drm/vmwgfx: Protect from excessive execbuf kernel memory allocations v3
With the new validation code, a malicious user-space app could potentially submit command streams with enough buffer-object and resource references in them to have the resulting allocated validion nodes and relocations make the kernel run out of GFP_KERNEL memory. Protect from this by having the validation code reserve TTM graphics memory when allocating. Signed-off-by: NThomas Hellstrom <thellstrom@vmware.com> Reviewed-by: NDeepak Rawat <drawat@vmware.com> --- v2: Removed leftover debug printouts
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