3,r3,FSCR_TAR|FSCR_EBB
mtspr SPRN_FSCR,r3
blr
__init_HFSCR:
mfspr r3,SPRN_HFSCR
ori r3,r3,HFSCR_TAR|HFSCR_TM|HFSCR_BHRB|HFSCR_PM|\
HFSCR_DSCR|HFSCR_VECVSX|HFSCR_FP|HFSCR_EBB|HFSCR_MSGP
mtspr SPRN_HFSCR,r3
blr
__init_PMU_HV:
li r5,0
mtspr SPRN_MMCRC,r5
blr
__init_PMU_HV_ISA207:
li r5,0
mtspr SPRN_MMCRH,r5
blr
__init_PMU:
li r5,0
mtspr SPRN_MMCRA,r5
mtspr SPRN_MMCR0,r5
mtspr SPRN_MMCR1,r5
mtspr SPRN_MMCR2,r5
blr
__init_PMU_ISA207:
li r5,0
mtspr SPRN_MMCRS,r5
blr
__init_PMU_ISA31:
li r5,0
mtspr SPRN_MMCR3,r5
LOAD_REG_IMMEDIATE(r5, MMCRA_BHRB_DISABLE)
mtspr SPRN_MMCRA,r5
blr

272
arch/powerpc/kernel/cpu_setup_power.c Normal file
View File

@@ -0,0 +1,272 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2020, Jordan Niethe, IBM Corporation.
*
* This file contains low level CPU setup functions.
* Originally written in assembly by Benjamin Herrenschmidt & various other
* authors.
*/
#include <asm/reg.h>
#include <asm/synch.h>
#include <linux/bitops.h>
#include <asm/cputable.h>
#include <asm/cpu_setup_power.h>
/* Disable CPU_FTR_HVMODE and return false if MSR:HV is not set */
static bool init_hvmode_206(struct cpu_spec *t)
{
u64 msr;
msr = mfmsr();
if (msr & MSR_HV)
return true;
t->cpu_features &= ~(CPU_FTR_HVMODE | CPU_FTR_P9_TM_HV_ASSIST);
return false;
}
static void init_LPCR_ISA300(u64 lpcr, u64 lpes)
{
/* POWER9 has no VRMASD */
lpcr |= (lpes << LPCR_LPES_SH) & LPCR_LPES;
lpcr |= LPCR_PECE0|LPCR_PECE1|LPCR_PECE2;
lpcr |= (4ull << LPCR_DPFD_SH) & LPCR_DPFD;
lpcr &= ~LPCR_HDICE; /* clear HDICE */
lpcr |= (4ull << LPCR_VC_SH);
mtspr(SPRN_LPCR, lpcr);
isync();
}
/*
* Setup a sane LPCR:
* Called with initial LPCR and desired LPES 2-bit value
*
* LPES = 0b01 (HSRR0/1 used for 0x500)
* PECE = 0b111
* DPFD = 4
* HDICE = 0
* VC = 0b100 (VPM0=1, VPM1=0, ISL=0)
* VRMASD = 0b10000 (L=1, LP=00)
*
* Other bits untouched for now
*/
static void init_LPCR_ISA206(u64 lpcr, u64 lpes)
{
lpcr |= (0x10ull << LPCR_VRMASD_SH) & LPCR_VRMASD;
init_LPCR_ISA300(lpcr, lpes);
}
static void init_FSCR(void)
{
u64 fscr;
fscr = mfspr(SPRN_FSCR);
fscr |= FSCR_TAR|FSCR_EBB;
mtspr(SPRN_FSCR, fscr);
}
static void init_FSCR_power9(void)
{
u64 fscr;
fscr = mfspr(SPRN_FSCR);
fscr |= FSCR_SCV;
mtspr(SPRN_FSCR, fscr);
init_FSCR();
}
static void init_FSCR_power10(void)
{
u64 fscr;
fscr = mfspr(SPRN_FSCR);
fscr |= FSCR_PREFIX;
mtspr(SPRN_FSCR, fscr);
init_FSCR_power9();
}
static void init_HFSCR(void)
{
u64 hfscr;
hfscr = mfspr(SPRN_HFSCR);
hfscr |= HFSCR_TAR|HFSCR_TM|HFSCR_BHRB|HFSCR_PM|HFSCR_DSCR|\
HFSCR_VECVSX|HFSCR_FP|HFSCR_EBB|HFSCR_MSGP;
mtspr(SPRN_HFSCR, hfscr);
}
static void init_PMU_HV(void)
{
mtspr(SPRN_MMCRC, 0);
}
static void init_PMU_HV_ISA207(void)
{
mtspr(SPRN_MMCRH, 0);
}
static void init_PMU(void)
{
mtspr(SPRN_MMCRA, 0);
mtspr(SPRN_MMCR0, 0);
mtspr(SPRN_MMCR1, 0);
mtspr(SPRN_MMCR2, 0);
}
static void init_PMU_ISA207(void)
{
mtspr(SPRN_MMCRS, 0);
}
static void init_PMU_ISA31(void)
{
mtspr(SPRN_MMCR3, 0);
mtspr(SPRN_MMCRA, MMCRA_BHRB_DISABLE);
mtspr(SPRN_MMCR0, MMCR0_PMCCEXT);
}
/*
* Note that we can be called twice of pseudo-PVRs.
* The parameter offset is not used.
*/
void __setup_cpu_power7(unsigned long offset, struct cpu_spec *t)
{
if (!init_hvmode_206(t))
return;
mtspr(SPRN_LPID, 0);
mtspr(SPRN_PCR, PCR_MASK);
init_LPCR_ISA206(mfspr(SPRN_LPCR), LPCR_LPES1 >> LPCR_LPES_SH);
}
void __restore_cpu_power7(void)
{
u64 msr;
msr = mfmsr();
if (!(msr & MSR_HV))
return;
mtspr(SPRN_LPID, 0);
mtspr(SPRN_PCR, PCR_MASK);
init_LPCR_ISA206(mfspr(SPRN_LPCR), LPCR_LPES1 >> LPCR_LPES_SH);
}
void __setup_cpu_power8(unsigned long offset, struct cpu_spec *t)
{
init_FSCR();
init_PMU();
init_PMU_ISA207();
if (!init_hvmode_206(t))
return;
mtspr(SPRN_LPID, 0);
mtspr(SPRN_PCR, PCR_MASK);
init_LPCR_ISA206(mfspr(SPRN_LPCR) | LPCR_PECEDH, 0); /* LPES = 0 */
init_HFSCR();
init_PMU_HV();
init_PMU_HV_ISA207();
}
void __restore_cpu_power8(void)
{
u64 msr;
init_FSCR();
init_PMU();
init_PMU_ISA207();
msr = mfmsr();
if (!(msr & MSR_HV))
return;
mtspr(SPRN_LPID, 0);
mtspr(SPRN_PCR, PCR_MASK);
init_LPCR_ISA206(mfspr(SPRN_LPCR) | LPCR_PECEDH, 0); /* LPES = 0 */
init_HFSCR();
init_PMU_HV();
init_PMU_HV_ISA207();
}
void __setup_cpu_power9(unsigned long offset, struct cpu_spec *t)
{
init_FSCR_power9();
init_PMU();
if (!init_hvmode_206(t))
return;
mtspr(SPRN_PSSCR, 0);
mtspr(SPRN_LPID, 0);
mtspr(SPRN_PID, 0);
mtspr(SPRN_PCR, PCR_MASK);
init_LPCR_ISA300((mfspr(SPRN_LPCR) | LPCR_PECEDH | LPCR_PECE_HVEE |\
LPCR_HVICE | LPCR_HEIC) & ~(LPCR_UPRT | LPCR_HR), 0);
init_HFSCR();
init_PMU_HV();
}
void __restore_cpu_power9(void)
{
u64 msr;
init_FSCR_power9();
init_PMU();
msr = mfmsr();
if (!(msr & MSR_HV))
return;
mtspr(SPRN_PSSCR, 0);
mtspr(SPRN_LPID, 0);
mtspr(SPRN_PID, 0);
mtspr(SPRN_PCR, PCR_MASK);
init_LPCR_ISA300((mfspr(SPRN_LPCR) | LPCR_PECEDH | LPCR_PECE_HVEE |\
LPCR_HVICE | LPCR_HEIC) & ~(LPCR_UPRT | LPCR_HR), 0);
init_HFSCR();
init_PMU_HV();
}
void __setup_cpu_power10(unsigned long offset, struct cpu_spec *t)
{
init_FSCR_power10();
init_PMU();
init_PMU_ISA31();
if (!init_hvmode_206(t))
return;
mtspr(SPRN_PSSCR, 0);
mtspr(SPRN_LPID, 0);
mtspr(SPRN_PID, 0);
mtspr(SPRN_PCR, PCR_MASK);
init_LPCR_ISA300((mfspr(SPRN_LPCR) | LPCR_PECEDH | LPCR_PECE_HVEE |\
LPCR_HVICE | LPCR_HEIC) & ~(LPCR_UPRT | LPCR_HR), 0);
init_HFSCR();
init_PMU_HV();
}
void __restore_cpu_power10(void)
{
u64 msr;
init_FSCR_power10();
init_PMU();
init_PMU_ISA31();
msr = mfmsr();
if (!(msr & MSR_HV))
return;
mtspr(SPRN_PSSCR, 0);
mtspr(SPRN_LPID, 0);
mtspr(SPRN_PID, 0);
mtspr(SPRN_PCR, PCR_MASK);
init_LPCR_ISA300((mfspr(SPRN_LPCR) | LPCR_PECEDH | LPCR_PECE_HVEE |\
LPCR_HVICE | LPCR_HEIC) & ~(LPCR_UPRT | LPCR_HR), 0);
init_HFSCR();
init_PMU_HV();
}

