With the special exception stacks gone, the irqstack is a much safer place than the regular task stacks.
Signed-off-by: Avi Kivity <[email protected]> --- arch/x86/kernel/entry_64.S | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 245fecd..8f40593 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -917,7 +917,10 @@ END(spurious_interrupt) movq %rsp,%rdi movq ORIG_RAX(%rsp),%rsi movq $-1,ORIG_RAX(%rsp) + mov %rsp, %rbp + enter_irqstack %rax call \sym + mov %rbp, %rsp DISABLE_INTERRUPTS(CLBR_NONE) .if \irqtrace TRACE_IRQS_OFF -- 1.6.0.6 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
