vmwgfx has really ugly implemention of an interruptible lock trying to match rw sem semantics. By adding a small bit of code implementing down_write_interruptible to rwsem which already supported down_read_interruptible we can completely remove all of the custom code from vmwgfx. Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Cc: Martin Krastev <krastevm@xxxxxxxxxx> Cc: Roland Scheidegger <sroland@xxxxxxxxxx> Cc: linux-kernel@xxxxxxxxxxxxxxx Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx Zack Rusin (2): locking/rwsem: Add down_write_interruptible drm/vmwgfx: Remove custom locking code drivers/gpu/drm/vmwgfx/Makefile | 2 +- drivers/gpu/drm/vmwgfx/ttm_lock.c | 194 ---------------- drivers/gpu/drm/vmwgfx/ttm_lock.h | 218 ------------------ drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 24 +- drivers/gpu/drm/vmwgfx/vmwgfx_context.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 57 +---- drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 32 ++- drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_fb.c | 10 +- drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | 8 +- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 8 +- drivers/gpu/drm/vmwgfx/vmwgfx_shader.c | 4 +- .../gpu/drm/vmwgfx/vmwgfx_simple_resource.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | 16 +- include/linux/rwsem.h | 1 + kernel/locking/rwsem.c | 23 ++ 17 files changed, 98 insertions(+), 515 deletions(-) delete mode 100644 drivers/gpu/drm/vmwgfx/ttm_lock.c delete mode 100644 drivers/gpu/drm/vmwgfx/ttm_lock.h -- 2.27.0 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
