linux-kernel - Re: bad paravirt/Xen interaction in "x86 - Enhance DEBUG_RODATA support

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Date:	Mon, 03 Mar 2008 10:05:25 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Andi Kleen <ak@...e.de>
CC:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Zachary Amsden <zach@...are.com>
Subject: Re: bad paravirt/Xen interaction in "x86 - Enhance DEBUG_RODATA support
 - alternatives"

Andi Kleen wrote:
> On Monday 03 March 2008 18:58:03 Jeremy Fitzhardinge wrote:
>
>   
>> Perhaps, though that's uncached by default.
>>     
>
> ioremap_cached()

Sure.  But given that from the perspective of this problem ioremap* is 
just a wrapper for vmap, we may as well use it directly and avoid 
getting tangled up in any current or future io-related stuff that 
ioremap may want to do.

    J
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