12
arch/powerpc/kernel/cputable.c
View File

@@ -60,19 +60,15 @@ extern void __setup_cpu_7410(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_745x(unsigned long offset, struct cpu_spec* spec);
#endif /* CONFIG_PPC32 */
#ifdef CONFIG_PPC64
#include <asm/cpu_setup_power.h>
extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_ppc970MP(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_pa6t(unsigned long offset, struct cpu_spec* spec);
extern void __restore_cpu_pa6t(void);
extern void __restore_cpu_ppc970(void);
extern void __setup_cpu_power7(unsigned long offset, struct cpu_spec* spec);
extern void __restore_cpu_power7(void);
extern void __setup_cpu_power8(unsigned long offset, struct cpu_spec* spec);
extern void __restore_cpu_power8(void);
extern void __setup_cpu_power9(unsigned long offset, struct cpu_spec* spec);
extern void __restore_cpu_power9(void);
extern void __setup_cpu_power10(unsigned long offset, struct cpu_spec* spec);
extern void __restore_cpu_power10(void);
extern long __machine_check_early_realmode_p7(struct pt_regs *regs);
extern long __machine_check_early_realmode_p8(struct pt_regs *regs);
extern long __machine_check_early_realmode_p9(struct pt_regs *regs);
#endif /* CONFIG_PPC64 */
#if defined(CONFIG_E500)
extern void __setup_cpu_e5500(unsigned long offset, struct cpu_spec* spec);

1
arch/powerpc/kernel/dt_cpu_ftrs.c
View File

@@ -454,6 +454,7 @@ static void init_pmu_power10(void)
mtspr(SPRN_MMCR3, 0);
mtspr(SPRN_MMCRA, MMCRA_BHRB_DISABLE);
mtspr(SPRN_MMCR0, MMCR0_PMCCEXT);
}
static int __init feat_enable_pmu_power10(struct dt_cpu_feature *f)

8
arch/powerpc/kernel/fadump.c
View File

@@ -1641,6 +1641,14 @@ int __init setup_fadump(void)
else if (fw_dump.reserve_dump_area_size)
fw_dump.ops->fadump_init_mem_struct(&fw_dump);
/*
* In case of panic, fadump is triggered via ppc_panic_event()
* panic notifier. Setting crash_kexec_post_notifiers to 'true'
* lets panic() function take crash friendly path before panic
* notifiers are invoked.
*/
crash_kexec_post_notifiers = true;
return 1;
}
subsys_initcall(setup_fadump);

9
arch/powerpc/kernel/head_40x.S
View File

@@ -27,6 +27,7 @@
#include <linux/init.h>
#include <linux/pgtable.h>
#include <linux/sizes.h>
#include <asm/processor.h>
#include <asm/page.h>
#include <asm/mmu.h>
@@ -626,7 +627,7 @@ start_here:
b . /* prevent prefetch past rfi */
/* Set up the initial MMU state so we can do the first level of
* kernel initialization. This maps the first 16 MBytes of memory 1:1
* kernel initialization. This maps the first 32 MBytes of memory 1:1
* virtual to physical and more importantly sets the cache mode.
*/
initial_mmu:
@@ -663,6 +664,12 @@ initial_mmu:
tlbwe r4,r0,TLB_DATA /* Load the data portion of the entry */
tlbwe r3,r0,TLB_TAG /* Load the tag portion of the entry */
li r0,62 /* TLB slot 62 */
addis r4,r4,SZ_16M@h
addis r3,r3,SZ_16M@h
tlbwe r4,r0,TLB_DATA /* Load the data portion of the entry */
tlbwe r3,r0,TLB_TAG /* Load the tag portion of the entry */
isync
/* Establish the exception vector base

2
arch/powerpc/kernel/prom_init.c
View File

@@ -2956,7 +2956,7 @@ static void __init fixup_device_tree_efika_add_phy(void)
/* Check if the phy-handle property exists - bail if it does */
rv = prom_getprop(node, "phy-handle", prop, sizeof(prop));
if (!rv)
if (rv <= 0)
return;
/*

