drm/vmwgfx: Support the NOP_ERROR command

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Can be used by user-space applications to test and verify the kernel
command buffer error recovery functionality.

Malicious user-space apps could potentially use this command to slow down
graphics processing somewhat, but they could also accomplish the same thing
using a random malformed command so this should be considered safe.
At least as safe as it gets.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>

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Thomas Hellstrom 2017-08-24 08:06:30 +02:00 • committed by Sinclair Yeh

parent 65b97a2bec

commit 5f55be5f30

1 changed files with 2 additions and 0 deletions

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drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c

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