Re: [V3] powerpc/mm: Fix Multi hit ERAT cause by recent THP update

2016-02-13 Thread Aneesh Kumar K.V
Michael Ellerman writes: > On Tue, 2016-09-02 at 01:20:31 UTC, "Aneesh Kumar K.V" wrote: >> With ppc64 we use the deposited pgtable_t to store the hash pte slot >> information. We should not withdraw the deposited pgtable_t without >> marking the pmd none. This ensure that low level hash fault ha

Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)

2016-02-13 Thread Sebastian Ott
On Sat, 13 Feb 2016, Kirill A. Shutemov wrote: > Could you check if revert of fecffad25458 helps? I reverted fecffad25458 on top of 721675fcf277cf - it oopsed with: ¢ 1851.721062! Unable to handle kernel pointer dereference in virtual kernel address space ¢ 1851.721075! failing address: 000

Re: [PATCH V2 00/29] Book3s abstraction in preparation for new MMU model

2016-02-13 Thread Denis Kirjanov
On 2/13/16, Aneesh Kumar K.V wrote: > Paul Mackerras writes: > >> On Mon, Feb 08, 2016 at 02:50:12PM +0530, Aneesh Kumar K.V wrote: >>> Hello, >>> >>> This is a large series, mostly consisting of code movement. No new >>> features >>> are done in this series. The changes are done to accomodate th