42
arch/powerpc/kernel/smp.c
View File

@@ -60,6 +60,7 @@
#include <asm/cpu_has_feature.h>
#include <asm/ftrace.h>
#include <asm/kup.h>
#include <asm/fadump.h>
#ifdef DEBUG
#include <asm/udbg.h>
@@ -594,6 +595,45 @@ void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *))
}
#endif
#ifdef CONFIG_NMI_IPI
static void crash_stop_this_cpu(struct pt_regs *regs)
#else
static void crash_stop_this_cpu(void *dummy)
#endif
{
/*
* Just busy wait here and avoid marking CPU as offline to ensure
* register data is captured appropriately.
*/
while (1)
cpu_relax();
}
void crash_smp_send_stop(void)
{
static bool stopped = false;
/*
* In case of fadump, register data for all CPUs is captured by f/w
* on ibm,os-term rtas call. Skip IPI callbacks to other CPUs before
* this rtas call to avoid tricky post processing of those CPUs'
* backtraces.
*/
if (should_fadump_crash())
return;
if (stopped)
return;
stopped = true;
#ifdef CONFIG_NMI_IPI
smp_send_nmi_ipi(NMI_IPI_ALL_OTHERS, crash_stop_this_cpu, 1000000);
#else
smp_call_function(crash_stop_this_cpu, NULL, 0);
#endif /* CONFIG_NMI_IPI */
}
#ifdef CONFIG_NMI_IPI
static void nmi_stop_this_cpu(struct pt_regs *regs)
{
@@ -1488,10 +1528,12 @@ void start_secondary(void *unused)
BUG();
}
#ifdef CONFIG_PROFILING
int setup_profiling_timer(unsigned int multiplier)
{
return 0;
}
#endif
static void fixup_topology(void)
{

31
arch/powerpc/kernel/traps.c
View File

@@ -1922,11 +1922,40 @@ void vsx_unavailable_tm(struct pt_regs *regs)
}
#endif /* CONFIG_PPC_TRANSACTIONAL_MEM */
void performance_monitor_exception(struct pt_regs *regs)
static void performance_monitor_exception_nmi(struct pt_regs *regs)
{
nmi_enter();
__this_cpu_inc(irq_stat.pmu_irqs);
perf_irq(regs);
nmi_exit();
}
static void performance_monitor_exception_async(struct pt_regs *regs)
{
irq_enter();
__this_cpu_inc(irq_stat.pmu_irqs);
perf_irq(regs);
irq_exit();
}
void performance_monitor_exception(struct pt_regs *regs)
{
/*
* On 64-bit, if perf interrupts hit in a local_irq_disable
* (soft-masked) region, we consider them as NMIs. This is required to
* prevent hash faults on user addresses when reading callchains (and
* looks better from an irq tracing perspective).
*/
if (IS_ENABLED(CONFIG_PPC64) && unlikely(arch_irq_disabled_regs(regs)))
performance_monitor_exception_nmi(regs);
else
performance_monitor_exception_async(regs);
}
#ifdef CONFIG_PPC_ADV_DEBUG_REGS

41
arch/powerpc/kernel/watchdog.c
View File

@@ -132,6 +132,10 @@ static void set_cpumask_stuck(const struct cpumask *cpumask, u64 tb)
{
cpumask_or(&wd_smp_cpus_stuck, &wd_smp_cpus_stuck, cpumask);
cpumask_andnot(&wd_smp_cpus_pending, &wd_smp_cpus_pending, cpumask);
/*
* See wd_smp_clear_cpu_pending()
*/
smp_mb();
if (cpumask_empty(&wd_smp_cpus_pending)) {
wd_smp_last_reset_tb = tb;
cpumask_andnot(&wd_smp_cpus_pending,
@@ -217,13 +221,44 @@ static void wd_smp_clear_cpu_pending(int cpu, u64 tb)
cpumask_clear_cpu(cpu, &wd_smp_cpus_stuck);
wd_smp_unlock(&flags);
} else {
/*
* The last CPU to clear pending should have reset the
* watchdog so we generally should not find it empty
* here if our CPU was clear. However it could happen
* due to a rare race with another CPU taking the
* last CPU out of the mask concurrently.
*
* We can't add a warning for it. But just in case
* there is a problem with the watchdog that is causing
* the mask to not be reset, try to kick it along here.
*/
if (unlikely(cpumask_empty(&wd_smp_cpus_pending)))
goto none_pending;
}
return;
}
cpumask_clear_cpu(cpu, &wd_smp_cpus_pending);
/*
* Order the store to clear pending with the load(s) to check all
* words in the pending mask to check they are all empty. This orders
* with the same barrier on another CPU. This prevents two CPUs
* clearing the last 2 pending bits, but neither seeing the other's
* store when checking if the mask is empty, and missing an empty
* mask, which ends with a false positive.
*/
smp_mb();
if (cpumask_empty(&wd_smp_cpus_pending)) {
unsigned long flags;
none_pending:
/*
* Double check under lock because more than one CPU could see
* a clear mask with the lockless check after clearing their
* pending bits.
*/
wd_smp_lock(&flags);
if (cpumask_empty(&wd_smp_cpus_pending)) {
wd_smp_last_reset_tb = tb;
@@ -314,8 +349,12 @@ void arch_touch_nmi_watchdog(void)
{
unsigned long ticks = tb_ticks_per_usec * wd_timer_period_ms * 1000;
int cpu = smp_processor_id();
u64 tb = get_tb();
u64 tb;
if (!cpumask_test_cpu(cpu, &watchdog_cpumask))
return;
tb = get_tb();
if (tb - per_cpu(wd_timer_tb, cpu) >= ticks) {
per_cpu(wd_timer_tb, cpu) = tb;
wd_smp_clear_cpu_pending(cpu, tb);

8
arch/powerpc/kvm/book3s_hv.c
View File

@@ -4557,8 +4557,12 @@ static int kvmppc_core_prepare_memory_region_hv(struct kvm *kvm,
unsigned long npages = mem->memory_size >> PAGE_SHIFT;
if (change == KVM_MR_CREATE) {
slot->arch.rmap = vzalloc(array_size(npages,
sizeof(*slot->arch.rmap)));
unsigned long size = array_size(npages, sizeof(*slot->arch.rmap));
if ((size >> PAGE_SHIFT) > totalram_pages())
return -ENOMEM;
slot->arch.rmap = vzalloc(size);
if (!slot->arch.rmap)
return -ENOMEM;
}

2
arch/powerpc/kvm/book3s_hv_nested.c
View File

@@ -510,7 +510,7 @@ long kvmhv_copy_tofrom_guest_nested(struct kvm_vcpu *vcpu)
if (eaddr & (0xFFFUL << 52))
return H_PARAMETER;
buf = kzalloc(n, GFP_KERNEL);
buf = kzalloc(n, GFP_KERNEL | __GFP_NOWARN);
if (!buf)
return H_NO_MEM;

4
arch/powerpc/mm/book3s64/radix_pgtable.c
View File

@@ -1152,7 +1152,7 @@ int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot)
int pud_clear_huge(pud_t *pud)
{
if (pud_huge(*pud)) {
if (pud_is_leaf(*pud)) {
pud_clear(pud);
return 1;
}
@@ -1199,7 +1199,7 @@ int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot)
int pmd_clear_huge(pmd_t *pmd)
{
if (pmd_huge(*pmd)) {
if (pmd_is_leaf(*pmd)) {
pmd_clear(pmd);
return 1;
}

