drm/nouveau/vm: take subdev mutex, not the mm, protects against race with vm/nvc0

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nvc0_vm_flush() accesses the pgd list, which will soon be able to race
with vm_unlink() during channel destruction.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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Ben Skeggs 2013-05-13 22:26:26 +10:00

parent 15cace5917

commit 4e67bee8e1

1 changed files with 17 additions and 16 deletions

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33

drivers/gpu/drm/nouveau/core/subdev/vm/base.c

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