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From: Willy Tarreau <w@1wt.eu>
To: panyuhang@hdu.edu.cn
Cc: zack.rusin@broadcom.com, gregkh@linuxfoundation.org,
	bcm-kernel-feedback-list@broadcom.com,
	maarten.lankhorst@linux.intel.com, mripard@kernel.org,
	tzimmermann@suse.de, airlied@gmail.com, daniel@ffwll.ch,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/vmwgfx: unpin BOs without revalidating placement
Date: Thu, 29 Oct 2026 14:50:47 +0100	[thread overview]
Message-ID: <auNPN50Nt51ih1Yt@1wt.eu> (raw)
In-Reply-To: <AD6AfwDkLPJWAKFimg*tgar*.1.1793261964318.Hmail.242270054@hdu.edu.cn>

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

      parent reply	other threads:[~2026-10-29 13:58 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-29  8:19 [PATCH] drm/vmwgfx: unpin BOs without revalidating placement 潘煜杭
2026-10-29  9:00 ` Greg KH
2026-10-29 13:50 ` Willy Tarreau [this message]

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