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f977df7b7c
kernel_optimize_test/arch/x86/entry
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Jann Horn f977df7b7c x86/entry/64: Fix unwind hints in rewind_stack_do_exit() 
The LEAQ instruction in rewind_stack_do_exit() moves the stack pointer
directly below the pt_regs at the top of the task stack before calling
do_exit(). Tell the unwinder to expect pt_regs.

Fixes: 8c1f75587a ("x86/entry/64: Add unwind hint annotations")
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Dave Jones <dsj@fb.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Link: https://lore.kernel.org/r/68c33e17ae5963854916a46f522624f8e1d264f2.1587808742.git.jpoimboe@redhat.com
2020-04-25 12:22:28 +02:00
..
syscalls x86/entry/32: Use IA32-specific wrappers for syscalls taking 64-bit arguments 2020-03-21 16:03:24 +01:00
vdso sparc,x86: vdso: remove meaningless undefining CONFIG_OPTIMIZE_INLINING 2020-04-07 10:43:42 -07:00
vsyscall y2038: syscall implementation cleanups 2019-12-01 14:00:59 -08:00
calling.h x86/entry/64: Fix unwind hints in register clearing code 2020-04-25 12:22:27 +02:00
common.c Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-31 11:04:05 -07:00
entry_32.S x86/entry/64: Trace irqflags unconditionally as ON when returning to user space 2020-03-10 13:56:32 +01:00
entry_64_compat.S x86/asm: Change all ENTRY+ENDPROC to SYM_FUNC_* 2019-10-18 11:58:33 +02:00
entry_64.S x86/entry/64: Fix unwind hints in rewind_stack_do_exit() 2020-04-25 12:22:28 +02:00
Makefile x86/entry/64: Split X32 syscall table into its own file 2020-03-21 16:03:21 +01:00
syscall_32.c x86/entry: Drop asmlinkage from syscalls 2020-03-21 16:03:25 +01:00
syscall_64.c x86/entry: Drop asmlinkage from syscalls 2020-03-21 16:03:25 +01:00
syscall_x32.c x86/entry: Drop asmlinkage from syscalls 2020-03-21 16:03:25 +01:00
thunk_32.S x86/entry: Rename ___preempt_schedule 2020-03-21 16:03:53 +01:00
thunk_64.S x86/entry: Rename ___preempt_schedule 2020-03-21 16:03:53 +01:00