From: Joerg Roedel <jroedel@xxxxxxx> NMI will no longer use most of the shared return path, because NMI needs special handling when the CR3 switches for PTI are added. This patch prepares for that. Signed-off-by: Joerg Roedel <jroedel@xxxxxxx> --- arch/x86/entry/entry_32.S | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index d35a69a..571209e 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -1017,7 +1017,7 @@ ENTRY(nmi) /* Not on SYSENTER stack. */ call do_nmi - jmp .Lrestore_all_notrace + jmp .Lnmi_return .Lnmi_from_sysenter_stack: /* @@ -1028,7 +1028,11 @@ ENTRY(nmi) movl PER_CPU_VAR(cpu_current_top_of_stack), %esp call do_nmi movl %ebx, %esp - jmp .Lrestore_all_notrace + +.Lnmi_return: + CHECK_AND_APPLY_ESPFIX + RESTORE_REGS 4 + jmp .Lirq_return #ifdef CONFIG_X86_ESPFIX32 .Lnmi_espfix_stack: -- 2.7.4
