linux-kernel - Re: [PATCH 5.4 000/134] 5.4.283-rc1 review

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Message-ID: <092aa55c-0538-41e5-8ed0-d0a96b06f32e@roeck-us.net>
Date: Thu, 5 Sep 2024 10:52:05 -0700
From: Guenter Roeck <linux@...ck-us.net>
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, 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, broonie@...nel.org, Helge Deller <deller@....de>
Subject: Re: [PATCH 5.4 000/134] 5.4.283-rc1 review

On 9/1/24 09:15, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.4.283 release.
> There are 134 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 Tue, 03 Sep 2024 16:07:34 +0000.
> Anything received after that time might be too late.
> 
[ ... ]

> Helge Deller <deller@....de>
>      parisc: Use irq_enter_rcu() to fix warning at kernel/context_tracking.c:367
> 

irq_enter_rcu() does not exist in v5.4.y and v4.19.y, resulting in the following
build errors in v4.19.y and v5.4.y.

Building parisc:allnoconfig ... failed
--------------
Error log:
arch/parisc/kernel/irq.c: In function 'do_cpu_irq_mask':
arch/parisc/kernel/irq.c:523:9: error: implicit declaration of function 'irq_enter_rcu'; did you mean 'irq_enter'? [-Werror=implicit-function-declaration]
   523 |         irq_enter_rcu();
       |         ^~~~~~~~~~~~~
       |         irq_enter
arch/parisc/kernel/irq.c:558:9: error: implicit declaration of function 'irq_exit_rcu'; did you mean 'irq_exit'? [-Werror=implicit-function-declaration]
   558 |         irq_exit_rcu();
       |         ^~~~~~~~~~~~
       |         irq_exit

Guenter