linux-kernel - Re: [PATCH 1/3] perf events: fix WARN_ON

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Date:	Fri, 18 Feb 2011 16:51:56 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	David Ahern <daahern@...co.com>
Cc:	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
	mingo@...e.hu, acme@...stprotocols.net, paulus@...ba.org
Subject: Re: [PATCH 1/3] perf events: fix WARN_ON_ONCE for 64-bit raw data,
 SW events

On Fri, 2011-02-18 at 08:28 -0700, David Ahern wrote:

> Why is an 8-byte stride preferred over a 4-bytes?

So as to avoid having to deal with unaligned u64 reads.
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