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-rw-r--r--arch/x86/kernel/head_64.S6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index e1aabdb314c8..a468c0a65c42 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -343,6 +343,9 @@ early_idt_handlers:
343ENTRY(early_idt_handler) 343ENTRY(early_idt_handler)
344 cld 344 cld
345 345
346 cmpl $2,(%rsp) # X86_TRAP_NMI
347 je is_nmi # Ignore NMI
348
346 cmpl $2,early_recursion_flag(%rip) 349 cmpl $2,early_recursion_flag(%rip)
347 jz 1f 350 jz 1f
348 incl early_recursion_flag(%rip) 351 incl early_recursion_flag(%rip)
@@ -405,8 +408,9 @@ ENTRY(early_idt_handler)
405 popq %rdx 408 popq %rdx
406 popq %rcx 409 popq %rcx
407 popq %rax 410 popq %rax
408 addq $16,%rsp # drop vector number and error code
409 decl early_recursion_flag(%rip) 411 decl early_recursion_flag(%rip)
412is_nmi:
413 addq $16,%rsp # drop vector number and error code
410 INTERRUPT_RETURN 414 INTERRUPT_RETURN
411ENDPROC(early_idt_handler) 415ENDPROC(early_idt_handler)
412 416