From: Peter Krempa <pkrempa@redhat.com>
Date: Tue, 18 Jan 2022 09:08:03 +0000 (+0100)
Subject: qemuDomainPinIOThread: Update live definition after process pinning
X-Git-Tag: v8.1.0-rc1~410
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ce20fe5c2abd8b5bf2064452a7fc9ca54eecaf1f;p=thirdparty%2Flibvirt.git

qemuDomainPinIOThread: Update live definition after process pinning

Otherwise we'll keep using the new pinning value even if it can't be
applied to the thread.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2040555
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
---

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 077547e1d3..3c0c81a6b9 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -5018,10 +5018,6 @@ qemuDomainPinIOThread(virDomainPtr dom,
             goto endjob;
         }
 
-        virBitmapFree(iothrid->cpumask);
-        iothrid->cpumask = virBitmapNewCopy(pcpumap);
-        iothrid->autofill = false;
-
         /* Configure the corresponding cpuset cgroup before set affinity. */
         if (virCgroupHasController(priv->cgroup,
                                    VIR_CGROUP_CONTROLLER_CPUSET)) {
@@ -5039,6 +5035,10 @@ qemuDomainPinIOThread(virDomainPtr dom,
         if (virProcessSetAffinity(iothrid->thread_id, pcpumap, false) < 0)
             goto endjob;
 
+        virBitmapFree(iothrid->cpumask);
+        iothrid->cpumask = virBitmapNewCopy(pcpumap);
+        iothrid->autofill = false;
+
         qemuDomainSaveStatus(vm);
 
         if (g_snprintf(paramField, VIR_TYPED_PARAM_FIELD_LENGTH,