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-rw-r--r--arch/x86_64/kernel/signal.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c
index 290f5d8037c..4886afcd628 100644
--- a/arch/x86_64/kernel/signal.c
+++ b/arch/x86_64/kernel/signal.c
@@ -26,6 +26,7 @@
#include <asm/i387.h>
#include <asm/proto.h>
#include <asm/ia32_unistd.h>
+#include <asm/mce.h>
/* #define DEBUG_SIG 1 */
@@ -472,6 +473,12 @@ do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags)
clear_thread_flag(TIF_SINGLESTEP);
}
+#ifdef CONFIG_X86_MCE
+ /* notify userspace of pending MCEs */
+ if (thread_info_flags & _TIF_MCE_NOTIFY)
+ mce_notify_user();
+#endif /* CONFIG_X86_MCE */
+
/* deal with pending signal delivery */
if (thread_info_flags & (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK))
do_signal(regs);