linux-kernel - Re: [PATCH 8/9] trace: use this_cpu

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Message-ID: <0000013ad12707b8-ffc687fb-2ce2-41bc-93f7-86b17c1a2e02-000000@email.amazonses.com>
Date:	Mon, 5 Nov 2012 15:18:47 +0000
From:	Christoph Lameter <cl@...ux.com>
To:	Shan Wei <shanwei88@...il.com>
cc:	rostedt@...dmis.org, fweisbec@...il.com,
	Kernel-Maillist <linux-kernel@...r.kernel.org>, mingo@...hat.com
Subject: Re: [PATCH 8/9] trace: use this_cpu_ptr per-cpu helper

On Sat, 3 Nov 2012, Shan Wei wrote:

> return (char *)this_cpu_ptr(&percpu_buffer->buffer);

Makes sense since buffer is the actual start of the bytes and not a
pointer to a buffer like what I thought.

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