| Message ID | 20181203201332.20287-1-wei@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/1] kvm: vmx: add cpu into VMX preemption timer bug list | expand |
On 03/12/18 21:13, Wei Huang wrote: > This patch adds Intel "Xeon CPU E3-1220 V2", with CPUID.01H.EAX=0x000306A8, > into the list of known broken CPUs which fail to support VMX preemption > timer. This bug was found while running the APIC timer test of > kvm-unit-test on this specific CPU, even though the errata info can't be > located in the public domain for this CPU. > > Signed-off-by: Wei Huang <wei@redhat.com> > --- > arch/x86/kvm/vmx.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c > index 02edd9960e9d..2b90be38c02e 100644 > --- a/arch/x86/kvm/vmx.c > +++ b/arch/x86/kvm/vmx.c > @@ -1764,6 +1764,8 @@ static u32 vmx_preemption_cpu_tfms[] = { > /* 321324.pdf - AAK139 - D0 - Xeon 5500 */ > /* 320836.pdf - AAJ124 - D0 - i7-900 Extreme and i7-900 Desktop */ > 0x000106A5, > + /* Xeon E3-1220 V2 */ > +0x000306A8, > }; > > static inline bool cpu_has_broken_vmx_preemption_timer(void) > Queued, thanks. Paolo
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 02edd9960e9d..2b90be38c02e 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1764,6 +1764,8 @@ static u32 vmx_preemption_cpu_tfms[] = { /* 321324.pdf - AAK139 - D0 - Xeon 5500 */ /* 320836.pdf - AAJ124 - D0 - i7-900 Extreme and i7-900 Desktop */ 0x000106A5, + /* Xeon E3-1220 V2 */ +0x000306A8, }; static inline bool cpu_has_broken_vmx_preemption_timer(void)
This patch adds Intel "Xeon CPU E3-1220 V2", with CPUID.01H.EAX=0x000306A8, into the list of known broken CPUs which fail to support VMX preemption timer. This bug was found while running the APIC timer test of kvm-unit-test on this specific CPU, even though the errata info can't be located in the public domain for this CPU. Signed-off-by: Wei Huang <wei@redhat.com> --- arch/x86/kvm/vmx.c | 2 ++ 1 file changed, 2 insertions(+)