[PATCH] pte_fsl_booke: fix instruction TLB error permission check

[Kumar Gala]

On May 13, 2010, at 10:36 PM, Benjamin Herrenschmidt wrote:

> On Thu, 2010-05-13 at 14:14 -0500, Kumar Gala wrote:
>> On May 7, 2010, at 3:38 AM, Li Yang wrote:
>> 
>>> Check the user/supervisor execution permission base on the code address.
>>> This fixes the following oops on module loading or removing.
>>> 
>>> Unable to handle kernel paging request for instruction fetch
>>> Faulting instruction address: 0xf938d040
>>> Oops: Kernel access of bad area, sig: 11 [#1]
>>> 
>>> Signed-off-by: Li Yang <leoli at freescale.com>
>>> Signed-off-by: Jin Qing <b24347 at freescale.com>
>>> ---
>>> arch/powerpc/kernel/head_fsl_booke.S |   13 ++++++++++---
>>> 1 files changed, 10 insertions(+), 3 deletions(-)
>> 
>> applied to merge.
>> 
>> I've updated the commit message to be a bit more clear on why we need to do this.
>> 
>> Thanks for figuring this out.
> 
> Should I pull & send to Linus ?

No, I've got another patch to fix a FTRACE issue with SMP CPU bringup.  Will post a tree for you here shortly.

- k