On Wed, 2016-03-23 at 09:51 +0100, Borislav Petkov wrote:
> On Tue, Mar 22, 2016 at 03:40:45PM -0600, Toshi Kani wrote:
> > Will change to "Prevent the OS from initializing the PAT MSR".
> >
> > I wanted to clarify that "disable" does not mean to disable PAT MSR.
>
> How do you "disable PAT MSR"
On Tue, Mar 22, 2016 at 03:40:45PM -0600, Toshi Kani wrote:
> Will change to "Prevent the OS from initializing the PAT MSR".
>
> I wanted to clarify that "disable" does not mean to disable PAT MSR.
How do you "disable PAT MSR" ?
I think you're overdocumenting this. pat_disable() is as clear as
On Tue, 2016-03-22 at 17:59 +0100, Borislav Petkov wrote:
> On Wed, Mar 16, 2016 at 06:46:55PM -0600, Toshi Kani wrote:
> > In preparation to fix a regression caused by 'commit 9cd25aac1f44
> > ("x86/mm/pat: Emulate PAT when it is disabled")', PAT needs to
> > provide an interface that disables
On Wed, Mar 16, 2016 at 06:46:55PM -0600, Toshi Kani wrote:
> In preparation to fix a regression caused by 'commit 9cd25aac1f44
> ("x86/mm/pat: Emulate PAT when it is disabled")', PAT needs to
> provide an interface that disables the OS to initialize PAT MSR.
prevents the
In preparation to fix a regression caused by 'commit 9cd25aac1f44
("x86/mm/pat: Emulate PAT when it is disabled")', PAT needs to
provide an interface that disables the OS to initialize PAT MSR.
PAT MSR initialization must be done on all CPUs with the specific
sequence of operations defined in
