From: Pavel Machek <pavel@ucw.cz>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: "John A. Gregor" <john.gregor@qlogic.com>,
ralph.campbell@qlogic.com, linux-kernel@vger.kernel.org,
johng@diamond.mv.qlogic.com
Subject: Re: [PATCH] x86_64/__iowrite32_copy: don't use string move for PIO writes
Date: Fri, 10 Jul 2009 01:19:57 +0200 [thread overview]
Message-ID: <20090709231957.GC1469@ucw.cz> (raw)
In-Reply-To: <4A527EE4.1080102@zytor.com>
> - the current code is fine as long as it doesn't cross from cached to
> uncached memory, which it never should in any kind of sensible driver;
Should we add a comment somewhere saying that is not permitted (and why)?
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2009-07-10 12:06 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-06 19:07 John Gregor
2009-07-06 21:30 ` H. Peter Anvin
2009-07-06 21:36 ` John A. Gregor
2009-07-06 22:47 ` H. Peter Anvin
2009-07-06 23:44 ` John A. Gregor
2009-07-07 0:03 ` H. Peter Anvin
2009-07-07 16:06 ` John A. Gregor
2009-07-08 0:46 ` H. Peter Anvin
2009-07-09 23:19 ` Pavel Machek [this message]
2009-07-10 15:07 ` H. Peter Anvin
2009-07-10 16:02 ` Lu, Hongjiu
2009-07-06 21:41 ` John A. Gregor
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