lkml.org 
[lkml]   [2017]   [Jun]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH backport pre-4.9] powerpc/slb: Force a full SLB flush when we insert for a bad EA
Date
Greg Kroah-Hartman <gregkh@linuxfoundation.org> writes:
> On Thu, Jun 22, 2017 at 04:52:51PM +1000, Michael Ellerman wrote:
>> The SLB miss handler calls slb_allocate_realmode() in order to create an
>> SLB entry for the faulting address. At the very start of that function
>> we check that the faulting Effective Address (EA) is less than
>> PGTABLE_RANGE (ignoring the region), ie. is it an address which could
>> possibly fit in the virtual address space.
...
>> ---
>> arch/powerpc/mm/slb_low.S | 10 ++++++++++
>> 1 file changed, 10 insertions(+)
>>
>> Note this patch is not upstream. The bug fix was fixed differently in
>> upstream prior to the bug being identified.
>
> Now applied to 4.4 and 3.18-stable kernels, thanks,

Thanks.

cheers

\
 
 \ /
  Last update: 2017-06-28 03:42    [W:0.044 / U:0.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site