From: Greg KH <gregkh@linuxfoundation.org>
To: Lecopzer Chen <lecopzer.chen@mediatek.com>
Cc: stable@vger.kernel.org, yj.chiang@mediatek.com
Subject: Re: Request patch to -stable 4.4+ "media: v4l2-mem2mem: always consider OUTPUT queue during poll"
Date: Thu, 12 Aug 2021 15:20:35 +0200 [thread overview]
Message-ID: <YRUgI7GFRBfbWoy1@kroah.com> (raw)
In-Reply-To: <20210812115822.5411-1-lecopzer.chen@mediatek.com>
On Thu, Aug 12, 2021 at 07:58:22PM +0800, Lecopzer Chen wrote:
> Hi Greg
>
> Reason:
>
> We found without this, Poll() infinitely wait because OUTPUT queue
> will never signaled after last CAPTURE queue is de-queued.
> And some buffer can't be popped as expected.
>
>
> commit id: 566463afdbc43c7744c5a1b89250fc808df03833
> subject: "media: v4l2-mem2mem: always consider OUTPUT queue during poll"
>
> This should be applied to 4.4+ without conflict after
> (f1a81afc98e315f4bf600d28f8a19a5655f7cfe0 "[media] m2m: fix bad unlock balance")
Applied to 5.4.y, but if you want it to go older, we need backported
versions as it did not apply cleanly.
thanks,
greg k-h
prev parent reply other threads:[~2021-08-12 13:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-12 11:58 Request patch to -stable 4.4+ "media: v4l2-mem2mem: always consider OUTPUT queue during poll" Lecopzer Chen
2021-08-12 13:20 ` Greg KH [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YRUgI7GFRBfbWoy1@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=lecopzer.chen@mediatek.com \
--cc=stable@vger.kernel.org \
--cc=yj.chiang@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox