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-rw-r--r--kernel/sys.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/kernel/sys.c b/kernel/sys.c
index ebcb15611728..255475d163e0 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1542,6 +1542,28 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
current->timer_slack_ns = arg2;
error = 0;
break;
+ case PR_MCE_KILL:
+ if (arg4 | arg5)
+ return -EINVAL;
+ switch (arg2) {
+ case 0:
+ if (arg3 != 0)
+ return -EINVAL;
+ current->flags &= ~PF_MCE_PROCESS;
+ break;
+ case 1:
+ current->flags |= PF_MCE_PROCESS;
+ if (arg3 != 0)
+ current->flags |= PF_MCE_EARLY;
+ else
+ current->flags &= ~PF_MCE_EARLY;
+ break;
+ default:
+ return -EINVAL;
+ }
+ error = 0;
+ break;
+
default:
error = -EINVAL;
break;