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vircgroup: no need to use PID in virCgroupEnableMissingControllers

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This function is relevant only with cgroups v1 where it creates
hierarchy for controllers that are not managed by systemd. PID is used
to detect a placement of current process but in this situation we are
building the hierarchy for already known placement.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Pavel Hrdina 2020-10-15 16:59:03 +02:00
parent 13958a8c5b
commit c16da281e4
1 changed files with 2 additions and 5 deletions
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7
src/util/vircgroup.c
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@ -1112,14 +1112,13 @@ virCgroupNewDetectMachine(const char *name,
static int
virCgroupEnableMissingControllers(char *path,
pid_t pidleader,
int controllers,
virCgroupPtr *group)
{
g_autoptr(virCgroup) parent = NULL;
char *offset = path;
if (virCgroupNew(pidleader,
if (virCgroupNew(-1,
"/",
controllers,
&parent) < 0)
@ -1213,10 +1212,8 @@ virCgroupNewMachineSystemd(const char *name,
return -2;
}
if (virCgroupEnableMissingControllers(path, pidleader,
controllers, &newGroup) < 0) {
if (virCgroupEnableMissingControllers(path, controllers, &newGroup) < 0)
return -1;
}
if (virCgroupAddProcess(newGroup, pidleader) < 0) {
virErrorPtr saved;