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qemu: emulatorpin: Don't reset pinning when pinning to all cpus

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Similarly to a02a161bb8 remove the default
pinning assumption from emulatorpin.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1227180
This commit is contained in:
Peter Krempa 2015-06-12 15:53:05 +02:00
parent c4bdfafcbb
commit 4ed2b9a7e4
1 changed files with 2 additions and 11 deletions
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13
src/qemu/qemu_driver.c
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@ -5285,7 +5285,6 @@ qemuDomainPinEmulator(virDomainPtr dom,
virDomainDefPtr persistentDef;
int ret = -1;
qemuDomainObjPrivatePtr priv;
bool doReset = false;
virBitmapPtr pcpumap = NULL;
virQEMUDriverConfigPtr cfg = NULL;
virObjectEventPtr event = NULL;
@ -5329,12 +5328,6 @@ qemuDomainPinEmulator(virDomainPtr dom,
goto endjob;
}
/* pinning to all physical cpus means resetting,
* so check if we can reset setting.
*/
if (virBitmapIsAllSet(pcpumap))
doReset = true;
if (def) {
if (virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_CPUSET)) {
if (virCgroupNewThread(priv->cgroup, VIR_CGROUP_THREAD_EMULATOR,
@ -5359,8 +5352,7 @@ qemuDomainPinEmulator(virDomainPtr dom,
virBitmapFree(def->cputune.emulatorpin);
def->cputune.emulatorpin = NULL;
if (!doReset &&
!(def->cputune.emulatorpin = virBitmapNewCopy(pcpumap)))
if (!(def->cputune.emulatorpin = virBitmapNewCopy(pcpumap)))
goto endjob;
if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm) < 0)
@ -5380,8 +5372,7 @@ qemuDomainPinEmulator(virDomainPtr dom,
virBitmapFree(persistentDef->cputune.emulatorpin);
persistentDef->cputune.emulatorpin = NULL;
if (!doReset &&
!(persistentDef->cputune.emulatorpin = virBitmapNewCopy(pcpumap)))
if (!(persistentDef->cputune.emulatorpin = virBitmapNewCopy(pcpumap)))
goto endjob;
ret = virDomainSaveConfig(cfg->configDir, persistentDef);