diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2017-02-02 16:55:06 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-02-24 08:58:33 +0100 |
| commit | 8cb68b343a66cf19834472012590490d34d31703 (patch) | |
| tree | 9fb6c71ddb2c046c0aaceb748248d94cc74a351d /tools/testing/radix-tree/linux.c | |
| parent | 2bfe01eff4307409b95859e860261d0907149b61 (diff) | |
sched/core: Fix update_rq_clock() splat on hotplug (and suspend/resume)
The hotplug code still triggers the warning about using a stale
rq->clock value.
Fix things up to actually run update_rq_clock() in a place where we
record the 'UPDATED' flag, and then modify the annotation to retain
this flag over the rq->lock fiddling that happens as a result of
actually migrating all the tasks elsewhere.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Mike Galbraith <efault@gmx.de>
Tested-by: Sachin Sant <sachinp@linux.vnet.ibm.com>
Tested-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ross Zwisler <zwisler@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 4d25b35ea372 ("sched/fair: Restore previous rq_flags when migrating tasks in hotplug")
Link: http://lkml.kernel.org/r/20170202155506.GX6515@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/testing/radix-tree/linux.c')
0 files changed, 0 insertions, 0 deletions