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From: David Howells <dhowells@redhat.com>
In-Reply-To: <1273634462-2672-10-git-send-email-walken@google.com>
References: <1273634462-2672-10-git-send-email-walken@google.com> <1273634462-2672-1-git-send-email-walken@google.com>
To: Michel Lespinasse <walken@google.com>
Cc: dhowells@redhat.com, Linus Torvalds <torvalds@linux-foundation.org>,
       Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
       LKML <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       Mike Waychison <mikew@google.com>,
       Suleiman Souhlal <suleiman@google.com>, Ying Han <yinghan@google.com>
Subject: Re: [PATCH 09/12] generic rwsem: implement down_read_unfair
Date: Wed, 12 May 2010 13:46:30 +0100
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Michel Lespinasse <walken@google.com> wrote:

>  /*
> + * lock for reading - skip waiting writers
> + */

They may also skip waiting readers, if such are queued behind a writer.

David