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scheduler: Restore IRQ affinity only if setting it succeeded

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Resolves: rhbz#1590937

Signed-off-by: Ondřej Lysoněk <olysonek@redhat.com>
This commit is contained in:
Ondřej Lysoněk 2018-07-02 23:14:45 +02:00
parent 97553260b2
commit 3534d7dabc
1 changed files with 4 additions and 3 deletions
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7
tuned/plugins/plugin_scheduler.py
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@ -580,9 +580,10 @@ class SchedulerPlugin(base.Plugin):
except KeyError:
continue
_affinity = self._get_intersect_affinity(prev_affinity, affinity, affinity)
if set(_affinity) != set(prev_affinity):
affinity_hex = self._cmd.cpulist2hex(_affinity)
self._set_irq_affinity(irq, affinity_hex)
if set(_affinity) == set(prev_affinity):
continue
affinity_hex = self._cmd.cpulist2hex(_affinity)
if self._set_irq_affinity(irq, affinity_hex):
irq_original.irqs[irq] = prev_affinity
# default affinity