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| author | Byungchul Park <byungchul.park@lge.com> | 2016-01-15 16:07:49 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-12 07:33:14 -0700 |
| commit | aab265efebfab78ba49e76c4bc77da87fd576134 (patch) | |
| tree | 38aa618a6b8f25045182be2feb5d35d70abaa151 /usr/Kconfig | |
| parent | 5fe34a9655e6844da16f3625b176bd94e4080c9a (diff) | |
| download | lwn-aab265efebfab78ba49e76c4bc77da87fd576134.tar.gz lwn-aab265efebfab78ba49e76c4bc77da87fd576134.zip | |
sched/fair: Avoid using decay_load_missed() with a negative value
commit 7400d3bbaa229eb8e7631d28fb34afd7cd2c96ff upstream.
decay_load_missed() cannot handle nagative values, so we need to prevent
using the function with a negative value.
Reported-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Byungchul Park <byungchul.park@lge.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Luiz Capitulino <lcapitulino@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul E . McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: perterz@infradead.org
Fixes: 59543275488d ("sched/fair: Prepare __update_cpu_load() to handle active tickless")
Link: http://lkml.kernel.org/r/20160115070749.GA1914@X58A-UD3R
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'usr/Kconfig')
0 files changed, 0 insertions, 0 deletions