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authorIngo Molnar <mingo@elte.hu>2009-11-26 04:50:39 -0500
committerIngo Molnar <mingo@elte.hu>2009-11-26 04:50:42 -0500
commit16bc67edeb49b531940b2ba6c183780a1b5c472d (patch)
tree71b4bc48e47e54f2c0b3126d8f81d2f31b707ea8 /kernel/sys.c
parentf6630114d9198aa959ac95c131334c020038f253 (diff)
parent047106adcc85e3023da210143a6ab8a55df9e0fc (diff)
Merge branch 'sched/urgent' into sched/core
Merge reason: Pick up fixes that did not make it into .32.0 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 255475d163e0..ce17760d9c51 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1110,6 +1110,8 @@ SYSCALL_DEFINE0(setsid)
1110 err = session; 1110 err = session;
1111out: 1111out:
1112 write_unlock_irq(&tasklist_lock); 1112 write_unlock_irq(&tasklist_lock);
1113 if (err > 0)
1114 proc_sid_connector(group_leader);
1113 return err; 1115 return err;
1114} 1116}
1115 1117
@@ -1546,24 +1548,37 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
1546 if (arg4 | arg5) 1548 if (arg4 | arg5)
1547 return -EINVAL; 1549 return -EINVAL;
1548 switch (arg2) { 1550 switch (arg2) {
1549 case 0: 1551 case PR_MCE_KILL_CLEAR:
1550 if (arg3 != 0) 1552 if (arg3 != 0)
1551 return -EINVAL; 1553 return -EINVAL;
1552 current->flags &= ~PF_MCE_PROCESS; 1554 current->flags &= ~PF_MCE_PROCESS;
1553 break; 1555 break;
1554 case 1: 1556 case PR_MCE_KILL_SET:
1555 current->flags |= PF_MCE_PROCESS; 1557 current->flags |= PF_MCE_PROCESS;
1556 if (arg3 != 0) 1558 if (arg3 == PR_MCE_KILL_EARLY)
1557 current->flags |= PF_MCE_EARLY; 1559 current->flags |= PF_MCE_EARLY;
1558 else 1560 else if (arg3 == PR_MCE_KILL_LATE)
1559 current->flags &= ~PF_MCE_EARLY; 1561 current->flags &= ~PF_MCE_EARLY;
1562 else if (arg3 == PR_MCE_KILL_DEFAULT)
1563 current->flags &=
1564 ~(PF_MCE_EARLY|PF_MCE_PROCESS);
1565 else
1566 return -EINVAL;
1560 break; 1567 break;
1561 default: 1568 default:
1562 return -EINVAL; 1569 return -EINVAL;
1563 } 1570 }
1564 error = 0; 1571 error = 0;
1565 break; 1572 break;
1566 1573 case PR_MCE_KILL_GET:
1574 if (arg2 | arg3 | arg4 | arg5)
1575 return -EINVAL;
1576 if (current->flags & PF_MCE_PROCESS)
1577 error = (current->flags & PF_MCE_EARLY) ?
1578 PR_MCE_KILL_EARLY : PR_MCE_KILL_LATE;
1579 else
1580 error = PR_MCE_KILL_DEFAULT;
1581 break;
1567 default: 1582 default:
1568 error = -EINVAL; 1583 error = -EINVAL;
1569 break; 1584 break;