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6b1ce0a200
With nouveau fixed all ttm-using drives have the correct nesting of mmap_sem vs dma_resv, and we can just lock the buffer. Assuming I didn't screw up anything with my audit of course. v2: - Dont forget wu_mutex (Christian König) - Keep the mmap_sem-less wait optimization (Thomas) - Use _lock_interruptible to be good citizens (Thomas) v3: Rebase over fault handler helperification. Reviewed-by: Christian König <christian.koenig@amd.com> (v2) Reviewed-by: Thomas Hellström <thellstrom@vmware.com> (v2) Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Christian Koenig <christian.koenig@amd.com> Cc: Huang Rui <ray.huang@amd.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: "VMware Graphics" <linux-graphics-maintainer@vmware.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191104173801.2972-3-daniel.vetter@ffwll.ch |
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