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authorAlexander van Heukelum <heukelum@mailshack.com>2008-07-22 18:14:16 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-24 12:33:38 +0200
commite0a5a5d9b006fd441e61685a051fa85d52fb172c (patch)
treef0560b252e099f3c5917b8a99f0cf4ba9bc29916 /arch/x86/kernel/entry_64.S
parent338b9bb3adac0d2c5a1e180491d9b001d624c402 (diff)
x86, 64-bit, dwarf2: push pushes 8 bytes and popf pops 8
The CFI_ADJUST_CFA_OFFSET dwarf2 annotation of a push/popf pair in ret_from_fork wrongly used a value of 4. It should have been 8. Fix that. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Cc: Andi Kleen <andi@firstfloor.org> Cc: heukelum@fastmail.fm Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/entry_64.S')
-rw-r--r--arch/x86/kernel/entry_64.S4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 89434d43960..cf3a0b2d005 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -275,9 +275,9 @@ ENTRY(native_usergs_sysret64)
ENTRY(ret_from_fork)
CFI_DEFAULT_STACK
push kernel_eflags(%rip)
- CFI_ADJUST_CFA_OFFSET 4
+ CFI_ADJUST_CFA_OFFSET 8
popf # reset kernel eflags
- CFI_ADJUST_CFA_OFFSET -4
+ CFI_ADJUST_CFA_OFFSET -8
call schedule_tail
GET_THREAD_INFO(%rcx)
testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT),TI_flags(%rcx)