On Tue, Dec 15, 2015 at 12:40 PM, Andrew Cooper
wrote:
> On 19/11/15 22:07, Andy Lutomirski wrote:
>> On Thu, Nov 19, 2015 at 1:55 PM, Boris Ostrovsky
>> wrote:
>>> The first patch fixes Xen PV regression introduced by 32-bit rewrite.
>>> Unlike the
>>> earlier version it uses ALTERNATIVE instru
On 19/11/15 22:07, Andy Lutomirski wrote:
> On Thu, Nov 19, 2015 at 1:55 PM, Boris Ostrovsky
> wrote:
>> The first patch fixes Xen PV regression introduced by 32-bit rewrite. Unlike
>> the
>> earlier version it uses ALTERNATIVE instruction and avoids using xen_sysexit
>> (and sysret32 in compat m
On Thu, Nov 19, 2015 at 04:55:44PM -0500, Boris Ostrovsky wrote:
> The first patch fixes Xen PV regression introduced by 32-bit rewrite. Unlike
> the
> earlier version it uses ALTERNATIVE instruction and avoids using xen_sysexit
> (and sysret32 in compat mode) pv ops, as suggested by Andy.
>
> As
On Thu, Nov 19, 2015 at 1:55 PM, Boris Ostrovsky
wrote:
> The first patch fixes Xen PV regression introduced by 32-bit rewrite. Unlike
> the
> earlier version it uses ALTERNATIVE instruction and avoids using xen_sysexit
> (and sysret32 in compat mode) pv ops, as suggested by Andy.
>
> As result o
The first patch fixes Xen PV regression introduced by 32-bit rewrite. Unlike the
earlier version it uses ALTERNATIVE instruction and avoids using xen_sysexit
(and sysret32 in compat mode) pv ops, as suggested by Andy.
As result of this patch irq_enable_sysexit and usergs_sysret32 pv ops are not
us
