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

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Message-ID: <93bf01cb-e9c0-1091-d8bd-0ab6c666067c@amd.com>
Date: Fri, 28 Mar 2025 13:04:38 -0700
From: Lizhi Hou <lizhi.hou@....com>
To: Jeff Hugo <jeff.hugo@....qualcomm.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 3/28/25 09:16, Jeff Hugo wrote:
> 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+.

Thanks a lot. Added log and pushed to drm-misc-next.


Lizhi