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From: Jack Steiner <steiner@sgi.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Chris Friesen <cfriesen@nortel.com>,
	Daniel Walker <dwalker@fifo99.com>,
	mingo@elte.hu, tglx@linutronix.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2] x86: SGU UV Add volatile semantics to macros that access chipset registers
Date: Wed, 9 Sep 2009 22:23:30 -0500	[thread overview]
Message-ID: <20090910032330.GA10878@sgi.com> (raw)
In-Reply-To: <4AA86CFA.8090000@zytor.com>

On Wed, Sep 09, 2009 at 08:05:30PM -0700, H. Peter Anvin wrote:
> On 09/09/2009 07:22 PM, Jack Steiner wrote:
> > Add volatile-semantics to the SGI UV read/write macros that are
> > used to access chipset memory mapped registers. No direct
> > references to volatile are made. Instead the readq/writeq
> > macros are used.
> > 
> > Signed-off-by: Jack Steiner <steiner@sgi.com>
> 
> The -q part of readq/writeq is qword, 64 bits.  It looks like you're
> replacing references of other sizes with qword references; was that
> intended?

No, it was not. Most macros are quad-word but I see one that should have been
"char".

Thanks for catching that.  New patch in the morning.

--- jack

  reply	other threads:[~2009-09-10  3:23 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-09 15:42 [PATCH] x86: SGU UV Add volatile to macros that access chipset registers Jack Steiner
2009-09-09 16:10 ` Daniel Walker
2009-09-09 18:01   ` Jack Steiner
2009-09-09 18:11     ` Daniel Walker
2009-09-09 18:54       ` Chris Friesen
2009-09-09 19:38         ` Jack Steiner
2009-09-10  0:44           ` H. Peter Anvin
2009-09-10  2:21             ` Jack Steiner
2009-09-10  2:22             ` [PATCH V2] x86: SGU UV Add volatile semantics " Jack Steiner
2009-09-10  3:05               ` H. Peter Anvin
2009-09-10  3:23                 ` Jack Steiner [this message]
2009-09-10 14:31                 ` [PATCH V3] " Jack Steiner
2009-09-18 12:06                   ` [tip:x86/urgent] x86: SGI UV: " tip-bot for Jack Steiner
2009-09-09 19:20       ` [PATCH] x86: SGU UV Add volatile " Jack Steiner

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