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Peter Zijlstra 623619d9bf x86/entry: Increase entry_stack size to a full page 
[ Upstream commit c7aadc09321d8f9a1d3bd1e6d8a47222ecddf6c5 ]

Marco crashed in bad_iret with a Clang11/KCSAN build due to
overflowing the stack. Now that we run C code on it, expand it to a
full page.

Suggested-by: Andy Lutomirski <luto@amacapital.net>
Reported-by: Marco Elver <elver@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>
Tested-by: Marco Elver <elver@google.com>
Link: https://lkml.kernel.org/r/20200618144801.819246178@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-03-16 16:31:28 +08:00
..
alpha alpha: fix memory barriers so that they conform to the specification 2021-03-16 16:29:48 +08:00
arc ARC: [plat-eznps]: Restrict to CONFIG_ISA_ARCOMPACT 2021-03-16 16:28:46 +08:00
arm ARM: imx6: add missing put_device() call in imx6q_suspend_init() 2021-03-16 16:31:28 +08:00
arm64 arm64: dts: imx8mn-ddr4-evk: correct ldo1/ldo2 voltage range 2021-03-16 16:31:10 +08:00
c6x Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
csky csky: Fixup abiv2 syscall_trace break a4 & a5 2021-03-16 16:28:56 +08:00
h8300 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hexagon hexagon: define ioremap_uc 2021-03-16 16:27:29 +08:00
ia64 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
m68k m68k/PCI: Fix a memory leak in an error handling path 2021-03-16 16:30:02 +08:00
microblaze Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mips MIPS: Add missing EHB in mtc0 -> mfc0 sequence for DSPen 2021-03-16 16:31:22 +08:00
nds32 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
nios2 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
openrisc openrisc: Fix issue with argument clobbering for clone/fork 2021-03-16 16:30:27 +08:00
parisc parisc: Fix kernel panic in mem_init() 2021-03-16 16:28:37 +08:00
powerpc powerpc/kvm/book3s64: Fix kernel crash with nested kvm & DEBUG_VIRTUAL 2021-03-16 16:31:27 +08:00
riscv RISC-V: Don't allow write+exec only page mapping request in mmap 2021-03-16 16:31:06 +08:00
s390 s390/kasan: fix early pgm check handler execution 2021-03-16 16:31:27 +08:00
sh Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sparc fix a braino in "sparc32: fix register window handling in genregs32_[gs]et()" 2021-03-16 16:30:50 +08:00
um um: ensure `make ARCH=um mrproper` removes arch/$(SUBARCH)/include/generated/ 2021-03-16 16:27:11 +08:00
unicore32 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
x86 x86/entry: Increase entry_stack size to a full page 2021-03-16 16:31:28 +08:00
xtensa Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.gitignore Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00