linux/drivers/gpu
Daniel Vetter 03e0d26fcf drm/nouveau: slowpath for pushbuf ioctl
We can't copy_*_user while holding reservations, that will (soon even
for nouveau) lead to deadlocks. And it breaks the cross-driver
contract around dma_resv.

Fix this by adding a slowpath for when we need relocations, and by
pushing the writeback of the new presumed offsets to the very end.

Aside from "it compiles" entirely untested unfortunately.

Cc: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: nouveau@lists.freedesktop.org
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191104173801.2972-2-daniel.vetter@ffwll.ch
2019-11-06 11:23:27 +01:00
..
drm drm/nouveau: slowpath for pushbuf ioctl 2019-11-06 11:23:27 +01:00
host1x
ipu-v3 gpu: ipu-v3: image-convert: only sample into the next tile if necessary 2019-08-19 16:25:30 +02:00
vga topic/remove-fbcon-notifiers: 2019-06-26 12:26:34 +02:00
Makefile