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From: "H. Peter Anvin" <hpa@zytor.com>
To: richard -rw- weinberger <richard.weinberger@gmail.com>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com,
	torvalds@linux-foundation.org, rostedt@goodmis.org,
	srostedt@redhat.com, tglx@linutronix.de, adobriyan@gmail.com,
	linux-tip-commits@vger.kernel.org
Subject: Re: [tip:core/urgent] WARN_ON_SMP(): Add comment to explain ({0;})
Date: Mon, 28 Mar 2011 07:58:06 -0700	[thread overview]
Message-ID: <4D90A1FE.4000405@zytor.com> (raw)
In-Reply-To: <AANLkTinh6nraZND1mQJ4ofPbABOtJNEnGYYEkqs92RQM@mail.gmail.com>

On 03/28/2011 07:56 AM, richard -rw- weinberger wrote:
>>
>> What the heck is wrong with the idiomatic and non-gcc-extension-using:
>>
>>        ((void)0)
>>
>> ?
> 
> AFAIK you cannot use it within an if-statement.
> 

OK, fair enough.

	-hpa

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


  reply	other threads:[~2011-03-28 14:58 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <tip-ccd0d44fad38dc1bb4b26dcc7a30e9f2c3b36870@git.kernel.org>
2011-03-28 14:51 ` [tip:core/urgent] WARN_ON_SMP(): Add comment to explain ({0;}) H. Peter Anvin
2011-03-28 14:56   ` richard -rw- weinberger
2011-03-28 14:58     ` H. Peter Anvin [this message]
2011-03-28 15:09       ` Steven Rostedt
2011-03-28 18:18         ` Alexey Dobriyan
2011-03-29  7:30           ` Ingo Molnar
     [not found]             ` <8fa65ade-2b9f-4f05-9b52-dfd770326f44@email.android.com>
2011-03-29 14:47               ` Steven Rostedt
2011-03-29 11:36           ` Steven Rostedt

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