Re: [PATCH] drm/qxl: Pin buffer objects for internal mappings

2024-07-10 Thread Dmitry Osipenko
On 7/2/24 17:20, Thomas Zimmermann wrote: > @@ -190,7 +190,13 @@ int qxl_bo_vmap(struct qxl_bo *bo, struct iosys_map *map) > if (r) > return r; > > + r = qxl_bo_pin_locked(bo); > + if (r) > + return r; Is qxl_bo_unreserve() missing here? > + > r = q

Re: [PATCH] drm/qxl: Pin buffer objects for internal mappings

2024-07-08 Thread Thomas Zimmermann
Hi Am 08.07.24 um 13:55 schrieb Dmitry Osipenko: On 7/2/24 17:20, Thomas Zimmermann wrote: @@ -190,7 +190,13 @@ int qxl_bo_vmap(struct qxl_bo *bo, struct iosys_map *map) if (r) return r; + r = qxl_bo_pin_locked(bo); + if (r) + return r; Is qxl_bo

Re: [PATCH] drm/qxl: Pin buffer objects for internal mappings

2024-07-08 Thread Thomas Zimmermann
Hi Am 08.07.24 um 10:58 schrieb Daniel Vetter: On Mon, Jul 08, 2024 at 10:09:44AM +0200, Thomas Zimmermann wrote: Hi, ping for a review. This is a bugfix for a serious problem. I tried to look around whether there's any place where we could WARN_ON if we create a vmap but it's not pinned. But

Re: [PATCH] drm/qxl: Pin buffer objects for internal mappings

2024-07-08 Thread Daniel Vetter
On Mon, Jul 08, 2024 at 10:09:44AM +0200, Thomas Zimmermann wrote: > Hi, > > ping for a review. This is a bugfix for a serious problem. I tried to look around whether there's any place where we could WARN_ON if we create a vmap but it's not pinned. But there's lots of places where we want the vma

Re: [PATCH] drm/qxl: Pin buffer objects for internal mappings

2024-07-08 Thread Thomas Zimmermann
Hi, ping for a review. This is a bugfix for a serious problem. Best regards Thomas Am 02.07.24 um 16:20 schrieb Thomas Zimmermann: Add qxl_bo_pin_and_vmap() that pins and vmaps a buffer object in one step. Update callers of the regular qxl_bo_vmap(). Fixes a bug where qxl accesses an unpinned