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

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Message-ID: <54e21b79-a7bd-4e35-ae0f-268daeda5557@roeck-us.net>
Date: Wed, 14 May 2025 13:47:15 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
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 13:05, 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.
> 

Start with allnoconfig and add configuration flags until CONFIG_MITIGATION_ITS
is enabled while CONFIG_MODULES is still disabled. Adding

CONFIG_64BIT=y
CONFIG_CPU_MITIGATIONS=y
CONFIG_RETHUNK=y

followed by "make olddefconfig" should do.

Guenter