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qemu: do not compare missing cpu data 

For x86, we invalidate qemu caps cache if the host CPUID changed.
However other cpu drivers do not have the 'getHostData' function
implemented.

Skip the comparison if we do not have host CPUData available,
since virCPUDataIsIdentical always returns an error in that case.

https://bugzilla.redhat.com/show_bug.cgi?id=2030119

Fixes: 3bc6f46d30
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Ján Tomko 2021-12-08 13:13:35 +01:00
parent 4cc91f26d0
commit 33538bc46b
1 changed files with 2 additions and 2 deletions
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4
src/qemu/qemu_capabilities.c
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@ -4943,8 +4943,8 @@ virQEMUCapsIsValid(void *data,
return false;
}
if (virCPUDataIsIdentical(priv->cpuData, qemuCaps->cpuData) !=
VIR_CPU_COMPARE_IDENTICAL) {
if (priv->cpuData &&
virCPUDataIsIdentical(priv->cpuData, qemuCaps->cpuData) != VIR_CPU_COMPARE_IDENTICAL) {
VIR_DEBUG("Outdated capabilities for '%s': host cpuid changed",
qemuCaps->binary);
return false;