Re: [Xen-devel] [PATCH] x86/mwait-idle: Graceful probe failure when MWAIT is disabled

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Thu, Nov 22, 2018 at 02:58:03AM -0700, Jan Beulich wrote:
> When MWAIT is disabled, intel_idle refuses to probe.
> But it may mis-lead the user by blaming this on the model number:
> 
> intel_idle: does not run on family 6 modesl 79
> 
> So defer the check for MWAIT until after the model# white-list check succeeds,
> and if the MWAIT check fails, tell the user how to fix it:
> 
> intel_idle: Please enable MWAIT in BIOS SETUP
> 
> Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> [Linux commit: a4c447533a18ee86e07232d6344ba12b1f9c5077]
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Thanks.

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