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| author | Dmitry Torokhov <dtor@insightbb.com> | 2006-09-19 01:56:44 -0400 |
|---|---|---|
| committer | Dmitry Torokhov <dtor@insightbb.com> | 2006-09-19 01:56:44 -0400 |
| commit | 0612ec48762bf8712db1925b2e67246d2237ebab (patch) | |
| tree | 01b0d69c9c9915015c0f23ad4263646dd5413e99 /arch/x86_64/kernel/entry.S | |
| parent | 4263cf0fac28122c8381b6f4f9441a43cd93c81f (diff) | |
| parent | 47a5c6fa0e204a2b63309c648bb2fde36836c826 (diff) | |
| download | linux-next-0612ec48762bf8712db1925b2e67246d2237ebab.tar.gz linux-next-0612ec48762bf8712db1925b2e67246d2237ebab.zip | |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/x86_64/kernel/entry.S')
| -rw-r--r-- | arch/x86_64/kernel/entry.S | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index d464dded68c0..aa8d8939abc1 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -513,6 +513,7 @@ END(stub_rt_sigreturn) swapgs 1: incl %gs:pda_irqcount # RED-PEN should check preempt count cmoveq %gs:pda_irqstackptr,%rsp + push %rbp # backlink for old unwinder /* * We entered an interrupt context - irqs are off: */ @@ -972,6 +973,8 @@ ENTRY(kernel_thread) ENDPROC(kernel_thread) child_rip: + pushq $0 # fake return address + CFI_STARTPROC /* * Here we are in the child and the registers are set as they were * at kernel_thread() invocation in the parent. @@ -982,6 +985,7 @@ child_rip: # exit xorl %edi, %edi call do_exit + CFI_ENDPROC ENDPROC(child_rip) /* @@ -1139,18 +1143,21 @@ ENTRY(machine_check) END(machine_check) #endif +/* Call softirq on interrupt stack. Interrupts are off. */ ENTRY(call_softirq) CFI_STARTPROC - movq %gs:pda_irqstackptr,%rax - movq %rsp,%rdx - CFI_DEF_CFA_REGISTER rdx + push %rbp + CFI_ADJUST_CFA_OFFSET 8 + CFI_REL_OFFSET rbp,0 + mov %rsp,%rbp + CFI_DEF_CFA_REGISTER rbp incl %gs:pda_irqcount - cmove %rax,%rsp - pushq %rdx - /*todo CFI_DEF_CFA_EXPRESSION ...*/ + cmove %gs:pda_irqstackptr,%rsp + push %rbp # backlink for old unwinder call __do_softirq - popq %rsp + leaveq CFI_DEF_CFA_REGISTER rsp + CFI_ADJUST_CFA_OFFSET -8 decl %gs:pda_irqcount ret CFI_ENDPROC |