On Fri, Aug 21, 2020 at 09:21:37AM +0000, Robin Gong wrote:

On 2020/08/21 12:34 Richard Leitner [off-list ref] wrote: 

quoted

On Thu, Aug 20, 2020 at 03:01:44PM +0000, Robin Gong wrote:

quoted

On 2020/08/19 22:26 Benjamin Bara - SKIDATA [off-list ref]

wrote:

quoted

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@Robin:
Is it possible to tag the commits for the stable-tree
Cc: stable@vger.kernel.org?

Could my patch work in your side? If yes, I will add
Cc: stable@vger.kernel.org

I've tested the patches 3 & 4 (removing sdmac->context_loaded) of the series
you mentioned and sent Tested-by tags for them [1,2], as they fix the EIO
problems for our use case.

So from our side they are fine for stable.

Okay, I thought that's just decrease the issue in your side not totally fix, and the patch

As Benjamin mentioned the issue isn't "fixed" for us from the logical/
technical side.
Nonetheless the EIO error won't occur anymore with the patches applied.
Therefore the issue is for me "fixed from a userspace point of view", as
they don't get/see the error anymore.

I post in https://www.spinics.net/lists/arm-kernel/msg829972.html
could resolve the potential next descriptor wrongly freed by vchan_get_all_descriptors
in sdma_channel_terminate_work. Anyway, I'll add ' Cc: stable@vger.kernel.org' and
your Tested-by tags in 3&4, then resend it again, thanks.

Great. Thank you!

regards;rl


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