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android_kernel_xiaomi_sm8450/Documentation/arm64/silicon-errata.rst
Greg Kroah-Hartman 27b36ba7c2 Merge 5.10.152 into android12-5.10-lts 
Changes in 5.10.152
	ocfs2: clear dinode links count in case of error
	ocfs2: fix BUG when iput after ocfs2_mknod fails
	selinux: enable use of both GFP_KERNEL and GFP_ATOMIC in convert_context()
	cpufreq: qcom: fix writes in read-only memory region
	i2c: qcom-cci: Fix ordering of pm_runtime_xx and i2c_add_adapter
	x86/microcode/AMD: Apply the patch early on every logical thread
	hwmon/coretemp: Handle large core ID value
	ata: ahci-imx: Fix MODULE_ALIAS
	ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS
	cpufreq: qcom: fix memory leak in error path
	kvm: Add support for arch compat vm ioctls
	KVM: arm64: vgic: Fix exit condition in scan_its_table()
	media: mceusb: set timeout to at least timeout provided
	media: venus: dec: Handle the case where find_format fails
	block: wbt: Remove unnecessary invoking of wbt_update_limits in wbt_init
	blk-wbt: call rq_qos_add() after wb_normal is initialized
	arm64: errata: Remove AES hwcap for COMPAT tasks
	r8152: add PID for the Lenovo OneLink+ Dock
	btrfs: fix processing of delayed data refs during backref walking
	btrfs: fix processing of delayed tree block refs during backref walking
	ACPI: extlog: Handle multiple records
	tipc: Fix recognition of trial period
	tipc: fix an information leak in tipc_topsrv_kern_subscr
	i40e: Fix DMA mappings leak
	HID: magicmouse: Do not set BTN_MOUSE on double report
	sfc: Change VF mac via PF as first preference if available.
	net/atm: fix proc_mpc_write incorrect return value
	net: phy: dp83867: Extend RX strap quirk for SGMII mode
	cifs: Fix xid leak in cifs_copy_file_range()
	cifs: Fix xid leak in cifs_flock()
	cifs: Fix xid leak in cifs_ses_add_channel()
	net: hsr: avoid possible NULL deref in skb_clone()
	ionic: catch NULL pointer issue on reconfig
	nvme-hwmon: rework to avoid devm allocation
	nvme-hwmon: Return error code when registration fails
	nvme-hwmon: consistently ignore errors from nvme_hwmon_init
	nvme-hwmon: kmalloc the NVME SMART log buffer
	net: sched: cake: fix null pointer access issue when cake_init() fails
	net: sched: delete duplicate cleanup of backlog and qlen
	net: sched: sfb: fix null pointer access issue when sfb_init() fails
	sfc: include vport_id in filter spec hash and equal()
	net: hns: fix possible memory leak in hnae_ae_register()
	net: sched: fix race condition in qdisc_graft()
	net: phy: dp83822: disable MDI crossover status change interrupt
	iommu/vt-d: Allow NVS regions in arch_rmrr_sanity_check()
	iommu/vt-d: Clean up si_domain in the init_dmars() error path
	drm/virtio: Use appropriate atomic state in virtio_gpu_plane_cleanup_fb()
	dmaengine: mxs-dma: Remove the unused .id_table
	dmaengine: mxs: use platform_driver_register
	tracing: Simplify conditional compilation code in tracing_set_tracer()
	tracing: Do not free snapshot if tracer is on cmdline
	xen: assume XENFEAT_gnttab_map_avail_bits being set for pv guests
	xen/gntdev: Accommodate VMA splitting
	mmc: sdhci-tegra: Use actual clock rate for SW tuning correction
	riscv: Add machine name to kernel boot log and stack dump output
	riscv: always honor the CONFIG_CMDLINE_FORCE when parsing dtb
	perf pmu: Validate raw event with sysfs exported format bits
	perf: Skip and warn on unknown format 'configN' attrs
	fcntl: make F_GETOWN(EX) return 0 on dead owner task
	fcntl: fix potential deadlocks for &fown_struct.lock
	arm64: dts: qcom: sc7180-trogdor: Fixup modem memory region
	arm64: topology: move store_cpu_topology() to shared code
	riscv: topology: fix default topology reporting
	perf/x86/intel/pt: Relax address filter validation
	hv_netvsc: Fix race between VF offering and VF association message from host
	ACPI: video: Force backlight native for more TongFang devices
	x86/Kconfig: Drop check for -mabi=ms for CONFIG_EFI_STUB
	Makefile.debug: re-enable debug info for .S files
	mmc: core: Add SD card quirk for broken discard
	blk-wbt: fix that 'rwb->wc' is always set to 1 in wbt_init()
	mm: /proc/pid/smaps_rollup: fix no vma's null-deref
	udp: Update reuse->has_conns under reuseport_lock.
	Linux 5.10.152

Change-Id: I2c75b6fd3ae205968bcc3133ebf71b82ff2a19b6
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2022-11-21 15:46:22 +00:00

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=======================================
Silicon Errata and Software Workarounds
=======================================
Author: Will Deacon <will.deacon@arm.com>
Date : 27 November 2015
It is an unfortunate fact of life that hardware is often produced with
so-called "errata", which can cause it to deviate from the architecture
under specific circumstances. For hardware produced by ARM, these
errata are broadly classified into the following categories:
========== ========================================================
Category A A critical error without a viable workaround.
Category B A significant or critical error with an acceptable
workaround.
Category C A minor error that is not expected to occur under normal
operation.
========== ========================================================
For more information, consult one of the "Software Developers Errata
Notice" documents available on infocenter.arm.com (registration
required).
