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Diffstat (limited to 'arch/x86_64/kernel/signal.c')
-rw-r--r--arch/x86_64/kernel/signal.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c
index 290f5d8037cd..739175b01e06 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);
@@ -480,7 +487,7 @@ do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags)
void signal_fault(struct pt_regs *regs, void __user *frame, char *where)
{
struct task_struct *me = current;
- if (exception_trace)
+ if (show_unhandled_signals && printk_ratelimit())
printk("%s[%d] bad frame in %s frame:%p rip:%lx rsp:%lx orax:%lx\n",
me->comm,me->pid,where,frame,regs->rip,regs->rsp,regs->orig_rax);