linux-kernel - Re: [patch] eventfd - remove fput() call from possible IRQ context (2nd rev)

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Message-ID: <20090316172517.GC2453@shareable.org>
Date:	Mon, 16 Mar 2009 17:25:17 +0000
From:	Jamie Lokier <jamie@...reable.org>
To:	Davide Libenzi <davidel@...ilserver.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Benjamin LaHaise <bcrl@...ck.org>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Dumazet <dada1@...mosbay.com>,
	linux-aio <linux-aio@...ck.org>, zach.brown@...cle.com
Subject: Re: [patch] eventfd - remove fput() call from possible IRQ context (2nd rev)

Davide Libenzi wrote:
> +	if (unlikely(req->ki_eventfd != NULL)) {

Is this really unlikely?  Having an eventfd seems to be the modern,
cool, recommended way to do AIO.

The other unlikelies look ok.

-- Jamie
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