As far as Linux is concerned, Category B errata may require some special
treatment in the operating system. For example, avoiding a particular
sequence of code, or configuring the processor in a particular way. A
less common situation may require similar actions in order to declassify
a Category A erratum into a Category C erratum. These are collectively
known as "software workarounds" and are only required in the minority of
cases (e.g. those cases that both require a non-secure workaround *and*
can be triggered by Linux).
For software workarounds that may adversely impact systems unaffected by
the erratum in question, a Kconfig entry is added under "Kernel
Features" -> "ARM errata workarounds via the alternatives framework".
These are enabled by default and patched in at runtime when an affected
CPU is detected. For less-intrusive workarounds, a Kconfig option is not
available and the code is structured (preferably with a comment) in such
a way that the erratum will not be hit.
This approach can make it slightly onerous to determine exactly which
errata are worked around in an arbitrary kernel source tree, so this
file acts as a registry of software workarounds in the Linux Kernel and
will be updated when new workarounds are committed and backported to
stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| Implementor | Component | Erratum ID | Kconfig |
+================+=================+=================+=============================+
| Allwinner | A64/R18 | UNKNOWN1 | SUN50I_ERRATUM_UNKNOWN1 |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A53 | #826319 | ARM64_ERRATUM_826319 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A53 | #827319 | ARM64_ERRATUM_827319 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A53 | #824069 | ARM64_ERRATUM_824069 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A53 | #819472 | ARM64_ERRATUM_819472 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A53 | #845719 | ARM64_ERRATUM_845719 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A53 | #843419 | ARM64_ERRATUM_843419 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A55 | #1024718 | ARM64_ERRATUM_1024718 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A55 | #1530923 | ARM64_ERRATUM_1530923 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A57 | #832075 | ARM64_ERRATUM_832075 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A57 | #852523 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A57 | #834220 | ARM64_ERRATUM_834220 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A57 | #1319537 | ARM64_ERRATUM_1319367 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A57 | #1742098 | ARM64_ERRATUM_1742098 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A72 | #853709 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A72 | #1319367 | ARM64_ERRATUM_1319367 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A72 | #1655431 | ARM64_ERRATUM_1742098 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A73 | #858921 | ARM64_ERRATUM_858921 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A76 | #1188873,1418040| ARM64_ERRATUM_1418040 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A76 | #1165522 | ARM64_ERRATUM_1165522 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A76 | #1286807 | ARM64_ERRATUM_1286807 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A76 | #1463225 | ARM64_ERRATUM_1463225 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A77 | #1508412 | ARM64_ERRATUM_1508412 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A510 | #2051678 | ARM64_ERRATUM_2051678 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A510 | #2457168 | ARM64_ERRATUM_2457168 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A710 | #2054223 | ARM64_ERRATUM_2054223 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Neoverse-N1 | #1188873,1418040| ARM64_ERRATUM_1418040 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Neoverse-N1 | #1349291 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Neoverse-N1 | #1542419 | ARM64_ERRATUM_1542419 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Neoverse-N2 | #2067961 | ARM64_ERRATUM_2067961 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | MMU-500 | #841119,826419 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
| Broadcom | Brahma-B53 | N/A | ARM64_ERRATUM_845719 |
+----------------+-----------------+-----------------+-----------------------------+
| Broadcom | Brahma-B53 | N/A | ARM64_ERRATUM_843419 |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX ITS | #22375,24313 | CAVIUM_ERRATUM_22375 |
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX ITS | #23144 | CAVIUM_ERRATUM_23144 |
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX GICv3 | #23154 | CAVIUM_ERRATUM_23154 |
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX GICv3 | #38539 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX Core | #27456 | CAVIUM_ERRATUM_27456 |
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX Core | #30115 | CAVIUM_ERRATUM_30115 |
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX SMMUv2 | #27704 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX2 SMMUv3| #74 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX2 SMMUv3| #126 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX2 Core | #219 | CAVIUM_TX2_ERRATUM_219 |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
| Marvell | ARM-MMU-500 | #582743 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
| Freescale/NXP | LS2080A/LS1043A | A-008585 | FSL_ERRATUM_A008585 |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
| Hisilicon | Hip0{5,6,7} | #161010101 | HISILICON_ERRATUM_161010101 |
+----------------+-----------------+-----------------+-----------------------------+
| Hisilicon | Hip0{6,7} | #161010701 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
| Hisilicon | Hip0{6,7} | #161010803 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
| Hisilicon | Hip07 | #161600802 | HISILICON_ERRATUM_161600802 |
+----------------+-----------------+-----------------+-----------------------------+
| Hisilicon | Hip08 SMMU PMCG | #162001800 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | Kryo/Falkor v1 | E1003 | QCOM_FALKOR_ERRATUM_1003 |
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | Kryo/Falkor v1 | E1009 | QCOM_FALKOR_ERRATUM_1009 |
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | QDF2400 ITS | E0065 | QCOM_QDF2400_ERRATUM_0065 |
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | Falkor v{1,2} | E1041 | QCOM_FALKOR_ERRATUM_1041 |
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | Kryo4xx Gold | N/A | ARM64_ERRATUM_1463225 |
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | Kryo4xx Gold | N/A | ARM64_ERRATUM_1418040 |
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | Kryo4xx Silver | N/A | ARM64_ERRATUM_1530923 |
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | Kryo4xx Silver | N/A | ARM64_ERRATUM_1024718 |
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | Kryo4xx Gold | N/A | ARM64_ERRATUM_1286807 |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
| Fujitsu | A64FX | E#010001 | FUJITSU_ERRATUM_010001 |
+----------------+-----------------+-----------------+-----------------------------+
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