eabdullin
2daa9ba65a
- qemu: domain: Check arch in qemuDomainMakeCPUMigratable - conf: cpu: Introduce virCPUDefListFeatures - qemu: domain: Drop added features from migratable CPU - Add vmx-* features to Broadwell* - Add vmx-* features to Cascadelake* - Add vmx-* features to Conroe - Add vmx-* features to Cooperlake - Add vmx-* features to core2duo - Add vmx-* features to Haswell* - Add vmx-* features to Icelake* - Add vmx-* features to IvyBridge* - Add vmx-* features to kvm* - Add vmx-* features to Nehalem* - Add vmx-* features to Penryn - Add vmx-* features to SandyBridge* - Add vmx-* features to SapphireRapids - Add vmx-* features to Skylake* - Add vmx-* features to Snowridge - Add vmx-* features to Westmere* - qemu: virtiofs: do not crash if cgroups are missing - qemu: virtiofs: set correct label when creating the socket - qemu: virtiofs: error out if getting the group or user name fails
35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From a9da0092198ba2f278cea370f8251f2e29f57c7d Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
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Date: Tue, 5 Mar 2024 14:55:26 +0100
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Subject: [PATCH] qemu: virtiofs: do not crash if cgroups are missing
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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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On domain startup, qemuSetupCgroupForExtDevices checks
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if a cgroup controller is present and skips the setup if not.
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Add a similar check to qemuVirtioFSSetupCgroup to prevent
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crashing when hotplugging a virtiofs filesystem.
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Signed-off-by: Ján Tomko <jtomko@redhat.com>
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Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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---
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src/qemu/qemu_virtiofs.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/src/qemu/qemu_virtiofs.c b/src/qemu/qemu_virtiofs.c
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index d539d0a192e..15dea3bb57f 100644
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--- a/src/qemu/qemu_virtiofs.c
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+++ b/src/qemu/qemu_virtiofs.c
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@@ -353,6 +353,9 @@ qemuVirtioFSSetupCgroup(virDomainObj *vm,
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pid_t pid = -1;
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int rc;
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+ if (!cgroup)
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+ return 0;
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+
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if (!(pidfile = qemuVirtioFSCreatePidFilename(vm, fs->info.alias)))
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return -1;
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