Re: [PATCH v2] qemu: Do not silently allow non-available timers on non-x86 systems

libvirt currently silently allows <timer name="kvmclock"/> and some other timer tags in the guest XML definition for timers that do not exist on non-x86 systems. We should not silently ignore these tags since the users might not get what they expected otherwise. Note: The error is only generated if the timer is marked with present="yes" - otherwise we would suddenly refuse XML definitions that worked without problems before. Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1754887 Signed-off-by: Thomas Huth <thuth(a)redhat.com&gt; --- v2: Check also for timer->present == 1 src/qemu/qemu_validate.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c index 488f258d00..561e7b12c7 100644 --- a/src/qemu/qemu_validate.c +++ b/src/qemu/qemu_validate.c @@ -371,6 +371,18 @@ qemuValidateDomainDefClockTimers(const virDomainDef *def, case VIR_DOMAIN_TIMER_NAME_TSC: case VIR_DOMAIN_TIMER_NAME_KVMCLOCK: case VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK: + if (!ARCH_IS_X86(def->os.arch) && timer->present == 1) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, + _("Configuring the '%s' timer is not supported " + "for virtType=%s arch=%s machine=%s guests"), + virDomainTimerNameTypeToString(timer->name), + virDomainVirtTypeToString(def->virtType), + virArchToString(def->os.arch), + def->os.machine); + return -1; + } + break; + case VIR_DOMAIN_TIMER_NAME_LAST: break;