linux-kernel - Re: [PATCH 6.6 000/113] 6.6.91-rc2 review

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Message-ID: <e1ea37bd-ea7d-4e8a-bb2f-6be709eb99f4@roeck-us.net>
Date: Wed, 14 May 2025 13:49:06 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: stable@...r.kernel.org, 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, hargar@...rosoft.com, broonie@...nel.org,
 Darren Kenny <darren.kenny@...cle.com>
Subject: Re: [PATCH 6.6 000/113] 6.6.91-rc2 review

On 5/14/25 13:33, Harshit Mogalapalli wrote:
> Hi Greg,
> 
> On 15/05/25 01:35, Greg Kroah-Hartman wrote:
>> On Thu, May 15, 2025 at 12:29:40AM +0530, Harshit Mogalapalli wrote:
>>> Hi Greg,
>>> On 14/05/25 18:34, Greg Kroah-Hartman wrote:
>>>> This is the start of the stable review cycle for the 6.6.91 release.
>>>> There are 113 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 Fri, 16 May 2025 12:55:38 +0000.
>>>> Anything received after that time might be too late.
>>>
>>> ld: vmlinux.o: in function `patch_retpoline':
>>> alternative.c:(.text+0x3b6f1): undefined reference to `module_alloc'
>>> make[2]: *** [scripts/Makefile.vmlinux:37: vmlinux] Error 1
>>>
>>> We see this build error in 6.6.91-rc2 tag.
>>
>> What is odd about your .config?  Have a link to it?  I can't duplicate
>> it here on my builds.
>>
> 
> So this is a config where CONFIG_MODULES is unset(!=y) -- with that we could reproduce it on defconfig + disabling CONFIG_MODULES as well.
> 

Key is the combination of CONFIG_MODULES=n with CONFIG_MITIGATION_ITS=y.

Guenter