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

Jungseung Lee js07.lee at gmail.com
Mon May 11 01:09:35 PDT 2015

Hi, Ben.

2014-12-25 2:20 GMT+09:00 Catalin Marinas <catalin.marinas at arm.com>:
> 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? or you can send it to Russell's patch system:

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