3
arch/powerpc/mm/kasan/book3s_32.c
View File

@@ -19,7 +19,8 @@ int __init kasan_init_region(void *start, size_t size)
block = memblock_alloc(k_size, k_size_base);
if (block && k_size_base >= SZ_128K && k_start == ALIGN(k_start, k_size_base)) {
int k_size_more = 1 << (ffs(k_size - k_size_base) - 1);
int shift = ffs(k_size - k_size_base);
int k_size_more = shift ? 1 << (shift - 1) : 0;
setbat(-1, k_start, __pa(block), k_size_base, PAGE_KERNEL);
if (k_size_more >= SZ_128K)

8
arch/powerpc/mm/pgtable_64.c
View File

@@ -102,6 +102,7 @@ EXPORT_SYMBOL(__pte_frag_size_shift);
struct page *p4d_page(p4d_t p4d)
{
if (p4d_is_leaf(p4d)) {
if (!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP))
VM_WARN_ON(!p4d_huge(p4d));
return pte_page(p4d_pte(p4d));
}
@@ -112,6 +113,7 @@ struct page *p4d_page(p4d_t p4d)
struct page *pud_page(pud_t pud)
{
if (pud_is_leaf(pud)) {
if (!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP))
VM_WARN_ON(!pud_huge(pud));
return pte_page(pud_pte(pud));
}
@@ -125,6 +127,12 @@ struct page *pud_page(pud_t pud)
struct page *pmd_page(pmd_t pmd)
{
if (pmd_is_leaf(pmd)) {
/*
* vmalloc_to_page may be called on any vmap address (not only
* vmalloc), and it uses pmd_page() etc., when huge vmap is
* enabled so these checks can't be used.
*/
if (!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP))
VM_WARN_ON(!(pmd_large(pmd) || pmd_huge(pmd)));
return pte_page(pmd_pte(pmd));
}

97
arch/powerpc/perf/core-book3s.c
View File

@@ -95,6 +95,7 @@ static unsigned int freeze_events_kernel = MMCR0_FCS;
#define SPRN_SIER3 0
#define MMCRA_SAMPLE_ENABLE 0
#define MMCRA_BHRB_DISABLE 0
#define MMCR0_PMCCEXT 0
static inline unsigned long perf_ip_adjust(struct pt_regs *regs)
{
@@ -109,10 +110,6 @@ static inline void perf_read_regs(struct pt_regs *regs)
{
regs->result = 0;
}
static inline int perf_intr_is_nmi(struct pt_regs *regs)
{
return 0;
}
static inline int siar_valid(struct pt_regs *regs)
{
@@ -331,15 +328,6 @@ static inline void perf_read_regs(struct pt_regs *regs)
regs->result = use_siar;
}
/*
* If interrupts were soft-disabled when a PMU interrupt occurs, treat
* it as an NMI.
*/
static inline int perf_intr_is_nmi(struct pt_regs *regs)
{
return (regs->softe & IRQS_DISABLED);
}
/*
* On processors like P7+ that have the SIAR-Valid bit, marked instructions
* must be sampled only if the SIAR-valid bit is set.
@@ -817,6 +805,19 @@ static void write_pmc(int idx, unsigned long val)
}
}
static int any_pmc_overflown(struct cpu_hw_events *cpuhw)
{
int i, idx;
for (i = 0; i < cpuhw->n_events; i++) {
idx = cpuhw->event[i]->hw.idx;
if ((idx) && ((int)read_pmc(idx) < 0))
return idx;
}
return 0;
}
/* Called from sysrq_handle_showregs() */
void perf_event_print_debug(void)
{
@@ -1240,11 +1241,16 @@ static void power_pmu_disable(struct pmu *pmu)
/*
* Set the 'freeze counters' bit, clear EBE/BHRBA/PMCC/PMAO/FC56
* Also clear PMXE to disable PMI's getting triggered in some
* corner cases during PMU disable.
*/
val = mmcr0 = mfspr(SPRN_MMCR0);
val |= MMCR0_FC;
val &= ~(MMCR0_EBE | MMCR0_BHRBA | MMCR0_PMCC | MMCR0_PMAO |
MMCR0_FC56);
MMCR0_PMXE | MMCR0_FC56);
/* Set mmcr0 PMCCEXT for p10 */
if (ppmu->flags & PPMU_ARCH_31)
val |= MMCR0_PMCCEXT;
/*
* The barrier is to make sure the mtspr has been
@@ -1255,6 +1261,23 @@ static void power_pmu_disable(struct pmu *pmu)
mb();
isync();
/*
* Some corner cases could clear the PMU counter overflow
* while a masked PMI is pending. One such case is when
* a PMI happens during interrupt replay and perf counter
* values are cleared by PMU callbacks before replay.
*
* If any PMC corresponding to the active PMU events are
* overflown, disable the interrupt by clearing the paca
* bit for PMI since we are disabling the PMU now.
* Otherwise provide a warning if there is PMI pending, but
* no counter is found overflown.
*/
if (any_pmc_overflown(cpuhw))
clear_pmi_irq_pending();
else
WARN_ON(pmi_irq_pending());
val = mmcra = cpuhw->mmcr.mmcra;
/*
@@ -1346,6 +1369,15 @@ static void power_pmu_enable(struct pmu *pmu)
* (possibly updated for removal of events).
*/
if (!cpuhw->n_added) {
/*
* If there is any active event with an overflown PMC
* value, set back PACA_IRQ_PMI which would have been
* cleared in power_pmu_disable().
*/
hard_irq_disable();
if (any_pmc_overflown(cpuhw))
set_pmi_irq_pending();
mtspr(SPRN_MMCRA, cpuhw->mmcr.mmcra & ~MMCRA_SAMPLE_ENABLE);
mtspr(SPRN_MMCR1, cpuhw->mmcr.mmcr1);
if (ppmu->flags & PPMU_ARCH_31)
@@ -2250,7 +2282,6 @@ static void __perf_event_interrupt(struct pt_regs *regs)
struct perf_event *event;
unsigned long val[8];
int found, active;
int nmi;
if (cpuhw->n_limited)
freeze_limited_counters(cpuhw, mfspr(SPRN_PMC5),
@@ -2258,18 +2289,6 @@ static void __perf_event_interrupt(struct pt_regs *regs)
perf_read_regs(regs);
/*
* If perf interrupts hit in a local_irq_disable (soft-masked) region,
* we consider them as NMIs. This is required to prevent hash faults on
* user addresses when reading callchains. See the NMI test in
* do_hash_page.
*/
nmi = perf_intr_is_nmi(regs);
if (nmi)
nmi_enter();
else
irq_enter();
/* Read all the PMCs since we'll need them a bunch of times */
for (i = 0; i < ppmu->n_counter; ++i)
val[i] = read_pmc(i + 1);
@@ -2296,6 +2315,14 @@ static void __perf_event_interrupt(struct pt_regs *regs)
break;
}
}
/*
* Clear PACA_IRQ_PMI in case it was set by
* set_pmi_irq_pending() when PMU was enabled
* after accounting for interrupts.
*/
clear_pmi_irq_pending();
if (!active)
/* reset non active counters that have overflowed */
write_pmc(i + 1, 0);
@@ -2315,8 +2342,15 @@ static void __perf_event_interrupt(struct pt_regs *regs)
}
}
}
if (!found && !nmi && printk_ratelimit())
printk(KERN_WARNING "Can't find PMC that caused IRQ\n");
/*
* During system wide profling or while specific CPU is monitored for an
* event, some corner cases could cause PMC to overflow in idle path. This
* will trigger a PMI after waking up from idle. Since counter values are _not_
* saved/restored in idle path, can lead to below "Can't find PMC" message.
*/
if (unlikely(!found) && !arch_irq_disabled_regs(regs))
printk_ratelimited(KERN_WARNING "Can't find PMC that caused IRQ\n");
/*
* Reset MMCR0 to its normal value. This will set PMXE and
@@ -2326,11 +2360,6 @@ static void __perf_event_interrupt(struct pt_regs *regs)
* we get back out of this interrupt.
*/
write_mmcr0(cpuhw, cpuhw->mmcr.mmcr0);
if (nmi)
nmi_exit();
else
irq_exit();
}
static void perf_event_interrupt(struct pt_regs *regs)

