[PATCH] ARM: mm: Enable PXN when running non-LPAE kernel on LPAE

[Ben Hutchings]

On Mon, 2015-12-28 at 19:31 +0900, Jungseung Lee wrote:
> 2015-05-11 23:36 GMT+09:00 Catalin Marinas <catalin.marinas at arm.com>:
> > On Mon, May 11, 2015 at 05:09:35PM +0900, Jungseung Lee wrote:
> > > Hi, Ben.
> > > 
> > > 2014-12-25 2:20 GMT+09:00 Catalin Marinas :
> > > > On Wed, Dec 24, 2014 at 03:54:28PM +0000, Ben Hutchings wrote:
> > > > > The VMSA field of MMFR0 (bottom 4 bits) is incremented for each
> > > > > added feature.  PXN is supported if the value is >= 4 and LPAE
> > > > > is supported if it is >= 5.
> > > > > 
> > > > > In case a kernel with CONFIG_ARM_LPAE disabled is used on a
> > > > > processor that supports LPAE, we can still use PXN in short
> > > > > descriptors.  So check for >= 4 not == 4.
> > > > > 
> > > > > Signed-off-by: Ben Hutchings <ben at decadent.org.uk>
> > > > > Cc: Jungseung Lee <js07.lee at gmail.com>
> > > > > Cc: Catalin Marinas <catalin.marinas at arm.com>
> > > > 
> > > > Acked-by: Catalin Marinas <catalin.marinas at arm.com>
> > > 
> > > Is this patch handled?
> > 
> > If it's not in mainline already, than it probably isn't handled.
> > 
> > > or you can send it to Russell's patch system:
> > > http://www.arm.linux.org.uk/developer/patches/
> > 
> > Check mainline first, otherwise please submit it.
> > 
> 
> > --
> > Catalin
> 
> Hi, Ben
> 
> It looks still not submitted yet. Could you send it to Russell's patch
> system?
> http://www.arm.linux.org.uk/developer/patches/
> 

I've never needed to use a web-based system to submit kernel patches
before, and I'm not going to start now.  Someone else can re-submit
this if they want it.

Ben.

-- 
Ben Hutchings
I'm not a reverse psychological virus.  Please don't copy me into your sig.
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