linux-kernel - Re: [PATCH v2] media: venus: dec: Fix handling of the start cmd

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <75ba0395-7c82-0b72-b954-41c8e4e026d2@quicinc.com>
Date:   Wed, 5 Apr 2023 15:12:31 +0530
From:   Dikshita Agarwal <quic_dikshita@...cinc.com>
To:     Michał Krawczyk <mk@...ihalf.com>,
        Vikash Garodia <vgarodia@....qualcomm.com>
CC:     Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        "Vikash Garodia (QUIC)" <quic_vgarodia@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        "Mauro Carvalho Chehab" <mchehab@...nel.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mw@...ihalf.com" <mw@...ihalf.com>
Subject: Re: [PATCH v2] media: venus: dec: Fix handling of the start cmd


On 4/5/2023 2:59 PM, Michał Krawczyk wrote:
> Hi,
>
> just a kindly reminder about the patch.
>
> Thanks,
> Michał

Hi Michal,

this patch is part of latest PR 
https://patchwork.linuxtv.org/project/linux-media/patch/20230404192722.144496-1-stanimir.k.varbanov@gmail.com/ 


Thanks,

Dikshita

> pt., 10 mar 2023 o 16:05 Michał Krawczyk <mk@...ihalf.com> napisał(a):
>> Hi,
>>
>> Any update on this patch? It would be great if we could make some
>> progress there (and, hopefully, finally merge it :))
>>
>> Thanks,
>> Michał
>>
>> pt., 10 lut 2023 o 16:18 Michał Krawczyk <mk@...ihalf.com> napisał(a):
>>> Hi,
>>>
>>> I'm wondering if there are any more comments for this patch? I would
>>> be happy to clarify anything that's unclear or improve the code if
>>> needed.
>>>
>>> I know it's pretty late, but it would be really great if this fix
>>> could land before v6.2 is released, so I'd appreciate your help and
>>> review.
>>>
>>> Thank you,
>>> Michał
>>>
>>> wt., 7 lut 2023 o 12:15 Michał Krawczyk <mk@...ihalf.com> napisał(a):
>>>> wt., 7 lut 2023 o 10:54 Vikash Garodia <vgarodia@....qualcomm.com> napisał(a):
>>>>> I have reviewed the patch, and the drain sequence handling looks good to me.
>>>>> Could you share some details on the test client which you are using to catch this issue ?
>>>> Hi Vikash,
>>>>
>>>> Thank you for looking at the code!
>>>>
>>>> I've been testing it using the Chromium implementation of the V4L2
>>>> codec [1]. Meanwhile, we were running a test suite which changes the
>>>> encryption method in the middle of the video decoding. This triggers
>>>> the flush behavior and the Chromium sends the stop/start cmd to the
>>>> V4L2 kernel component, and the test expects the video to continue the
>>>> playback normally. Unfortunately, it was causing a stall of the video
>>>> at the same time.
>>>>
>>>> [1] https://source.chromium.org/chromium/chromium/src/+/main:media/gpu/v4l2/
>>>>
>>>>>> Thank you,
>>>>>> Michał
>>>>> Thanks,
>>>>> Vikash