linux-kernel - Re: [PATCH 5.15 000/245] 5.15.150-rc1 review

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Date: Tue, 27 Feb 2024 12:56:32 -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, paul@...pouillou.net
Subject: Re: [PATCH 5.15 000/245] 5.15.150-rc1 review

Hello!

On 27/02/24 7:23 a. m., Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.15.150 release.
> There are 245 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 Thu, 29 Feb 2024 13:15:36 +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/v5.x/stable-review/patch-5.15.150-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-5.15.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

We're seeing build regressions here with RISC-V, with GCC 8, GCC 12, and Clang 17:

-----8<-----
   In file included from /builds/linux/include/linux/list.h:9,
                    from /builds/linux/include/linux/module.h:12,
                    from /builds/linux/drivers/net/ethernet/realtek/r8169_main.c:12:
   /builds/linux/drivers/net/ethernet/realtek/r8169_main.c:5512:35: error: 'rtl8169_pm_ops' undeclared here (not in a function); did you mean 'rtl8169_poll'?
    5512 |         .driver.pm      = pm_ptr(&rtl8169_pm_ops),
         |                                   ^~~~~~~~~~~~~~
   /builds/linux/include/linux/kernel.h:46:44: note: in definition of macro 'PTR_IF'
      46 | #define PTR_IF(cond, ptr)       ((cond) ? (ptr) : NULL)
         |                                            ^~~
   /builds/linux/drivers/net/ethernet/realtek/r8169_main.c:5512:27: note: in expansion of macro 'pm_ptr'
    5512 |         .driver.pm      = pm_ptr(&rtl8169_pm_ops),
         |                           ^~~~~~
   make[5]: *** [/builds/linux/scripts/Makefile.build:289: drivers/net/ethernet/realtek/r8169_main.o] Error 1
----->8-----

Bisection points to:

   commit ac2871f646a8f556203f5b6be875ce406d855ddb
   Author: Paul Cercueil <paul@...pouillou.net>
   Date:   Tue Dec 7 00:20:59 2021 +0000
       PM: core: Redefine pm_ptr() macro
       
       [ Upstream commit c06ef740d401d0f4ab188882bf6f8d9cf0f75eaf ]

A revert could not be done cleanly.

Tuxmake reproducer:

   tuxmake --runtime podman --target-arch riscv --toolchain gcc-12 --kconfig defconfig

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


Greetings!

Daniel Díaz
daniel.diaz@...aro.org