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b4d5ec9b39f8b31d98f65bc5577b5d15d93795d7
android_kernel_xiaomi_sm8450/arch/arm
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Nathan Huckleberry b4d5ec9b39 ARM: 8992/1: Fix unwind_frame for clang-built kernels 
Since clang does not push pc and sp in function prologues, the current
implementation of unwind_frame does not work. By using the previous
frame's lr/fp instead of saved pc/sp we get valid unwinds on clang-built
kernels.

The bounds check on next frame pointer must be changed as well since
there are 8 less bytes between frames.

This fixes /proc/<pid>/stack.

Link: https://github.com/ClangBuiltLinux/linux/issues/912

Reported-by: Miles Chen <miles.chen@mediatek.com>
Tested-by: Miles Chen <miles.chen@mediatek.com>
Cc: stable@vger.kernel.org
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2020-07-21 16:33:40 +01:00
..
boot
Merge tag 'arm-omap-fixes-5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-06-28 14:57:14 -07:00
common
…
configs
Merge tag 'arm-defconfig-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-06-04 19:54:15 -07:00
crypto
Merge branch 'rwonce/rework' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux
2020-06-10 14:46:54 -07:00
include
ARM: 8991/1: use VFP assembler mnemonics if available
2020-07-21 16:33:39 +01:00
kernel
ARM: 8992/1: Fix unwind_frame for clang-built kernels
2020-07-21 16:33:40 +01:00
lib
mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
2020-06-09 09:39:14 -07:00
mach-actions
ARM: actions: Drop unneeded select of COMMON_CLK
2020-05-15 23:27:37 +02:00
mach-alpine
ARM: alpine: Drop unneeded select of HAVE_SMP
2020-05-15 23:27:37 +02:00
mach-artpec
…
mach-asm9260
ARM: asm9260: Drop unneeded select of GENERIC_CLOCKEVENTS
2020-05-15 23:27:37 +02:00
mach-aspeed
ARM: aspeed: Drop unneeded select of HAVE_SMP
2020-05-15 23:27:37 +02:00
mach-at91
…
mach-axxia
…
mach-bcm
ARM: bcm: Select ARM_TIMER_SP804 for ARCH_BCM_NSP
2020-06-14 15:09:49 -07:00
mach-berlin
ARM: berlin: Drop unneeded select of HAVE_SMP
2020-05-15 23:27:37 +02:00
mach-clps711x
ARM: clps711x: Drop unneeded select of multi-platform selected options
2020-05-15 23:27:37 +02:00
mach-cns3xxx
…
mach-davinci
ARM: davinci: fix build failure without I2C
2020-05-28 12:35:00 +02:00
mach-digicolor
…
mach-dove
…
mach-ebsa110
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
mach-efm32
…
mach-ep93xx
…
mach-exynos
…
mach-footbridge
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
mach-gemini
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mach-highbank
…
mach-hisi
…
mach-imx
ARM: imx6: add missing put_device() call in imx6q_suspend_init()
2020-06-24 09:25:39 +08:00
mach-integrator
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
mach-iop32x
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
mach-ixp4xx
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
mach-keystone
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
mach-lpc18xx
…
mach-lpc32xx
…
mach-mediatek
ARM: mediatek: Replace <linux/clk-provider.h> by <linux/of_clk.h>
2020-05-15 22:55:06 +02:00
mach-meson
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mach-milbeaut
…
mach-mmp
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2020-06-10 11:42:19 -07:00
mach-moxart
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mach-mv78xx0
…
mach-mvebu
ARM: mvebu: Drop unneeded select of HAVE_SMP
2020-05-15 23:27:38 +02:00
mach-mxs
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mach-nomadik
…
mach-npcm
…
mach-nspire
…
mach-omap1
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mach-omap2
Merge tag 'omap-for-v5.8/fixes-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
2020-06-28 14:41:55 +02:00
mach-orion5x
…
mach-oxnas
ARM: oxnas: make ox820_boot_secondary static
2020-05-12 10:29:33 +02:00
mach-picoxcell
…
mach-prima2
ARM: prima2: Drop unneeded select of HAVE_SMP
2020-05-15 23:27:38 +02:00
mach-pxa
ARM: pxa: remove Compulab pxa2xx boards
2020-05-26 00:10:57 +02:00
mach-qcom
…
mach-rda
…
mach-realtek
…
mach-realview
Merge tag 'vexpress-modules-for-soc-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux into arm/soc
2020-05-15 23:04:40 +02:00
mach-rockchip
…
mach-rpc
…
mach-s3c24xx
…
mach-s3c64xx
…
mach-s5pv210
…
mach-sa1100
mm: pgtable: add shortcuts for accessing kernel PMD and PTE
2020-06-09 09:39:13 -07:00
mach-shmobile
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mach-socfpga
ARM: socfpga: Drop unneeded select of PCI_DOMAINS_GENERIC
2020-05-15 23:27:38 +02:00
mach-spear
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mach-sti
Revert "ARM: sti: Implement dummy L2 cache's write_sec"
2020-06-28 14:46:54 +02:00
mach-stm32
…
mach-sunxi
…
mach-tango
…
mach-tegra
mm: introduce include/linux/pgtable.h
2020-06-09 09:39:13 -07:00
mach-u300
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mach-uniphier
…
mach-ux500
…
mach-versatile
Merge tag 'vexpress-modules-for-soc-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux into arm/soc
2020-05-15 23:04:40 +02:00
mach-vexpress
Revert "ARM: vexpress: Don't select VEXPRESS_CONFIG"
2020-05-28 12:30:33 +02:00
mach-vt8500
ARM: Remove redundant CLKDEV_LOOKUP selects
2020-05-05 12:33:57 -07:00
mach-zx
…
mach-zynq
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
mm
ARM: 8982/1: mm: Simplify act_mm macro
2020-07-21 16:33:36 +01:00
net
bpf, arm: Optimize ALU ARSH K using asr immediate instruction
2020-05-04 17:04:42 +02:00
nwfpe
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oprofile
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plat-omap
…
plat-orion
…
plat-pxa
…
plat-samsung
…
plat-versatile
…
probes
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tools
vfs: add faccessat2 syscall
2020-05-14 16:44:25 +02:00
vdso
…
vfp
ARM: 8991/1: use VFP assembler mnemonics if available
2020-07-21 16:33:39 +01:00
xen
arm/xen: remove the unused macro GRANT_TABLE_PHYSADDR
2020-06-29 16:16:06 -07:00
Kbuild
ARM: 8981/1: add arch/arm/Kbuild
2020-07-21 16:33:35 +01:00
Kconfig
ARM: 8991/1: use VFP assembler mnemonics if available
2020-07-21 16:33:39 +01:00
Kconfig-nommu
…
Kconfig.assembler
ARM: 8991/1: use VFP assembler mnemonics if available
2020-07-21 16:33:39 +01:00
Kconfig.debug
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
Makefile
ARM: 8981/1: add arch/arm/Kbuild
2020-07-21 16:33:35 +01:00