From: Andi Kleen <ak@suse.de>
To: "Huang, Ying" <ying.huang@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org
Subject: Re: ioremap_xxx() with EXEC enabled
Date: Wed, 30 Jan 2008 10:59:39 +0100 [thread overview]
Message-ID: <200801301059.40568.ak@suse.de> (raw)
In-Reply-To: <1201685530.17912.11.camel@caritas-dev.intel.com>
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
next prev parent reply other threads:[~2008-01-30 10:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-30 9:32 ioremap_xxx() with EXEC enabled Huang, Ying
2008-01-30 9:59 ` Andi Kleen [this message]
2008-01-30 13:00 ` huang ying
2008-01-30 13:22 ` Andi Kleen
2008-01-30 15:45 ` Arjan van de Ven
2008-01-30 17:30 ` Andi Kleen
2008-01-30 17:44 ` Arjan van de Ven
2008-01-30 18:35 ` Andi Kleen
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