25
arch/powerpc/perf/core-fsl-emb.c
View File

@@ -31,19 +31,6 @@ static atomic_t num_events;
/* Used to avoid races in calling reserve/release_pmc_hardware */
static DEFINE_MUTEX(pmc_reserve_mutex);
/*
* If interrupts were soft-disabled when a PMU interrupt occurs, treat
* it as an NMI.
*/
static inline int perf_intr_is_nmi(struct pt_regs *regs)
{
#ifdef __powerpc64__
return (regs->softe & IRQS_DISABLED);
#else
return 0;
#endif
}
static void perf_event_interrupt(struct pt_regs *regs);
/*
@@ -659,13 +646,6 @@ static void perf_event_interrupt(struct pt_regs *regs)
struct perf_event *event;
unsigned long val;
int found = 0;
int nmi;
nmi = perf_intr_is_nmi(regs);
if (nmi)
nmi_enter();
else
irq_enter();
for (i = 0; i < ppmu->n_counter; ++i) {
event = cpuhw->event[i];
@@ -690,11 +670,6 @@ static void perf_event_interrupt(struct pt_regs *regs)
mtmsr(mfmsr() | MSR_PMM);
mtpmr(PMRN_PMGC0, PMGC0_PMIE | PMGC0_FCECE);
isync();
if (nmi)
nmi_exit();
else
irq_exit();
}
void hw_perf_event_setup(int cpu)

8
arch/powerpc/perf/isa207-common.c
View File

@@ -561,6 +561,14 @@ int isa207_compute_mmcr(u64 event[], int n_ev,
if (!(pmc_inuse & 0x60))
mmcr->mmcr0 |= MMCR0_FC56;
/*
* Set mmcr0 (PMCCEXT) for p10 which
* will restrict access to group B registers
* when MMCR0 PMCC=0b00.
*/
if (cpu_has_feature(CPU_FTR_ARCH_31))
mmcr->mmcr0 |= MMCR0_PMCCEXT;
mmcr->mmcr1 = mmcr1;
mmcr->mmcra = mmcra;
mmcr->mmcr2 = mmcr2;

1
arch/powerpc/platforms/cell/iommu.c
View File

@@ -976,6 +976,7 @@ static int __init cell_iommu_fixed_mapping_init(void)
if (hbase < dbase || (hend > (dbase + dsize))) {
pr_debug("iommu: hash window doesn't fit in"
"real DMA window\n");
of_node_put(np);
return -1;
}
}

1
arch/powerpc/platforms/cell/pervasive.c
View File

@@ -77,6 +77,7 @@ static int cbe_system_reset_exception(struct pt_regs *regs)
switch (regs->msr & SRR1_WAKEMASK) {
case SRR1_WAKEDEC:
set_dec(1);
break;
case SRR1_WAKEEE:
/*
* Handle these when interrupts get re-enabled and we take

1
arch/powerpc/platforms/embedded6xx/hlwd-pic.c
View File

@@ -215,6 +215,7 @@ void hlwd_pic_probe(void)
irq_set_chained_handler(cascade_virq,
hlwd_pic_irq_cascade);
hlwd_irq_host = host;
of_node_put(np);
break;
}
}

3
arch/powerpc/platforms/powermac/low_i2c.c
View File

@@ -582,6 +582,7 @@ static void __init kw_i2c_add(struct pmac_i2c_host_kw *host,
bus->close = kw_i2c_close;
bus->xfer = kw_i2c_xfer;
mutex_init(&bus->mutex);
lockdep_register_key(&bus->lock_key);
lockdep_set_class(&bus->mutex, &bus->lock_key);
if (controller == busnode)
bus->flags = pmac_i2c_multibus;
@@ -810,6 +811,7 @@ static void __init pmu_i2c_probe(void)
bus->hostdata = bus + 1;
bus->xfer = pmu_i2c_xfer;
mutex_init(&bus->mutex);
lockdep_register_key(&bus->lock_key);
lockdep_set_class(&bus->mutex, &bus->lock_key);
bus->flags = pmac_i2c_multibus;
list_add(&bus->link, &pmac_i2c_busses);
@@ -933,6 +935,7 @@ static void __init smu_i2c_probe(void)
bus->hostdata = bus + 1;
bus->xfer = smu_i2c_xfer;
mutex_init(&bus->mutex);
lockdep_register_key(&bus->lock_key);
lockdep_set_class(&bus->mutex, &bus->lock_key);
bus->flags = 0;
list_add(&bus->link, &pmac_i2c_busses);

1
arch/powerpc/platforms/powernv/opal-lpc.c
View File

@@ -396,6 +396,7 @@ void __init opal_lpc_init(void)
if (!of_get_property(np, "primary", NULL))
continue;
opal_lpc_chip_id = of_get_ibm_chip_id(np);
of_node_put(np);
break;
}
if (opal_lpc_chip_id < 0)

3
arch/powerpc/sysdev/xive/spapr.c
View File

@@ -658,6 +658,9 @@ static int xive_spapr_debug_show(struct seq_file *m, void *private)
struct xive_irq_bitmap *xibm;
char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
list_for_each_entry(xibm, &xive_irq_bitmaps, list) {
memset(buf, 0, PAGE_SIZE);
bitmap_print_to_pagebuf(true, buf, xibm->bitmap, xibm->count);

4
arch/s390/mm/pgalloc.c
View File

@@ -253,13 +253,15 @@ void page_table_free(struct mm_struct *mm, unsigned long *table)
/* Free 2K page table fragment of a 4K page */
bit = (__pa(table) & ~PAGE_MASK)/(PTRS_PER_PTE*sizeof(pte_t));
spin_lock_bh(&mm->context.lock);
mask = atomic_xor_bits(&page->_refcount, 1U << (bit + 24));
mask = atomic_xor_bits(&page->_refcount, 0x11U << (bit + 24));
mask >>= 24;
if (mask & 3)
list_add(&page->lru, &mm->context.pgtable_list);
else
list_del(&page->lru);
spin_unlock_bh(&mm->context.lock);
mask = atomic_xor_bits(&page->_refcount, 0x10U << (bit + 24));
mask >>= 24;
if (mask != 0)
return;
} else {

