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| author | Vegard Nossum | 2016-07-22 21:46:02 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2016-08-10 16:13:48 +0200 |
| commit | f0b22e39e3409109d40ef036b1f46b419e82f58e (patch) | |
| tree | f28ba79c4332f882688f5f7d6b2e8b3fbe114c37 /kernel/sched/core.c | |
| parent | sched/debug: Make the "Preemption disabled at ..." message more useful (diff) | |
| download | kernel-qcow2-linux-f0b22e39e3409109d40ef036b1f46b419e82f58e.tar.gz kernel-qcow2-linux-f0b22e39e3409109d40ef036b1f46b419e82f58e.tar.xz kernel-qcow2-linux-f0b22e39e3409109d40ef036b1f46b419e82f58e.zip | |
sched/debug: Add taint on "BUG: Sleeping function called from invalid context"
Seeing this, it occurs to me that we should probably add a taint here:
BUG: sleeping function called from invalid context at mm/slab.h:388
in_atomic(): 0, irqs_disabled(): 0, pid: 32211, name: trinity-c3
Preemption disabled at:[<ffffffff811aaa37>] console_unlock+0x2f7/0x930
CPU: 3 PID: 32211 Comm: trinity-c3 Not tainted 4.7.0-rc7+ #19
^^^^^^^^^^^
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
0000000000000000 ffff8800b8a17160 ffffffff81971441 ffff88011a3c4c80
ffff88011a3c4c80 ffff8800b8a17198 ffffffff81158067 0000000000000de6
ffff88011a3c4c80 ffffffff8390e07c 0000000000000184 0000000000000000
Call Trace:
[...]
BUG: sleeping function called from invalid context at arch/x86/mm/fault.c:1309
in_atomic(): 0, irqs_disabled(): 0, pid: 32211, name: trinity-c3
Preemption disabled at:[<ffffffff8119db33>] down_trylock+0x13/0x80
CPU: 3 PID: 32211 Comm: trinity-c3 Not tainted 4.7.0-rc7+ #19
^^^^^^^^^^^
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
0000000000000000 ffff8800b8a17e08 ffffffff81971441 ffff88011a3c4c80
ffff88011a3c4c80 ffff8800b8a17e40 ffffffff81158067 0000000000000000
ffff88011a3c4c80 ffffffff83437b20 000000000000051d 0000000000000000
Call Trace:
[...]
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rusty Russel <rusty@rustcorp.com.au>
Link: http://lkml.kernel.org/r/1469216762-19626-1-git-send-email-vegard.nossum@oracle.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index a65681605aef..3b6b23c57418 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -7608,6 +7608,7 @@ void ___might_sleep(const char *file, int line, int preempt_offset) pr_cont("\n"); } dump_stack(); + add_taint(TAINT_WARN, LOCKDEP_STILL_OK); } EXPORT_SYMBOL(___might_sleep); #endif |