Re: [PATCH v5 3/6] arch/x86/mm/pat: export pat_enabled()

Borislav Petkov
2015-05-04T15:29:38Z

On Thu, Apr 30, 2015 at 01:25:17PM -0700, Luis R. Rodriguez wrote:
> From: "Luis R. Rodriguez" <mcgrof@suse.com>
>
> Two Linux device drivers cannot work with PAT and the work
> required to make them work is significant. There is not
> enough motivation to convert these drivers over to use
> PAT properly, the compromise reached is to let drivers
> that cannot be ported to PAT check if PAT was enabled
> and if so fail on probe with a recommendation to boot
> with the "nopat" kernel parameter.
>
> Cc: Andy Walls <awalls@md.metrocast.net>
> Cc: Doug Ledford <dledford@redhat.com>
> Cc: Andy Lutomirski <luto@amacapital.net>
> Cc: Ingo Molnar <mingo@elte.hu>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Juergen Gross <jgross@suse.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Dave Airlie <airlied@redhat.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Borislav Petkov <bp@suse.de>
> Cc: Michael S. Tsirkin <mst@redhat.com>
> Cc: linux-kernel@vger.kernel.org
> Cc: x86@kernel.org
> Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
> ---
> arch/x86/mm/pat.c | 1 +
> 1 file changed, 1 insertion(+)

Applied, thanks.

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.
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