linux-kernel - [PATCH] x86: {reverve,free}_memtype() take a physical address

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Date:	Fri, 22 Aug 2008 00:10:13 +0200
From:	Rene Herman <rene.herman@...access.nl>
To:	Ingo Molnar <mingo@...e.hu>, "Li, Shaohua" <shaohua.li@...el.com>
CC:	Venki Pallipadi <venkatesh.pallipadi@...el.com>,
	Dave Airlie <airlied@...il.com>,
	Yinghai Lu <yhlu.kernel@...il.com>,
	Andreas Herrmann <andreas.herrmann3@....com>,
	Arjan van de Ven <arjan@...radead.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Dave Jones <davej@...emonkey.org.uk>
Subject: [PATCH] x86: {reverve,free}_memtype() take a physical address

On 21-08-08 19:15, Rene Herman wrote:

> On 21-08-08 14:06, Ingo Molnar wrote:

>> Would be nice to test tip/master - it has both that patch included and 
>> the latest pageattr-array API (with enablement in AGP drivers) 
>> patchset, done by Shaohua Li, based on Dave's original patch.
> 
> That patch by itself doesn't help any -- the new set_memory_array_uc() 
> still calls reserve_memtype() for each single page in the array.

Worse yet, it appears to be broken. {reserve,free}_memtype() expect phys 
addresses but it's being passed virtual ones...

Rene.



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