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From: Huang Rui <ray.huang@amd.com>
To: Borislav Petkov <bp@suse.de>
Cc: "Peter Zijlstra" <peterz@infradead.org>,
	"Andy Lutomirski" <luto@amacapital.net>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	"Len Brown" <lenb@kernel.org>,
	"John Stultz" <john.stultz@linaro.org>,
	"Frédéric Weisbecker" <fweisbec@gmail.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"X86 ML" <x86@kernel.org>,
	"Fengguang Wu" <fengguang.wu@intel.com>,
	"Aaron Lu" <aaron.lu@intel.com>,
	"Suravee Suthikulanit" <suravee.suthikulpanit@amd.com>,
	"Tony Li" <tony.li@amd.com>, "Ken Xue" <ken.xue@amd.com>
Subject: Re: [PATCH v3 2/2] x86, mwaitt: introduce mwaix delay with a configurable timer
Date: Fri, 12 Jun 2015 16:23:21 +0800	[thread overview]
Message-ID: <20150612082320.GA24776@hr-slim.amd.com> (raw)
In-Reply-To: <20150612083033.GA9257@pd.tnic>

On Fri, Jun 12, 2015 at 10:30:33AM +0200, Borislav Petkov wrote:
> 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.
> 

OK, will do it. :)

Thanks,
Rui

      reply	other threads:[~2015-06-12  8:35 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-11 14:14 [PATCH v3 0/2] x86, mwaitt: introduce AMD mwaitt support Huang Rui
2015-06-11 14:14 ` [PATCH v3 1/2] x86, mwaitt: add monitorx and mwaitx instruction Huang Rui
2015-06-11 14:19   ` Borislav Petkov
2015-06-11 14:14     ` Huang Rui
2015-06-11 14:14 ` [PATCH v3 2/2] x86, mwaitt: introduce mwaix delay with a configurable timer Huang Rui
2015-06-11 17:34   ` Andy Lutomirski
2015-06-12  4:03     ` Huang Rui
2015-06-12  7:38       ` Peter Zijlstra
2015-06-12  7:50         ` Huang Rui
2015-06-12  8:30           ` Borislav Petkov
2015-06-12  8:23             ` Huang Rui [this message]

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