linux-kernel - Re: [PATCH V3] accel/amdxdna: Add BO import and export

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Message-ID: <8e8a2de5-14b7-420d-a80e-69422d43ce3c@oss.qualcomm.com>
Date: Fri, 28 Mar 2025 10:16:34 -0600
From: Jeff Hugo <jeff.hugo@....qualcomm.com>
To: Lizhi Hou <lizhi.hou@....com>, ogabbay@...nel.org,
        jacek.lawrynowicz@...ux.intel.com, mario.limonciello@....com,
        dri-devel@...ts.freedesktop.org
Cc: linux-kernel@...r.kernel.org, min.ma@....com, max.zhen@....com,
        sonal.santan@....com, king.tam@....com
Subject: Re: [PATCH V3] accel/amdxdna: Add BO import and export

On 3/25/2025 2:01 PM, Lizhi Hou wrote:
> Add amdxdna_gem_prime_export() and amdxdna_gem_prime_import() for BO
> import and export. Register mmu notifier for imported BO as well. When
> MMU_NOTIFIER_UNMAP event is received, queue work to remove the notifier.
> 
> The same BO could be mapped multiple times if it is exported and imported
> by an application. Use a link list to track VMAs the BO been mapped.
> 
> Signed-off-by: Lizhi Hou <lizhi.hou@....com>

Reviewed-by: Jeff Hugo <jeff.hugo@....qualcomm.com>

I think this was just a one time glitch, but please remember to include 
a changelog for v2+.