linux-kernel - Re: [PATCH v2] drm/prime: fix drm_prime_gem

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Message-ID: <Z-aBkc2p5BZLrBJH@pollux>
Date: Fri, 28 Mar 2025 12:01:37 +0100
From: Danilo Krummrich <dakr@...nel.org>
To: Chris Bainbridge <chris.bainbridge@...il.com>
Cc: Christian König <christian.koenig@....com>,
	nouveau@...ts.freedesktop.org, maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com,
	simona@...ll.ch, lyude@...hat.com, sumit.semwal@...aro.org,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] drm/prime: fix drm_prime_gem_destroy comment

On Wed, Mar 26, 2025 at 01:10:58PM +0000, Chris Bainbridge wrote:
> Edit the comments on correct usage of drm_prime_gem_destroy to note
> that, if using TTM, drm_prime_gem_destroy must be called in the
> ttm_buffer_object.destroy hook, to avoid the dma_buf being freed leaving
> a dangling pointer which will be later dereferenced by
> ttm_bo_delayed_delete.
> 
> Signed-off-by: Chris Bainbridge <chris.bainbridge@...il.com>
> Suggested-by: Christian König <christian.koenig@....com>

Can you please send new version of patches as a new mail thread (not in reply to
previous versions) please?

Otherwise,

	Reviewed-by: Danilo Krummrich <dakr@...nel.org>

@Christian, I assume you will pick this one up?