linux-kernel - Re: [PATCH 4.14 00/25] 4.14.333-rc1 review

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Message-ID: <f63a13c6-7e19-42a9-89fd-c37249a855eb@linaro.org>
Date:   Mon, 11 Dec 2023 13:46:03 -0600
From:   Daniel Díaz <daniel.diaz@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org
Cc:     patches@...ts.linux.dev, linux-kernel@...r.kernel.org,
        torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
        linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, pavel@...x.de, jonathanh@...dia.com,
        f.fainelli@...il.com, sudipm.mukherjee@...il.com,
        srw@...dewatkins.net, rwarsow@....de, conor@...nel.org,
        allen.lkml@...il.com, arnd@...db.de
Subject: Re: [PATCH 4.14 00/25] 4.14.333-rc1 review

Hello!

On 11/12/23 12:20 p. m., Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.14.333 release.
> There are 25 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, 13 Dec 2023 18:19:59 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.333-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h
> 
> -------------
> Pseudo-Shortlog of commits:
> 
> Greg Kroah-Hartman <gregkh@...uxfoundation.org>
>      Linux 4.14.333-rc1
> 
[...]
> 
> Arnd Bergmann <arnd@...db.de>
>      ARM: PL011: Fix DMA support
[...]

We see a build problem with this commit (at least) on 4.14:
-----8<-----
   /builds/linux/kernel/sched/core.c: In function 'sched_init':
   /builds/linux/kernel/sched/core.c:5962:30: warning: the comparison will always evaluate as 'false' for the address of 'cpu_isolated_map' will never be NULL [-Waddress]
    5962 |         if (cpu_isolated_map == NULL)
         |                              ^~
   /builds/linux/kernel/sched/core.c:87:15: note: 'cpu_isolated_map' declared here
      87 | cpumask_var_t cpu_isolated_map;
         |               ^~~~~~~~~~~~~~~~
   /builds/linux/drivers/tty/serial/amba-pl011.c: In function 'pl011_dma_tx_refill':
   /builds/linux/drivers/tty/serial/amba-pl011.c:657:27: error: 'DMA_MAPPING_ERROR' undeclared (first use in this function)
     657 |         if (dmatx->dma == DMA_MAPPING_ERROR) {
         |                           ^~~~~~~~~~~~~~~~~
   /builds/linux/drivers/tty/serial/amba-pl011.c:657:27: note: each undeclared identifier is reported only once for each function it appears in
   make[4]: *** [/builds/linux/scripts/Makefile.build:329: drivers/tty/serial/amba-pl011.o] Error 1
   make[4]: Target '__build' not remade because of errors.
----->8-----

Reverting that patch makes the build for arm/u8500_defconfig. We'll continue looking for other things.

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

Greetings!

Daniel Díaz
daniel.diaz@...aro.org