linux-kernel - Re: [PATCH 5.10 00/84] 5.10.193-rc1 review

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Message-ID: <CAOLZvyEuj=93tpObwDgyAK01Jyz8NfXQzJfAX5=vVwG1wxo-cA@mail.gmail.com>
Date:   Wed, 30 Aug 2023 19:38:09 +0200
From:   Manuel Lauss <manuel.lauss@...il.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable <stable@...r.kernel.org>, patches@...ts.linux.dev,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>, shuah@...nel.org,
        patches@...nelci.org, lkft-triage@...ts.linaro.org,
        Pavel Machek <pavel@...x.de>, jonathanh@...dia.com,
        sudipm.mukherjee@...il.com, srw@...dewatkins.net, rwarsow@....de,
        conor@...nel.org, Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Subject: Re: [PATCH 5.10 00/84] 5.10.193-rc1 review

Hello all,

Florian Fainelli <f.fainelli@...il.com> schrieb am Mi., 30. Aug. 2023, 19:07:
>
> + Manuel,
>
> On 8/30/23 09:01, Guenter Roeck wrote:
> > On 8/30/23 03:52, Greg Kroah-Hartman wrote:
> >> On Mon, Aug 28, 2023 at 09:42:11AM -0700, Guenter Roeck wrote:
> >>> On 8/28/23 03:13, Greg Kroah-Hartman wrote:
> >>>> This is the start of the stable review cycle for the 5.10.193 release.
> >>>> There are 84 patches in this series, all will be posted as a response
> >>>> to this one.  If anyone has any issues with these being applied, please
> >>>> let me know.
> >>>>
> >>>> Responses should be made by Wed, 30 Aug 2023 10:11:30 +0000.
> >>>> Anything received after that time might be too late.
> >>>>
> >>>
> >>> FWIW, commit 619672bf2d04 ("MIPS: Alchemy: fix dbdma2") should be
> >>> reverted
> >>> v5.10.y since it doesn't fix anything but breaks the build for
> >>> affected boards
> >>> completely.
> >>>
> >>> arch/mips/alchemy/common/dbdma.c: In function 'au1xxx_dbdma_put_source':
> >>> arch/mips/alchemy/common/dbdma.c:632:14: error:
> >>> 'dma_default_coherent' undeclared
> >>>
> >>> There is no 'dma_default_coherent' in v5.10.y.
> >>
> >> But that was added in 5.10.185, from back in June.  What changed to
> >> suddenly cause this to fail now?
> >>
> >
> > Nothing. I started to build this configuration and tracked down the
> > problem after the build failure was reported by others. Sorry, I didn't
> > initially realize that this is an old problem.
>
> We could back port 6d4e9a8efe3d59f31367d79e970c2f328da139a4 ("driver
> core: lift dma_default_coherent into common code") but that won't work
> too well on 4.14 or 4.19. I believe it would be simpler to adjust the
> branches with this patch, Manuel does that work?

Please drop this patch from all stable releases. I didn't CC stable
when I submitted it,
and have no idea why it ended up there anyway.
It was intended to fix a problem initially found in 5.18 (I think).

Thanks!
        Manuel