Friday, May 1, 2015, 12:37:54 PM, you wrote:
> On 30/04/15 20:08, Boris Ostrovsky wrote:
>> Commit 61f01dd941ba ("x86_64, asm: Work around AMD SYSRET SS descriptor
>> attribute issue") makes AMD processors set SS to __KERNEL_DS in
>> __switch_to() to deal with cases when SS is NULL.
>>
>> This b
On 30/04/15 20:08, Boris Ostrovsky wrote:
> Commit 61f01dd941ba ("x86_64, asm: Work around AMD SYSRET SS descriptor
> attribute issue") makes AMD processors set SS to __KERNEL_DS in
> __switch_to() to deal with cases when SS is NULL.
>
> This breaks Xen PV guests who do not want to load SS with__K
On 04/30/2015 03:35 PM, Andy Lutomirski wrote:
On Thu, Apr 30, 2015 at 12:30 PM, Boris Ostrovsky
wrote:
On 04/30/2015 03:17 PM, Andy Lutomirski wrote:
On Thu, Apr 30, 2015 at 12:08 PM, Boris Ostrovsky
wrote:
Commit 61f01dd941ba ("x86_64, asm: Work around AMD SYSRET SS descriptor
attribute is
On Thu, Apr 30, 2015 at 12:30 PM, Boris Ostrovsky
wrote:
> On 04/30/2015 03:17 PM, Andy Lutomirski wrote:
>>
>> On Thu, Apr 30, 2015 at 12:08 PM, Boris Ostrovsky
>> wrote:
>>>
>>> Commit 61f01dd941ba ("x86_64, asm: Work around AMD SYSRET SS descriptor
>>> attribute issue") makes AMD processors se
On 04/30/2015 03:17 PM, Andy Lutomirski wrote:
On Thu, Apr 30, 2015 at 12:08 PM, Boris Ostrovsky
wrote:
Commit 61f01dd941ba ("x86_64, asm: Work around AMD SYSRET SS descriptor
attribute issue") makes AMD processors set SS to __KERNEL_DS in
__switch_to() to deal with cases when SS is NULL.
This
On Thu, Apr 30, 2015 at 12:08 PM, Boris Ostrovsky
wrote:
> Commit 61f01dd941ba ("x86_64, asm: Work around AMD SYSRET SS descriptor
> attribute issue") makes AMD processors set SS to __KERNEL_DS in
> __switch_to() to deal with cases when SS is NULL.
>
> This breaks Xen PV guests who do not want to
Commit 61f01dd941ba ("x86_64, asm: Work around AMD SYSRET SS descriptor
attribute issue") makes AMD processors set SS to __KERNEL_DS in
__switch_to() to deal with cases when SS is NULL.
This breaks Xen PV guests who do not want to load SS with__KERNEL_DS.
Since the problem that the commit is tryi
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