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:4.525 / U:0.056 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site