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util: vircgroupv2: enable CPU controller only if it's available

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It might happen that we are not able to enable CPU controller so we
can enable it for thread sub-cgroups only if it's available in parent
cgroup.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Pavel Hrdina 2019-06-20 13:09:08 +02:00
parent 535bdf83c0
commit f9d1c08557
1 changed files with 2 additions and 1 deletions
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3
src/util/vircgroupv2.c
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@ -404,7 +404,8 @@ virCgroupV2MakeGroup(virCgroupPtr parent ATTRIBUTE_UNUSED,
return -1;
}
if (virCgroupV2EnableController(parent,
if (virCgroupV2HasController(parent, VIR_CGROUP_CONTROLLER_CPU) &&
virCgroupV2EnableController(parent,
VIR_CGROUP_CONTROLLER_CPU) < 0) {
return -1;
}