From: Thomas Hellstrom <thellst...@vmware.com>
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 <thellst...@vmware.com>
Reviewed-by: Brian Paul <bri...@vmware.com>
Reviewed-by: Sinclair Yeh <s...@vmware.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index e6c6328..6bea718 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -3303,6 +3303,8 @@ static const struct vmw_cmd_entry
vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
true, false, true),
VMW_CMD_DEF(SVGA_3D_CMD_NOP, &vmw_cmd_ok,
true, false, true),
+ VMW_CMD_DEF(SVGA_3D_CMD_NOP_ERROR, &vmw_cmd_ok,
+ true, false, true),
VMW_CMD_DEF(SVGA_3D_CMD_ENABLE_GART, &vmw_cmd_invalid,
false, false, true),
VMW_CMD_DEF(SVGA_3D_CMD_DISABLE_GART, &vmw_cmd_invalid,
--
2.7.4
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