linux-kernel - Re: ioremap_xxx() with EXEC enabled

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Message-Id: <200801301059.40568.ak@suse.de>
Date:	Wed, 30 Jan 2008 10:59:39 +0100
From:	Andi Kleen <ak@...e.de>
To:	"Huang, Ying" <ying.huang@...el.com>
Cc:	Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: ioremap_xxx() with EXEC enabled

On Wednesday 30 January 2008 10:32, Huang, Ying wrote:
> Hi,
>
> On i386, EFI may need to map EFI runtime code area as EXEC enabled with
> ioremap(). But, I found that the memory are mapped as EXEC disabled when
> mapped with ioremap() now. I think we may need a method to map memory
> area as EXEC enabled with ioremap_xxx(). Some possible interface schemes
> for mapping as EXEC enabled are as follow:

Does __ioremap(..., PAGE_KERNEL_EXEC) not work?

-Andi
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