linux-kernel - Re: [PATCH v1] drm/scheduler: Don't kill jobs in interrupt context

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Message-ID: <25d90169-24df-69b5-8a5e-5c9b49a621ae@collabora.com>
Date:   Fri, 15 Jul 2022 18:24:32 +0300
From:   Dmitry Osipenko <dmitry.osipenko@...labora.com>
To:     Andrey Grodzovsky <andrey.grodzovsky@....com>,
        Alex Deucher <alexdeucher@...il.com>
Cc:     Thomas Zimmermann <tzimmermann@...e.de>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Erico Nunes <nunes.erico@...il.com>,
        Steven Price <steven.price@....com>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        David Airlie <airlied@...ux.ie>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Alyssa Rosenzweig <alyssa.rosenzweig@...labora.com>,
        Dmitry Osipenko <digetx@...il.com>
Subject: Re: [PATCH v1] drm/scheduler: Don't kill jobs in interrupt context

On 7/15/22 18:18, Andrey Grodzovsky wrote:
> 
> On 2022-07-14 17:16, Alex Deucher wrote:
>> On Thu, Jul 14, 2022 at 1:58 PM Andrey Grodzovsky
>> <andrey.grodzovsky@....com> wrote:
>>> On 2022-07-14 12:22, Alex Deucher wrote:
>>>
>>>> On Thu, Jul 14, 2022 at 10:14 AM Andrey Grodzovsky
>>>> <andrey.grodzovsky@....com> wrote:
>>>>> On 2022-07-14 05:57, Dmitry Osipenko wrote:
>>>>>> On 7/12/22 11:56, Dmitry Osipenko wrote:
>>>>>>> On 7/6/22 18:46, Alex Deucher wrote:
>>>>>>>> On Wed, Jul 6, 2022 at 9:49 AM Andrey Grodzovsky
>>>>>>>> <andrey.grodzovsky@....com> wrote:
>>>>>>>>> On 2022-07-06 03:07, Dmitry Osipenko wrote:
>>>>>>>>>
>>>>>>>>>> Hello Andrey,
>>>>>>>>>>
>>>>>>>>>> On 5/17/22 17:48, Dmitry Osipenko wrote:
>>>>>>>>>>> On 5/17/22 17:13, Andrey Grodzovsky wrote:
>>>>>>>>>>>> Done.
>>>>>>>>>>>>
>>>>>>>>>>>> Andrey
>>>>>>>>>>> Awesome, thank you!
>>>>>>>>>>>
>>>>>>>>>> Given that this drm-scheduler issue needs to be fixed in the
>>>>>>>>>> 5.19-RC and
>>>>>>>>>> earlier, shouldn't it be in the drm-fixes and not in drm-next?
>>>>>>>>> I pushed it into drm-misc from where it got into drm-next. I
>>>>>>>>> don't have
>>>>>>>>> permission for drm-fixes.
>>>>>>>> The -fixes branch of drm-misc.
>>>>>>> Now I don't see the scheduler bugfix neither in the -fixes branch
>>>>>>> nor in
>>>>>>> the -next and today Dave sent out 5.19-rc7 pull request without the
>>>>>>> scheduler fix. Could anyone please check what is going on with
>>>>>>> the DRM
>>>>>>> patches? Thanks!
>>>>>>>
>>>>>>> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Ffreedesktop%2Fdrm-misc%2Fcommits%2Fdrm-misc-fixes&amp;data=05%7C01%7Candrey.grodzovsky%40amd.com%7C9585d3814d9b4e51bfcb08da65de368d%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637934302314091129%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=QjSspRJyOZpFOoaA988nH2V7Gq54gSUl6mm87B1sYhE%3D&amp;reserved=0
>>>>>>>
>>>>>>> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcgit.freedesktop.org%2Fdrm%2Fdrm-misc%2Flog%2F%3Fh%3Ddrm-misc-fixes&amp;data=05%7C01%7Candrey.grodzovsky%40amd.com%7C9585d3814d9b4e51bfcb08da65de368d%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637934302314091129%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=8ysjuD7Ufsyu5c%2BfRdpT9nkWHjotsd1cjCfy4yRw2uw%3D&amp;reserved=0
>>>>>>>
>>>>>> The patch is in the drm-misc-next-fixes, so it wasn't moved to the
>>>>>> drm-misc-fixes.
>>>>>>
>>>>>> Andrey, don't you have access to drm-misc-fixes? Or you meant
>>>>>> drm-fixes=drm-misc-fixes?
>>>>> I have only accesses to drm-misc-next to which I pushed this patch.
>>>> anyone with drm-misc rights can commit to any of the branches in the
>>>> drm-misc tree.  You just need to check out and push the appropriate
>>>> branch.  then push the changes.  E.g.,
>>>> dim push-branch drm-misc-next
>>>> vs
>>>> dim push-branch drm-misc-next-fixes
>>>> etc.
>>>>
>>>> Alex
>>>
>>> I see, but what  is the reason then that Dave sent out 5.19-rc7 pull
>>> request without the
>>> scheduler fix if the patch was merged into drm-misc-next long ago ? All
>>> the changes from
>>> there are usually picked up for pull requests, no ?
>> drm-misc-next is for new stuff for the next kernel (e.g., 5.20).
>> drm-misc-fixes is for fixes for the current kernel cycle (e.g., 5.19).
>> See:
>> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrm.pages.freedesktop.org%2Fmaintainer-tools%2Fdrm-misc.html&amp;data=05%7C01%7Candrey.grodzovsky%40amd.com%7C9585d3814d9b4e51bfcb08da65de368d%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637934302314091129%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=8IW3uNvSEogYjj%2BNKh1b9jkT5CaJ5osZ9GgEcI8zyqo%3D&amp;reserved=0
>>
>>
>> Alex
> 
> 
> Got it, Dmitry, I pushed this time to drm-misc-fixes so i hope this time
> it will be picked up for next rc release.

Great, thank you!

-- 
Best regards,
Dmitry