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af9af422c6
When nvgpu_vm_unmap_sync fails, nvgpu_unmap_sync currently bails
out without decreasing the buffer refcount. This prevents from
releasing the buffer, in case a deferred job completes after the
timeout (which was observed 2 times during overnight
stress tests). This also means that the fixed address is not
re-useable.
Throw out a warning when nvgpu_vm_unmap_sync fails, but proceed
with decreasing refcount.
Bug 200578193
Change-Id: Ie0cc7caa7d12ca0a3b42123a5f7a28bda72dabbc
Signed-off-by: ddutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2291352
(cherry picked from commit bb2c8ef511)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2307940
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Amulya Yarlagadda <ayarlagadda@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Amulya Yarlagadda <ayarlagadda@nvidia.com>