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From: Michel Lespinasse <walken@google.com>
To: Jesper Juhl <jj@chaosbits.net>
Cc: x86@kernel.org, Eric Dumazet <eric.dumazet@gmail.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Hugh Dickins <hughd@google.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Rik van Riel <riel@redhat.com>, Mel Gorman <mel@csn.ul.ie>,
	Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [PATCH] Use 'do {} while (0)' for empty flush_tlb_fix_spurious_fault() macro
Date: Sat, 17 Dec 2011 16:43:11 -0800	[thread overview]
Message-ID: <CANN689GQyzMGfnxsKmni7wDFpqo4s=D3dpu6w9UxN0tKbqakig@mail.gmail.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1112180128070.21784@swampdragon.chaosbits.net>

On Sat, Dec 17, 2011 at 4:32 PM, Jesper Juhl <jj@chaosbits.net> wrote:
> If one builds the kernel with -Wempty-body one gets this warning:
>
>  mm/memory.c:3432:46: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
>
> due to the fact that 'flush_tlb_fix_spurious_fault' is a macro that
> can sometimes be defined to nothing.
>
> Signed-off-by: Jesper Juhl <jj@chaosbits.net>

Looks good to me. I'd be happy with either that or Al's alternative suggestion.

Reviewed-by: Michel Lespinasse <walken@google.com>

-- 
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.

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  reply	other threads:[~2011-12-18  0:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-18  0:32 Jesper Juhl
2011-12-18  0:43 ` Michel Lespinasse [this message]
2011-12-18  1:00   ` Jesper Juhl

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