On Fri, 6 Dec 2019 08:53:27 +0100
Boris Brezillon wrote:
> On Thu, 5 Dec 2019 17:08:02 -0600
> Rob Herring wrote:
>
> > On Fri, Nov 29, 2019 at 8:33 AM Boris Brezillon
> > wrote:
> > >
> > > On Fri, 29 Nov 2019 14:24:48 +
> > > Steven Price wrote:
> > >
> > > > On 29/11/2019 13:59,
On Thu, 5 Dec 2019 17:08:02 -0600
Rob Herring wrote:
> On Fri, Nov 29, 2019 at 8:33 AM Boris Brezillon
> wrote:
> >
> > On Fri, 29 Nov 2019 14:24:48 +
> > Steven Price wrote:
> >
> > > On 29/11/2019 13:59, Boris Brezillon wrote:
> > > > If 2 threads change the MADVISE property of the sa
On Fri, Nov 29, 2019 at 8:33 AM Boris Brezillon
wrote:
>
> On Fri, 29 Nov 2019 14:24:48 +
> Steven Price wrote:
>
> > On 29/11/2019 13:59, Boris Brezillon wrote:
> > > If 2 threads change the MADVISE property of the same BO in parallel we
> > > might end up with an shmem->madv value that's in
On Fri, 29 Nov 2019 21:07:33 +0100
Daniel Vetter wrote:
> On Fri, Nov 29, 2019 at 02:40:34PM +, Steven Price wrote:
> > On 29/11/2019 14:33, Boris Brezillon wrote:
> > > On Fri, 29 Nov 2019 14:24:48 +
> > > Steven Price wrote:
> > >
> > >> On 29/11/2019 13:59, Boris Brezillon wrote:
On Fri, Nov 29, 2019 at 02:40:34PM +, Steven Price wrote:
> On 29/11/2019 14:33, Boris Brezillon wrote:
> > On Fri, 29 Nov 2019 14:24:48 +
> > Steven Price wrote:
> >
> >> On 29/11/2019 13:59, Boris Brezillon wrote:
> >>> If 2 threads change the MADVISE property of the same BO in parallel
On 29/11/2019 14:33, Boris Brezillon wrote:
> On Fri, 29 Nov 2019 14:24:48 +
> Steven Price wrote:
>
>> On 29/11/2019 13:59, Boris Brezillon wrote:
>>> If 2 threads change the MADVISE property of the same BO in parallel we
>>> might end up with an shmem->madv value that's inconsistent with th
On Fri, 29 Nov 2019 14:24:48 +
Steven Price wrote:
> On 29/11/2019 13:59, Boris Brezillon wrote:
> > If 2 threads change the MADVISE property of the same BO in parallel we
> > might end up with an shmem->madv value that's inconsistent with the
> > presence of the BO in the shrinker list.
>
On 29/11/2019 13:59, Boris Brezillon wrote:
> If 2 threads change the MADVISE property of the same BO in parallel we
> might end up with an shmem->madv value that's inconsistent with the
> presence of the BO in the shrinker list.
I'm a bit worried from the point of view of user space sanity that y
If 2 threads change the MADVISE property of the same BO in parallel we
might end up with an shmem->madv value that's inconsistent with the
presence of the BO in the shrinker list.
The easiest solution to fix that is to protect the
drm_gem_shmem_madvise() call with the shrinker lock.
Fixes: 013b65
