On Tue, 2015-05-05 at 22:09 +0200, Borislav Petkov wrote:
> On Tue, May 05, 2015 at 01:31:32PM -0600, Toshi Kani wrote:
> > Well, the comment kinda says it already, but I will try to clarify it.
> >
> >/*
> > * We have start:end spanning across an MTRR.
> > * We
On Tue, May 05, 2015 at 01:31:32PM -0600, Toshi Kani wrote:
> Well, the comment kinda says it already, but I will try to clarify it.
>
>/*
> * We have start:end spanning across an MTRR.
> * We split the region into either
> * - start_state:1
>
On Tue, 2015-05-05 at 20:39 +0200, Borislav Petkov wrote:
> On Tue, May 05, 2015 at 11:32:08AM -0600, Toshi Kani wrote:
> > > Ok, I'm confused. Shouldn't the inclusive:1 case be
> > >
> > > (start:mtrr_start) (mtrr_start:mtrr_end) (mtrr_end:end)
> > >
> > > ?
> > >
> > > If so,
On Tue, May 05, 2015 at 11:32:08AM -0600, Toshi Kani wrote:
> > Ok, I'm confused. Shouldn't the inclusive:1 case be
> >
> > (start:mtrr_start) (mtrr_start:mtrr_end) (mtrr_end:end)
> >
> > ?
> >
> > If so, this function would need more changes...
>
> Yes, that's how it gets s
On Tue, 2015-05-05 at 19:11 +0200, Borislav Petkov wrote:
> On Tue, Mar 24, 2015 at 04:08:36PM -0600, Toshi Kani wrote:
> > When an MTRR entry is inclusive to a requested range, i.e.
> > the start and end of the request are not within the MTRR
> > entry range but the range contains the MTRR entry e
On Tue, Mar 24, 2015 at 04:08:36PM -0600, Toshi Kani wrote:
> When an MTRR entry is inclusive to a requested range, i.e.
> the start and end of the request are not within the MTRR
> entry range but the range contains the MTRR entry entirely,
> __mtrr_type_lookup() ignores such a case because both
>
When an MTRR entry is inclusive to a requested range, i.e.
the start and end of the request are not within the MTRR
entry range but the range contains the MTRR entry entirely,
__mtrr_type_lookup() ignores such a case because both
start_state and end_state are set to zero.
This bug can cause the fo
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