Thread (158 messages) 158 messages, 5 authors, 2012-04-02

Re: [ 086/149] video:uvesafb: Fix oops that uvesafb try to execute NX-protected page

From: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Date: 2012-03-31 21:12:26
Also in: lkml

On 03/31/2012 08:37 PM, Alan Cox wrote:
On Sat, 31 Mar 2012 11:03:17 -0700
Greg KH [off-list ref] wrote:
quoted
On Fri, Mar 30, 2012 at 09:30:52PM +0000, Florian Tobias Schandinat wrote:
quoted
Hi Greg,

On 03/30/2012 07:49 PM, Greg KH wrote:
quoted
3.2-stable review patch.  If anyone has any objections, please let me know.
the same as for 3.3: This patch would require exporting
'pcibios_enabled' to not break building uvesafb as a module. As Alan did
not agree with this approach it is not suitable for stable as is.
Oops, sorry about that, now removed, thanks for letting me know.
Actually for the backport its probably the right thing to do - its
simple, clear and slightly ugly, but its fairly provably safe.
Is there a problem with using your preferred solution
"__supported_pte_mask & _PAGE_NX" here?
As far as I can see it should work since 2008.


Best regards,

Florian Tobias Schandinat
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