On Wed, Oct 11, 2017 at 06:24:03PM -0700, Ricardo Neri wrote:
> On the other hand, in long mode, hardware ignore all segment registers except
> FS
> and GS.
Yap.
> Hence, I guess I can remove the check in question.
Thx.
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jan
On Wed, 2017-10-11 at 22:16 +0200, Borislav Petkov wrote:
> On Wed, Oct 11, 2017 at 12:57:01PM -0700, Ricardo Neri wrote:
> >
> > This is meant to be an error case. In long mode,
> > only INAT_SEG_REG_IGNORE/FS/GS
> > are valid. All other indices are invalid.
> >
> > Perhaps we could return -EINV
On Wed, Oct 11, 2017 at 12:57:01PM -0700, Ricardo Neri wrote:
> This is meant to be an error case. In long mode, only
> INAT_SEG_REG_IGNORE/FS/GS
> are valid. All other indices are invalid.
>
> Perhaps we could return -EINVAL instead?
So, my question is, when are you ever going to have that case
On Wed, 2017-10-11 at 17:15 +0200, Borislav Petkov wrote:
> On Tue, Oct 03, 2017 at 08:54:18PM -0700, Ricardo Neri wrote:
> >
> > With segmentation, the base address of the segment is needed to compute a
> > linear address. This base address is obtained from the applicable segment
> > descriptor.
On Tue, Oct 03, 2017 at 08:54:18PM -0700, Ricardo Neri wrote:
> With segmentation, the base address of the segment is needed to compute a
> linear address. This base address is obtained from the applicable segment
> descriptor. Such segment descriptor is referenced from a segment selector.
...
>
With segmentation, the base address of the segment is needed to compute a
linear address. This base address is obtained from the applicable segment
descriptor. Such segment descriptor is referenced from a segment selector.
These new functions obtain the segment base and limit of the segment
selecto
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