linux-kernel - Re: Oops with DCACHE_WORD

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Message-ID: <4FA2CDFC.6070901@zytor.com>
Date:	Thu, 03 May 2012 11:27:08 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Al Viro <viro@...iv.linux.org.uk>, Nick Piggin <npiggin@...il.com>,
	Jana Saout <jana@...ut.de>, Joel Becker <jlbec@...lplan.org>,
	linux-kernel@...r.kernel.org
Subject: Re: Oops with DCACHE_WORD_ACCESS and ocfs2, autofs4

On 05/03/2012 11:23 AM, Linus Torvalds wrote:
> 
> I left the instruction suffixes in place, although Peter is probably
> right that the assembler will do the right thing.
> 

Yes, and we have <asm/asm.h> for the case where it doesn't (where there
is only a memory operand, for example.)  I tend to put the suffixes in
even if they are redundant, but we already rely on the unsuffixed
instructions working in many, many places.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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