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From 6d526969ab72e7c35b988a7154d8343001a05208 Mon Sep 17 00:00:00 2001
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Message-Id: <6d526969ab72e7c35b988a7154d8343001a05208@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Thu, 25 Jul 2019 13:37:02 +0200
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Subject: [PATCH] vircgroupv2: store enabled controllers
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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In cgroups v2 when a new group is created by default no controller is
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enabled so the detection code will not detect any controllers.
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When enabling the controllers we should also store them for the group.
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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Acked-by: Peter Krempa <pkrempa@redhat.com>
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(cherry picked from commit 56fdf3f025207a550726767e3f0ec1f290603ba4)
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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Message-Id: <3cef886d4257a746e5a7182246d5457664d8bcec.1564054553.git.phrdina@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/util/vircgroupv2.c | 11 +++++++----
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1 file changed, 7 insertions(+), 4 deletions(-)
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diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
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index 7b3cd64cc5..9ae47e775e 100644
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--- a/src/util/vircgroupv2.c
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+++ b/src/util/vircgroupv2.c
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@@ -364,7 +364,8 @@ virCgroupV2PathOfController(virCgroupPtr group,
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* 0 on success
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*/
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static int
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-virCgroupV2EnableController(virCgroupPtr parent,
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+virCgroupV2EnableController(virCgroupPtr group,
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+ virCgroupPtr parent,
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int controller,
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bool report)
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{
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@@ -390,6 +391,8 @@ virCgroupV2EnableController(virCgroupPtr parent,
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return -2;
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}
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+ group->unified.controllers |= 1 << controller;
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+
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return 0;
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}
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@@ -431,14 +434,14 @@ virCgroupV2MakeGroup(virCgroupPtr parent ATTRIBUTE_UNUSED,
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}
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if (virCgroupV2HasController(parent, VIR_CGROUP_CONTROLLER_CPU) &&
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- virCgroupV2EnableController(parent,
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+ virCgroupV2EnableController(group, parent,
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VIR_CGROUP_CONTROLLER_CPU,
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true) < 0) {
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return -1;
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}
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if (virCgroupV2HasController(parent, VIR_CGROUP_CONTROLLER_CPUSET) &&
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- virCgroupV2EnableController(parent,
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+ virCgroupV2EnableController(group, parent,
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VIR_CGROUP_CONTROLLER_CPUSET,
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true) < 0) {
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return -1;
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@@ -455,7 +458,7 @@ virCgroupV2MakeGroup(virCgroupPtr parent ATTRIBUTE_UNUSED,
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if (i == VIR_CGROUP_CONTROLLER_CPUACCT)
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continue;
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- rc = virCgroupV2EnableController(parent, i, false);
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+ rc = virCgroupV2EnableController(group, parent, i, false);
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if (rc < 0) {
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if (rc == -2) {
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virResetLastError();
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--
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2.22.0
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