4
arch/um/drivers/virtio_uml.c
View File

@@ -1076,6 +1076,8 @@ static void virtio_uml_release_dev(struct device *d)
container_of(d, struct virtio_device, dev);
struct virtio_uml_device *vu_dev = to_virtio_uml_device(vdev);
time_travel_propagate_time();
/* might not have been opened due to not negotiating the feature */
if (vu_dev->req_fd >= 0) {
um_free_irq(VIRTIO_IRQ, vu_dev);
@@ -1109,6 +1111,8 @@ static int virtio_uml_probe(struct platform_device *pdev)
vu_dev->pdev = pdev;
vu_dev->req_fd = -1;
time_travel_propagate_time();
do {
rc = os_connect_socket(pdata->socket_path);
} while (rc == -EINTR);

4
arch/um/include/asm/delay.h
View File

@@ -14,7 +14,7 @@ static inline void um_ndelay(unsigned long nsecs)
ndelay(nsecs);
}
#undef ndelay
#define ndelay um_ndelay
#define ndelay(n) um_ndelay(n)
static inline void um_udelay(unsigned long usecs)
{
@@ -26,5 +26,5 @@ static inline void um_udelay(unsigned long usecs)
udelay(usecs);
}
#undef udelay
#define udelay um_udelay
#define udelay(n) um_udelay(n)
#endif /* __UM_DELAY_H */

4
arch/um/include/shared/registers.h
View File

@@ -16,8 +16,8 @@ extern int restore_fp_registers(int pid, unsigned long *fp_regs);
extern int save_fpx_registers(int pid, unsigned long *fp_regs);
extern int restore_fpx_registers(int pid, unsigned long *fp_regs);
extern int save_registers(int pid, struct uml_pt_regs *regs);
extern int restore_registers(int pid, struct uml_pt_regs *regs);
extern int init_registers(int pid);
extern int restore_pid_registers(int pid, struct uml_pt_regs *regs);
extern int init_pid_registers(int pid);
extern void get_safe_registers(unsigned long *regs, unsigned long *fp_regs);
extern unsigned long get_thread_reg(int reg, jmp_buf *buf);
extern int get_fp_registers(int pid, unsigned long *regs);

4
arch/um/os-Linux/registers.c
View File

@@ -21,7 +21,7 @@ int save_registers(int pid, struct uml_pt_regs *regs)
return 0;
}
int restore_registers(int pid, struct uml_pt_regs *regs)
int restore_pid_registers(int pid, struct uml_pt_regs *regs)
{
int err;
@@ -36,7 +36,7 @@ int restore_registers(int pid, struct uml_pt_regs *regs)
static unsigned long exec_regs[MAX_REG_NR];
static unsigned long exec_fp_regs[FP_SIZE];
int init_registers(int pid)
int init_pid_registers(int pid)
{
int err;

2
arch/um/os-Linux/start_up.c
View File

@@ -336,7 +336,7 @@ void __init os_early_checks(void)
check_tmpexec();
pid = start_ptraced_child();
if (init_registers(pid))
if (init_pid_registers(pid))
fatal("Failed to initialize default registers");
stop_ptraced_child(pid, 1, 1);
}

7
arch/x86/boot/compressed/Makefile
View File

@@ -28,7 +28,11 @@ KCOV_INSTRUMENT := n
targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4 vmlinux.bin.zst
KBUILD_CFLAGS := -m$(BITS) -O2
# CLANG_FLAGS must come before any cc-disable-warning or cc-option calls in
# case of cross compiling, as it has the '--target=' flag, which is needed to
# avoid errors with '-march=i386', and future flags may depend on the target to
# be valid.
KBUILD_CFLAGS := -m$(BITS) -O2 $(CLANG_FLAGS)
KBUILD_CFLAGS += -fno-strict-aliasing -fPIE
KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
cflags-$(CONFIG_X86_32) := -march=i386
@@ -46,7 +50,6 @@ KBUILD_CFLAGS += -D__DISABLE_EXPORTS
# Disable relocation relaxation in case the link is not PIE.
KBUILD_CFLAGS += $(call as-option,-Wa$(comma)-mrelax-relocations=no)
KBUILD_CFLAGS += -include $(srctree)/include/linux/hidden.h
KBUILD_CFLAGS += $(CLANG_FLAGS)
# sev-es.c indirectly inludes inat-table.h which is generated during
# compilation and stored in $(objtree). Add the directory to the includes so

1
arch/x86/configs/i386_defconfig
View File

@@ -264,3 +264,4 @@ CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
CONFIG_EARLY_PRINTK_DBGP=y
CONFIG_DEBUG_BOOT_PARAMS=y
CONFIG_KALLSYMS_ALL=y

1
arch/x86/configs/x86_64_defconfig
View File

@@ -260,3 +260,4 @@ CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
CONFIG_EARLY_PRINTK_DBGP=y
CONFIG_DEBUG_BOOT_PARAMS=y
CONFIG_KALLSYMS_ALL=y

1
arch/x86/include/asm/realmode.h
View File

@@ -89,6 +89,7 @@ static inline void set_real_mode_mem(phys_addr_t mem)
}
void reserve_real_mode(void);
void load_trampoline_pgtable(void);
#endif /* __ASSEMBLY__ */

3
arch/x86/include/asm/uaccess.h
View File

@@ -314,11 +314,12 @@ do { \
do { \
__chk_user_ptr(ptr); \
switch (size) { \
case 1: { \
unsigned char x_u8__; \
case 1: \
__get_user_asm(x_u8__, ptr, "b", "=q", label); \
(x) = x_u8__; \
break; \
} \
case 2: \
__get_user_asm(x, ptr, "w", "=r", label); \
break; \

