Re: [PATCH] drm/vmwgfx: unpin BOs without revalidating placement

From: Willy Tarreau

Date: Thu Oct 29 2026 - 09:56:34 EST


On Thu, Oct 29, 2026 at 04:19:24PM +0800, you wrote:
>
> Unpinning a buffer object does not change its memory placement.
> Placement revalidation is unnecessary. Currently
> vmw_bo_pin_reserved() calls ttm_bo_validate() for both pin and unpin
> operations and treats any validation error as impossible with BUG_ON().
(...)

Please *stop* CCing security@k.o for public e-mails. We already have
enough noise to stay busy, no need to add public messages there!

Thanks,
Willy