1 files changed, 7 insertions, 0 deletions

diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c
index 290f5d8037cd..4886afcd6287 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);