From: Borislav Petkov <bp@suse.de>
To: Huang Rui <ray.huang@amd.com>
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 10:30:33 +0200 [thread overview]
Message-ID: <20150612083033.GA9257@pd.tnic> (raw)
In-Reply-To: <20150612075033.GA24767@hr-slim.amd.com>
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.
--
next prev parent reply other threads:[~2015-06-12 8:30 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 [this message]
2015-06-12 8:23 ` Huang Rui
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