Re: [PATCH v3 2/2] x86, mwaitt: introduce mwaix delay with a configurable timer

From: Borislav Petkov
Date: Fri Jun 12 2015 - 04:30:56 EST


On Fri, Jun 12, 2015 at 03:50:33PM +0800, Huang Rui wrote:
> Yeah, but I remembered at last time, someone tell me we shouldn't
> force to set timer always enabled. So I add this interface to expose
> more clearly. :)

Yeah, but this interface would make users go and look at it and try to
remember what the enable parameter stood for.

> So could I use __mwaitx directly like below:
>
> __monitorx(&dummy, 0, 0);
> __mwaitx(0xf, delay, MWAITX_ECX_TIMER_ENABLE);

Yes, this is more straight-forward and what the hardware instructions
take, so more intuitive.

Thanks.

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.
--
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/