On Wed, Sep 2, 2020 at 12:31 PM wrote:
>
> On Wed, Sep 02, 2020 at 06:24:27PM +0200, Jürgen Groß wrote:
> > On 02.09.20 17:58, Brian Gerst wrote:
> > > On Wed, Sep 2, 2020 at 9:38 AM Peter Zijlstra
> > > wrote:
> > > >
> > > > From: Peter Zijlstra
> > > >
> > > > The WARN added in commit
On Wed, Sep 02, 2020 at 06:24:27PM +0200, Jürgen Groß wrote:
> On 02.09.20 17:58, Brian Gerst wrote:
> > On Wed, Sep 2, 2020 at 9:38 AM Peter Zijlstra wrote:
> > >
> > > From: Peter Zijlstra
> > >
> > > The WARN added in commit 3c73b81a9164 ("x86/entry, selftests: Further
> > > improve user
On 02/09/2020 16:58, Brian Gerst wrote:
> On Wed, Sep 2, 2020 at 9:38 AM Peter Zijlstra wrote:
>> From: Peter Zijlstra
>>
>> The WARN added in commit 3c73b81a9164 ("x86/entry, selftests: Further
>> improve user entry sanity checks") unconditionally triggers on my IVB
>> machine because it does
On 02.09.20 17:58, Brian Gerst wrote:
On Wed, Sep 2, 2020 at 9:38 AM Peter Zijlstra wrote:
From: Peter Zijlstra
The WARN added in commit 3c73b81a9164 ("x86/entry, selftests: Further
improve user entry sanity checks") unconditionally triggers on my IVB
machine because it does not support
On Wed, Sep 2, 2020 at 9:38 AM Peter Zijlstra wrote:
>
> From: Peter Zijlstra
>
> The WARN added in commit 3c73b81a9164 ("x86/entry, selftests: Further
> improve user entry sanity checks") unconditionally triggers on my IVB
> machine because it does not support SMAP.
>
> For !SMAP hardware we
From: Peter Zijlstra
The WARN added in commit 3c73b81a9164 ("x86/entry, selftests: Further
improve user entry sanity checks") unconditionally triggers on my IVB
machine because it does not support SMAP.
For !SMAP hardware we patch out CLAC/STAC instructions and thus if
userspace sets AC, we'll
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