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From 9193cc6a2395f2f26bcae2d990f78b2860b08ae9 Mon Sep 17 00:00:00 2001
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Message-Id: <9193cc6a2395f2f26bcae2d990f78b2860b08ae9@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Mon, 1 Jul 2019 17:08:10 +0200
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Subject: [PATCH] vircgroupv2: fix virCgroupV2ValidateMachineGroup
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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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When libvirt is reconnecting to running domain that uses cgroup v2
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the QEMU process reports cgroup for the emulator directory because the
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main thread is in that cgroup. We need to remove the "/emulator" part
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in order to match with the root cgroup directory name for that domain.
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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(cherry picked from commit 634bd528cb194439f0bea0815f579d0b0c1b1a92)
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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: <963bff76d79df2da95b1881fc9b7329be7b59d52.1561993100.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 | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
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index 5652fcfffb..8658454d8b 100644
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--- a/src/util/vircgroupv2.c
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+++ b/src/util/vircgroupv2.c
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@@ -121,6 +121,13 @@ virCgroupV2ValidateMachineGroup(virCgroupPtr group,
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if (!(tmp = strrchr(group->unified.placement, '/')))
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return false;
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+
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+ if (STREQ(tmp, "/emulator")) {
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+ *tmp = '\0';
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+
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+ if (!(tmp = strrchr(group->unified.placement, '/')))
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+ return false;
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+ }
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tmp++;
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if (STRNEQ(tmp, partmachinename) &&
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--
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2.22.0
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