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authorIngo Molnar <mingo@elte.hu>2009-11-04 11:54:15 +0100
committerIngo Molnar <mingo@elte.hu>2009-11-04 11:59:45 +0100
commita2e71271535fde493c32803b1f34789f97efcb5e (patch)
tree90d7139bea2f49e947f27af92614fa6eca50b64d /kernel/sys.c
parent6d7aa9d721c8c640066142fd9534afcdf68d7f9d (diff)
parentb419148e567728f6af0c3b01965c1cc141e3e13a (diff)
Merge commit 'v2.6.32-rc6' into perf/core
Conflicts: tools/perf/Makefile Merge reason: Resolve the conflict, merge to upstream and merge in perf fixes so we can add a dependent patch. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sys.c')
-rw-r--r--kernel/sys.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/kernel/sys.c b/kernel/sys.c
index 255475d163e..ce17760d9c5 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1110,6 +1110,8 @@ SYSCALL_DEFINE0(setsid)
err = session;
out:
write_unlock_irq(&tasklist_lock);
+ if (err > 0)
+ proc_sid_connector(group_leader);
return err;
}
@@ -1546,24 +1548,37 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
if (arg4 | arg5)
return -EINVAL;
switch (arg2) {
- case 0:
+ case PR_MCE_KILL_CLEAR:
if (arg3 != 0)
return -EINVAL;
current->flags &= ~PF_MCE_PROCESS;
break;
- case 1:
+ case PR_MCE_KILL_SET:
current->flags |= PF_MCE_PROCESS;
- if (arg3 != 0)
+ if (arg3 == PR_MCE_KILL_EARLY)
current->flags |= PF_MCE_EARLY;
- else
+ else if (arg3 == PR_MCE_KILL_LATE)
current->flags &= ~PF_MCE_EARLY;
+ else if (arg3 == PR_MCE_KILL_DEFAULT)
+ current->flags &=
+ ~(PF_MCE_EARLY|PF_MCE_PROCESS);
+ else
+ return -EINVAL;
break;
default:
return -EINVAL;
}
error = 0;
break;
-
+ case PR_MCE_KILL_GET:
+ if (arg2 | arg3 | arg4 | arg5)
+ return -EINVAL;
+ if (current->flags & PF_MCE_PROCESS)
+ error = (current->flags & PF_MCE_EARLY) ?
+ PR_MCE_KILL_EARLY : PR_MCE_KILL_LATE;
+ else
+ error = PR_MCE_KILL_DEFAULT;
+ break;
default:
error = -EINVAL;
break;