42
arch/x86/kernel/cpu/mce/core.c
View File

@@ -295,11 +295,17 @@ static void wait_for_panic(void)
panic("Panicing machine check CPU died");
}
static void mce_panic(const char *msg, struct mce *final, char *exp)
static noinstr void mce_panic(const char *msg, struct mce *final, char *exp)
{
int apei_err = 0;
struct llist_node *pending;
struct mce_evt_llist *l;
int apei_err = 0;
/*
* Allow instrumentation around external facilities usage. Not that it
* matters a whole lot since the machine is going to panic anyway.
*/
instrumentation_begin();
if (!fake_panic) {
/*
@@ -314,7 +320,7 @@ static void mce_panic(const char *msg, struct mce *final, char *exp)
} else {
/* Don't log too much for fake panic */
if (atomic_inc_return(&mce_fake_panicked) > 1)
return;
goto out;
}
pending = mce_gen_pool_prepare_records();
/* First print corrected ones that are still unlogged */
@@ -352,6 +358,9 @@ static void mce_panic(const char *msg, struct mce *final, char *exp)
panic(msg);
} else
pr_emerg(HW_ERR "Fake kernel panic: %s\n", msg);
out:
instrumentation_end();
}
/* Support code for software error injection */
@@ -682,7 +691,7 @@ static struct notifier_block mce_default_nb = {
/*
* Read ADDR and MISC registers.
*/
static void mce_read_aux(struct mce *m, int i)
static noinstr void mce_read_aux(struct mce *m, int i)
{
if (m->status & MCI_STATUS_MISCV)
m->misc = mce_rdmsrl(msr_ops.misc(i));
@@ -1061,10 +1070,13 @@ static int mce_start(int *no_way_out)
* Synchronize between CPUs after main scanning loop.
* This invokes the bulk of the Monarch processing.
*/
static int mce_end(int order)
static noinstr int mce_end(int order)
{
int ret = -1;
u64 timeout = (u64)mca_cfg.monarch_timeout * NSEC_PER_USEC;
int ret = -1;
/* Allow instrumentation around external facilities. */
instrumentation_begin();
if (!timeout)
goto reset;
@@ -1108,7 +1120,8 @@ static int mce_end(int order)
/*
* Don't reset anything. That's done by the Monarch.
*/
return 0;
ret = 0;
goto out;
}
/*
@@ -1123,6 +1136,10 @@ reset:
* Let others run again.
*/
atomic_set(&mce_executing, 0);
out:
instrumentation_end();
return ret;
}
@@ -1443,6 +1460,14 @@ noinstr void do_machine_check(struct pt_regs *regs)
if (worst != MCE_AR_SEVERITY && !kill_it)
goto out;
/*
* Enable instrumentation around the external facilities like
* task_work_add() (via queue_task_work()), fixup_exception() etc.
* For now, that is. Fixing this properly would need a lot more involved
* reorganization.
*/
instrumentation_begin();
/* Fault was in user mode and we need to take some action */
if ((m.cs & 3) == 3) {
/* If this triggers there is no way to recover. Die hard. */
@@ -1468,6 +1493,9 @@ noinstr void do_machine_check(struct pt_regs *regs)
if (m.kflags & MCE_IN_KERNEL_COPYIN)
queue_task_work(&m, msg, kill_it);
}
instrumentation_end();
out:
mce_wrmsrl(MSR_IA32_MCG_STATUS, 0);
}

2
arch/x86/kernel/cpu/mce/inject.c
View File

@@ -347,7 +347,7 @@ static ssize_t flags_write(struct file *filp, const char __user *ubuf,
char buf[MAX_FLAG_OPT_SIZE], *__buf;
int err;
if (cnt > MAX_FLAG_OPT_SIZE)
if (!cnt || cnt > MAX_FLAG_OPT_SIZE)
return -EINVAL;
if (copy_from_user(&buf, ubuf, cnt))

10
arch/x86/kernel/early-quirks.c
View File

@@ -515,6 +515,7 @@ static const struct intel_early_ops gen11_early_ops __initconst = {
.stolen_size = gen9_stolen_size,
};
/* Intel integrated GPUs for which we need to reserve "stolen memory" */
static const struct pci_device_id intel_early_ids[] __initconst = {
INTEL_I830_IDS(&i830_early_ops),
INTEL_I845G_IDS(&i845_early_ops),
@@ -588,6 +589,13 @@ static void __init intel_graphics_quirks(int num, int slot, int func)
u16 device;
int i;
/*
* Reserve "stolen memory" for an integrated GPU. If we've already
* found one, there's nothing to do for other (discrete) GPUs.
*/
if (resource_size(&intel_graphics_stolen_res))
return;
device = read_pci_config_16(num, slot, func, PCI_DEVICE_ID);
for (i = 0; i < ARRAY_SIZE(intel_early_ids); i++) {
@@ -700,7 +708,7 @@ static struct chipset early_qrk[] __initdata = {
{ PCI_VENDOR_ID_INTEL, 0x3406, PCI_CLASS_BRIDGE_HOST,
PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check },
{ PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA, PCI_ANY_ID,
QFLAG_APPLY_ONCE, intel_graphics_quirks },
0, intel_graphics_quirks },
/*
* HPET on the current version of the Baytrail platform has accuracy
* problems: it will halt in deep idle state - so we disable it.

12
arch/x86/kernel/reboot.c
View File

@@ -113,17 +113,9 @@ void __noreturn machine_real_restart(unsigned int type)
spin_unlock(&rtc_lock);
/*
* Switch back to the initial page table.
* Switch to the trampoline page table.
*/
#ifdef CONFIG_X86_32
load_cr3(initial_page_table);
#else
write_cr3(real_mode_header->trampoline_pgd);
/* Exiting long mode will fail if CR4.PCIDE is set. */
if (boot_cpu_has(X86_FEATURE_PCID))
cr4_clear_bits(X86_CR4_PCIDE);
#endif
load_trampoline_pgtable();
/* Jump to the identity-mapped low memory code */
#ifdef CONFIG_X86_32

1
arch/x86/kernel/tsc.c
View File

@@ -1127,6 +1127,7 @@ static int tsc_cs_enable(struct clocksource *cs)
static struct clocksource clocksource_tsc_early = {
.name = "tsc-early",
.rating = 299,
.uncertainty_margin = 32 * NSEC_PER_MSEC,
.read = read_tsc,
.mask = CLOCKSOURCE_MASK(64),
.flags = CLOCK_SOURCE_IS_CONTINUOUS |

16
arch/x86/kvm/vmx/posted_intr.c
View File

@@ -15,7 +15,7 @@
* can find which vCPU should be waken up.
*/
static DEFINE_PER_CPU(struct list_head, blocked_vcpu_on_cpu);
static DEFINE_PER_CPU(spinlock_t, blocked_vcpu_on_cpu_lock);
static DEFINE_PER_CPU(raw_spinlock_t, blocked_vcpu_on_cpu_lock);
static inline struct pi_desc *vcpu_to_pi_desc(struct kvm_vcpu *vcpu)
{
@@ -121,9 +121,9 @@ static void __pi_post_block(struct kvm_vcpu *vcpu)
new.control) != old.control);
if (!WARN_ON_ONCE(vcpu->pre_pcpu == -1)) {
spin_lock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu));
raw_spin_lock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu));
list_del(&vcpu->blocked_vcpu_list);
spin_unlock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu));
raw_spin_unlock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu));
vcpu->pre_pcpu = -1;
}
}
@@ -154,11 +154,11 @@ int pi_pre_block(struct kvm_vcpu *vcpu)
local_irq_disable();
if (!WARN_ON_ONCE(vcpu->pre_pcpu != -1)) {
vcpu->pre_pcpu = vcpu->cpu;
spin_lock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu));
raw_spin_lock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu));
list_add_tail(&vcpu->blocked_vcpu_list,
&per_cpu(blocked_vcpu_on_cpu,
vcpu->pre_pcpu));
spin_unlock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu));
raw_spin_unlock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu));
}
do {
@@ -215,7 +215,7 @@ void pi_wakeup_handler(void)
struct kvm_vcpu *vcpu;
int cpu = smp_processor_id();
spin_lock(&per_cpu(blocked_vcpu_on_cpu_lock, cpu));
raw_spin_lock(&per_cpu(blocked_vcpu_on_cpu_lock, cpu));
list_for_each_entry(vcpu, &per_cpu(blocked_vcpu_on_cpu, cpu),
blocked_vcpu_list) {
struct pi_desc *pi_desc = vcpu_to_pi_desc(vcpu);
@@ -223,13 +223,13 @@ void pi_wakeup_handler(void)
if (pi_test_on(pi_desc) == 1)
kvm_vcpu_kick(vcpu);
}
spin_unlock(&per_cpu(blocked_vcpu_on_cpu_lock, cpu));
raw_spin_unlock(&per_cpu(blocked_vcpu_on_cpu_lock, cpu));
}
void __init pi_init_cpu(int cpu)
{
INIT_LIST_HEAD(&per_cpu(blocked_vcpu_on_cpu, cpu));
spin_lock_init(&per_cpu(blocked_vcpu_on_cpu_lock, cpu));
raw_spin_lock_init(&per_cpu(blocked_vcpu_on_cpu_lock, cpu));
}
bool pi_has_pending_interrupt(struct kvm_vcpu *vcpu)

