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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

      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]

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