]> git.baikalelectronics.ru Git - kernel.git/commit
drm/nouveau/mmu: protect each vm with its own mutex
authorBen Skeggs <bskeggs@redhat.com>
Thu, 20 Aug 2015 04:54:17 +0000 (14:54 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Fri, 28 Aug 2015 02:40:35 +0000 (12:40 +1000)
commit753bee912fc67aa9db7859bb7601841093c7eda5
tree1da6741149cc84fc05c3ad42571df363a035bacf
parent70afe86fe1b1d58c17f05325cf3332db0af0c6bd
drm/nouveau/mmu: protect each vm with its own mutex

An upcoming commit requires being able to modify the PRAMIN BAR page
tables while already holding the MMU subdev mutex.

To solve this issue, each VM has been given its own mutex.  As a nice
side-effect, this also allows separate VMs to be updated concurrently.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
drivers/gpu/drm/nouveau/nouveau_drm.c
drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv44.c
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c