On Thu, Sep 15, 2016 at 12:37 PM, Andy Lutomirski wrote:
> On Thu, Sep 15, 2016 at 12:11 PM, Kyle Huey wrote:
>> On Thu, Sep 15, 2016 at 3:25 AM, Jan Beulich wrote:
>> On 15.09.16 at 12:05, wrote:
On 14/09/16 22:01, Kyle Huey wrote:
> Xen advertises the underlying support for CPUID
On Thu, Sep 15, 2016 at 1:38 PM, H. Peter Anvin wrote:
> On September 14, 2016 6:17:51 PM PDT, Andy Lutomirski
> wrote:
>>On Wed, Sep 14, 2016 at 3:03 PM, Kyle Huey wrote:
>>> On Wed, Sep 14, 2016 at 2:35 PM, Dave Hansen
>>> wrote:
On 09/14/2016 02:01 PM, Kyle Huey wrote:
>>
Is any o
On September 14, 2016 6:17:51 PM PDT, Andy Lutomirski
wrote:
>On Wed, Sep 14, 2016 at 3:03 PM, Kyle Huey wrote:
>> On Wed, Sep 14, 2016 at 2:35 PM, Dave Hansen
>> wrote:
>>> On 09/14/2016 02:01 PM, Kyle Huey wrote:
>
>>> Is any of this useful to optimize away at compile-time? We have
>config
>
On 09/15/2016 03:11 PM, Kyle Huey wrote:
> On Thu, Sep 15, 2016 at 3:25 AM, Jan Beulich wrote:
> On 15.09.16 at 12:05, wrote:
>>> On 14/09/16 22:01, Kyle Huey wrote:
Xen advertises the underlying support for CPUID faulting but not does pass
through writes to the relevant MSR, nor do
On Thu, Sep 15, 2016 at 12:11 PM, Kyle Huey wrote:
> On Thu, Sep 15, 2016 at 3:25 AM, Jan Beulich wrote:
> On 15.09.16 at 12:05, wrote:
>>> On 14/09/16 22:01, Kyle Huey wrote:
Xen advertises the underlying support for CPUID faulting but not does pass
through writes to the relevant
On Thu, Sep 15, 2016 at 3:25 AM, Jan Beulich wrote:
On 15.09.16 at 12:05, wrote:
>> On 14/09/16 22:01, Kyle Huey wrote:
>>> Xen advertises the underlying support for CPUID faulting but not does pass
>>> through writes to the relevant MSR, nor does it virtualize it, so it does
>>> not actuall
>>> On 15.09.16 at 12:05, wrote:
> On 14/09/16 22:01, Kyle Huey wrote:
>> Xen advertises the underlying support for CPUID faulting but not does pass
>> through writes to the relevant MSR, nor does it virtualize it, so it does
>> not actually work. For now mask off the relevant bit on MSR_PLATFORM_
On 14/09/16 22:35, Dave Hansen wrote:
> On 09/14/2016 02:01 PM, Kyle Huey wrote:
>> Xen advertises the underlying support for CPUID faulting but not does pass
>> through writes to the relevant MSR, nor does it virtualize it, so it does
>> not actually work. For now mask off the relevant bit on MSR_
On 14/09/16 22:01, Kyle Huey wrote:
> Xen advertises the underlying support for CPUID faulting but not does pass
> through writes to the relevant MSR, nor does it virtualize it, so it does
> not actually work. For now mask off the relevant bit on MSR_PLATFORM_INFO.
Could you clarify in the commit
On Wed, Sep 14, 2016 at 6:17 PM, Andy Lutomirski wrote:
> On Wed, Sep 14, 2016 at 3:03 PM, Kyle Huey wrote:
>> On Wed, Sep 14, 2016 at 2:35 PM, Dave Hansen
>> wrote:
>>> On 09/14/2016 02:01 PM, Kyle Huey wrote:
>
>>> Is any of this useful to optimize away at compile-time? We have config
>>> opt
On Wed, Sep 14, 2016 at 2:35 PM, Dave Hansen
wrote:
> On 09/14/2016 02:01 PM, Kyle Huey wrote:
>> Xen advertises the underlying support for CPUID faulting but not does pass
>> through writes to the relevant MSR, nor does it virtualize it, so it does
>> not actually work. For now mask off the relev
On Wed, Sep 14, 2016 at 3:03 PM, Kyle Huey wrote:
> On Wed, Sep 14, 2016 at 2:35 PM, Dave Hansen
> wrote:
>> On 09/14/2016 02:01 PM, Kyle Huey wrote:
>> Is any of this useful to optimize away at compile-time? We have config
>> options for when we're running as a guest, and this seems like a fea
Xen advertises the underlying support for CPUID faulting but not does pass
through writes to the relevant MSR, nor does it virtualize it, so it does
not actually work. For now mask off the relevant bit on MSR_PLATFORM_INFO.
Signed-off-by: Kyle Huey
---
arch/x86/include/asm/cpufeatures.h | 1 +
On 09/14/2016 02:01 PM, Kyle Huey wrote:
> Xen advertises the underlying support for CPUID faulting but not does pass
> through writes to the relevant MSR, nor does it virtualize it, so it does
> not actually work. For now mask off the relevant bit on MSR_PLATFORM_INFO.
That needs to make it into
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