Am 07.07.20 um 14:05 schrieb Thomas Hellström (Intel):
On 7/7/20 1:07 PM, Chris Wilson wrote:
Quoting Christian König (2020-07-07 11:58:26)
Am 07.07.20 um 10:59 schrieb Daniel Vetter:
On Tue, Jul 7, 2020 at 9:27 AM Lepton Wu wrote:
For pages which are allocated in ttm with transparent huge
Quoting Thomas Hellström (Intel) (2020-07-07 13:05:31)
>
> On 7/7/20 1:07 PM, Chris Wilson wrote:
> > Quoting Christian König (2020-07-07 11:58:26)
> >> Am 07.07.20 um 10:59 schrieb Daniel Vetter:
> >>> On Tue, Jul 7, 2020 at 9:27 AM Lepton Wu wrote:
> For pages which are allocated in ttm wi
On 7/7/20 1:07 PM, Chris Wilson wrote:
Quoting Christian König (2020-07-07 11:58:26)
Am 07.07.20 um 10:59 schrieb Daniel Vetter:
On Tue, Jul 7, 2020 at 9:27 AM Lepton Wu wrote:
For pages which are allocated in ttm with transparent huge pages,
tail pages have zero as reference count. The curr
Quoting Christian König (2020-07-07 11:58:26)
> Am 07.07.20 um 10:59 schrieb Daniel Vetter:
> > On Tue, Jul 7, 2020 at 9:27 AM Lepton Wu wrote:
> >> For pages which are allocated in ttm with transparent huge pages,
> >> tail pages have zero as reference count. The current vgem code use
> >> get_pa
Am 07.07.20 um 10:59 schrieb Daniel Vetter:
On Tue, Jul 7, 2020 at 9:27 AM Lepton Wu wrote:
For pages which are allocated in ttm with transparent huge pages,
tail pages have zero as reference count. The current vgem code use
get_page on them and it will trigger BUG when release_pages get called
On Tue, Jul 7, 2020 at 9:27 AM Lepton Wu wrote:
>
> For pages which are allocated in ttm with transparent huge pages,
> tail pages have zero as reference count. The current vgem code use
> get_page on them and it will trigger BUG when release_pages get called
> on those pages later.
>
> Here I att
Quoting Lepton Wu (2020-07-07 05:21:00)
> For pages which are allocated in ttm with transparent huge pages,
> tail pages have zero as reference count. The current vgem code use
> get_page on them and it will trigger BUG when release_pages get called
> on those pages later.
>
> Here I attach the mi
For pages which are allocated in ttm with transparent huge pages,
tail pages have zero as reference count. The current vgem code use
get_page on them and it will trigger BUG when release_pages get called
on those pages later.
Here I attach the minimal code to trigger this bug on a qemu VM which
en
