From: Ingo Molnar <mingo@elte.hu>
To: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Jack Steiner <steiner@sgi.com>, Robin Holt <holt@sgi.com>,
tglx@linutronix.de, davej@redhat.com, yinghan@google.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] x86: Reduce clock calibration time during slave cpu startup
Date: Sat, 6 Aug 2011 08:58:20 +0200 [thread overview]
Message-ID: <20110806065820.GF13220@elte.hu> (raw)
In-Reply-To: <CAE9FiQWAmjTWGBLrqH9+_AH316Br-McW=PrSyiDWCtSYndL07w@mail.gmail.com>
* Yinghai Lu <yhlu.kernel@gmail.com> wrote:
> On Fri, Aug 5, 2011 at 6:16 AM, Jack Steiner <steiner@sgi.com> wrote:
> > Aside from the bogus comment (I'll send a V3 with a fixed comment), does the patch
> > look ok.
>
> Several months ago, Robin said that he will test updated version
>
> [PATCH] x86: Make calibrate_delay run in parallel.
>
> so any reason that you sgi guyes stop that path?
Running calibration in parallel is pretty stupid: cores/threads might
impact each other and there might be a lot of avoidable noise in the
results.
Thanks,
Ingo
next prev parent reply other threads:[~2011-08-06 6:59 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-27 13:57 [PATCH] x86: Reduce clock calibration time during slave cpu startup Jack Steiner
2011-07-27 14:05 ` Dave Jones
[not found] ` <20110727141527.GA8453@sgi.com>
[not found] ` <20110727155200.GA25381@redhat.com>
2011-08-01 18:45 ` [PATCH v2] " Jack Steiner
2011-08-05 10:46 ` Ingo Molnar
2011-08-05 13:13 ` Jack Steiner
2011-08-05 13:16 ` Jack Steiner
2011-08-05 21:38 ` Ingo Molnar
2011-08-07 0:36 ` Matthew Garrett
2011-08-08 20:44 ` Jack Steiner
2011-08-09 15:06 ` Ingo Molnar
2011-08-09 15:18 ` Matthew Garrett
2011-08-11 20:14 ` [PATCH v3] " Jack Steiner
2011-08-06 0:21 ` [PATCH v2] " Yinghai Lu
2011-08-06 6:58 ` Ingo Molnar [this message]
2011-08-06 10:51 ` Robin Holt
2011-08-06 14:39 ` Jack Steiner
2011-08-26 23:56 ` [PATCH] " Andrew Morton
2011-08-26 23:57 ` Andrew Morton
2011-08-29 15:04 ` Jack Steiner
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