Commit 7d0b0e8d authored by Andi Kleen's avatar Andi Kleen Committed by Andi Kleen
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[PATCH] x86-64: Annotate interrupt frame backlink in interrupt handlers



Add correct CFI annotation to the backlink on top of the interrupt stack.
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
parent 0a5ace2a
......@@ -535,6 +535,8 @@ END(stub_rt_sigreturn)
1: incl %gs:pda_irqcount
cmoveq %gs:pda_irqstackptr,%rsp
push %rbp # backlink for old unwinder
CFI_ADJUST_CFA_OFFSET 8
CFI_REL_OFFSET rbp,0
/*
* We entered an interrupt context - irqs are off:
*/
......@@ -1174,6 +1176,7 @@ ENTRY(call_softirq)
incl %gs:pda_irqcount
cmove %gs:pda_irqstackptr,%rsp
push %rbp # backlink for old unwinder
CFI_ADJUST_CFA_OFFSET 8
call __do_softirq
leaveq
CFI_DEF_CFA_REGISTER rsp
......
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