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| author | Giovanni Gherdovich <ggherdovich@suse.cz> | 2020-05-31 20:24:53 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-19 08:23:25 +0200 |
| commit | 1e2ee6ae45dcb563ffdb951e888b96b0b5d53747 (patch) | |
| tree | e9ab5e952d6279cf49192e4c1c448691d01145c6 /kernel | |
| parent | cdbaa685222f1f312c79705aa3f253421d1465d2 (diff) | |
x86, sched: Bail out of frequency invariance if turbo_freq/base_freq gives 0
[ Upstream commit f4291df103315a696f0b8c4f45ca8ae773c17441 ]
Be defensive against the case where the processor reports a base_freq
larger than turbo_freq (the ratio would be zero).
Fixes: 1567c3e3467c ("x86, sched: Add support for frequency invariance")
Signed-off-by: Giovanni Gherdovich <ggherdovich@suse.cz>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lkml.kernel.org/r/20200531182453.15254-4-ggherdovich@suse.cz
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions