Date: Tue, 28 Feb 2006 13:25:38 -0800
From: Richard Henderson <rth@redhat.com>
To: Chuck Ebbert <76306.1226@compuserve.com>
Cc: Ingo Molnar <mingo@elte.hu>, Andrew Morton <akpm@osdl.org>,
       linux-kernel <linux-kernel@vger.kernel.org>,
       Linus Torvalds <torvalds@osdl.org>, Andi Kleen <ak@suse.de>
Subject: Re: [patch] i386: make bitops safe
Message-ID: <20060228212538.GA28302@redhat.com>
References: <200602280106_MC3-1-B974-9231@compuserve.com>
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On Tue, Feb 28, 2006 at 01:04:01AM -0500, Chuck Ebbert wrote:
> > One could reasonably argue that if you used a structure with a
> > flexible array member, that GCC could not look through that.  But
> > again I'm not 100% positive this is handled properly.
> 
> This seems to work but causes more problems than it solves:
> 
> #define vaddr ((volatile long *) addr)

This isn't a structure witha flexible array member.


r~
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