26
arch/x86/realmode/init.c
View File

@@ -17,6 +17,32 @@ u32 *trampoline_cr4_features;
/* Hold the pgd entry used on booting additional CPUs */
pgd_t trampoline_pgd_entry;
void load_trampoline_pgtable(void)
{
#ifdef CONFIG_X86_32
load_cr3(initial_page_table);
#else
/*
* This function is called before exiting to real-mode and that will
* fail with CR4.PCIDE still set.
*/
if (boot_cpu_has(X86_FEATURE_PCID))
cr4_clear_bits(X86_CR4_PCIDE);
write_cr3(real_mode_header->trampoline_pgd);
#endif
/*
* The CR3 write above will not flush global TLB entries.
* Stale, global entries from previous page tables may still be
* present. Flush those stale entries.
*
* This ensures that memory accessed while running with
* trampoline_pgd is *actually* mapped into trampoline_pgd.
*/
__flush_tlb_all();
}
void __init reserve_real_mode(void)
{
phys_addr_t mem;

3
arch/x86/um/syscalls_64.c
View File

@@ -11,6 +11,7 @@
#include <linux/uaccess.h>
#include <asm/prctl.h> /* XXX This should get the constants from libc */
#include <os.h>
#include <registers.h>
long arch_prctl(struct task_struct *task, int option,
unsigned long __user *arg2)
@@ -35,7 +36,7 @@ long arch_prctl(struct task_struct *task, int option,
switch (option) {
case ARCH_SET_FS:
case ARCH_SET_GS:
ret = restore_registers(pid, &current->thread.regs.regs);
ret = restore_pid_registers(pid, &current->thread.regs.regs);
if (ret)
return ret;
break;

4
block/blk-flush.c
View File

@@ -236,8 +236,10 @@ static void flush_end_io(struct request *flush_rq, blk_status_t error)
* avoiding use-after-free.
*/
WRITE_ONCE(flush_rq->state, MQ_RQ_IDLE);
if (fq->rq_status != BLK_STS_OK)
if (fq->rq_status != BLK_STS_OK) {
error = fq->rq_status;
fq->rq_status = BLK_STS_OK;
}
if (!q->elevator) {
flush_rq->tag = BLK_MQ_NO_TAG;

20
block/blk-pm.c
View File

@@ -163,27 +163,19 @@ EXPORT_SYMBOL(blk_pre_runtime_resume);
/**
* blk_post_runtime_resume - Post runtime resume processing
* @q: the queue of the device
* @err: return value of the device's runtime_resume function
*
* Description:
* Update the queue's runtime status according to the return value of the
* device's runtime_resume function. If the resume was successful, call
* blk_set_runtime_active() to do the real work of restarting the queue.
* For historical reasons, this routine merely calls blk_set_runtime_active()
* to do the real work of restarting the queue. It does this regardless of
* whether the device's runtime-resume succeeded; even if it failed the
* driver or error handler will need to communicate with the device.
*
* This function should be called near the end of the device's
* runtime_resume callback.
*/
void blk_post_runtime_resume(struct request_queue *q, int err)
void blk_post_runtime_resume(struct request_queue *q)
{
if (!q->dev)
return;
if (!err) {
blk_set_runtime_active(q);
} else {
spin_lock_irq(&q->queue_lock);
q->rpm_status = RPM_SUSPENDED;
spin_unlock_irq(&q->queue_lock);
}
}
EXPORT_SYMBOL(blk_post_runtime_resume);
@@ -201,7 +193,7 @@ EXPORT_SYMBOL(blk_post_runtime_resume);
* runtime PM status and re-enable peeking requests from the queue. It
* should be called before first request is added to the queue.
*
* This function is also called by blk_post_runtime_resume() for successful
* This function is also called by blk_post_runtime_resume() for
* runtime resumes. It does everything necessary to restart the queue.
*/
void blk_set_runtime_active(struct request_queue *q)

3
crypto/jitterentropy.c
View File

@@ -265,7 +265,6 @@ static int jent_stuck(struct rand_data *ec, __u64 current_delta)
{
__u64 delta2 = jent_delta(ec->last_delta, current_delta);
__u64 delta3 = jent_delta(ec->last_delta2, delta2);
unsigned int delta_masked = current_delta & JENT_APT_WORD_MASK;
ec->last_delta = current_delta;
ec->last_delta2 = delta2;
@@ -274,7 +273,7 @@ static int jent_stuck(struct rand_data *ec, __u64 current_delta)
* Insert the result of the comparison of two back-to-back time
* deltas.
*/
jent_apt_insert(ec, delta_masked);
jent_apt_insert(ec, current_delta);
if (!current_delta || !delta2 || !delta3) {
/* RCT with a stuck bit */

7
drivers/acpi/acpica/exfield.c
View File

@@ -326,12 +326,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
obj_desc->field.base_byte_offset,
source_desc->buffer.pointer, data_length);
if ((obj_desc->field.region_obj->region.address ==
PCC_MASTER_SUBSPACE
&& MASTER_SUBSPACE_COMMAND(obj_desc->field.
base_byte_offset))
|| GENERIC_SUBSPACE_COMMAND(obj_desc->field.
base_byte_offset)) {
if (MASTER_SUBSPACE_COMMAND(obj_desc->field.base_byte_offset)) {
/* Perform the write */

3
drivers/acpi/acpica/exoparg1.c
View File

@@ -1007,7 +1007,8 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
(walk_state, return_desc,
&temp_desc);
if (ACPI_FAILURE(status)) {
goto cleanup;
return_ACPI_STATUS
(status);
}
return_desc = temp_desc;

2
drivers/acpi/acpica/hwesleep.c
View File

@@ -104,7 +104,9 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state)
/* Flush caches, as per ACPI specification */
if (sleep_state < ACPI_STATE_S4) {
ACPI_FLUSH_CPU_CACHE();
}
status = acpi_os_enter_sleep(sleep_state, sleep_control, 0);
if (status == AE_CTRL_TERMINATE) {

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