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-rw-r--r--arch/x86_64/kernel/entry.S12
1 files changed, 5 insertions, 7 deletions
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 28b3c8e6b04..45e0ab8a1fc 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -1045,17 +1045,15 @@ ENTRY(call_debug)
ENTRY(call_softirq)
CFI_STARTPROC
movq %gs:pda_irqstackptr,%rax
- pushq %r15
- CFI_ADJUST_CFA_OFFSET 8
- movq %rsp,%r15
- CFI_DEF_CFA_REGISTER r15
+ movq %rsp,%rdx
+ CFI_DEF_CFA_REGISTER rdx
incl %gs:pda_irqcount
cmove %rax,%rsp
+ pushq %rdx
+ /*todo CFI_DEF_CFA_EXPRESSION ...*/
call __do_softirq
- movq %r15,%rsp
+ popq %rsp
CFI_DEF_CFA_REGISTER rsp
decl %gs:pda_irqcount
- popq %r15
- CFI_ADJUST_CFA_OFFSET -8
ret
CFI_ENDPROC