linux-kernel - Re: [PATCH] x86, tboot: provide debugfs interfaces to access TXT log

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Message-ID: <51C7CC08.7080604@zytor.com>
Date:	Sun, 23 Jun 2013 21:33:12 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ren Qiaowei <qiaowei.ren@...el.com>
CC:	Joe Perches <joe@...ches.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org, Gang Wei <gang.wei@...el.com>
Subject: Re: [PATCH] x86, tboot: provide debugfs interfaces to access TXT
 log

On 06/23/2013 07:56 PM, Ren Qiaowei wrote:
>>
> Well, I guess that I can use iomem related interface to fix these
> warnings caused by sparse.
> 

And you SHOULD.  Passing around pointers to I/O space without even
annotating them isn't really very clean.

	-hpa


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