linux-kernel - Re: [PATCH 6.12 000/105] 6.12.49-rc1 review

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Message-ID: <819426da-274d-447b-a5b7-a28c8f535a6d@roeck-us.net>
Date: Fri, 26 Sep 2025 09:37:06 -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,
 hargar@...rosoft.com, broonie@...nel.org, achill@...ill.org
Subject: Re: [PATCH 6.12 000/105] 6.12.49-rc1 review

On 9/22/25 12:28, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.12.49 release.
> There are 105 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, 24 Sep 2025 19:23:52 +0000.
> Anything received after that time might be too late.
> 

Build results:
	total: 168 pass: 166 fail: 2
Failed builds:
	parisc:allmodconfig
	s390:allmodconfig

Error log:
In file included from <command-line>:
drivers/gpu/drm/i915/display/intel_backlight.c: In function 'scale':
include/linux/compiler_types.h:536:45: error: call to '__compiletime_assert_666' declared with attribute error: clamp() low limit source_min greater than high limit source_max
   536 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)

The code itself did not change. I strongly suspect that the minmax changes
trigger the problem. Indeed, the build passes after

df39a65668cb (HEAD -> linux-6.12.y) Revert "minmax.h: use BUILD_BUG_ON_MSG() for the lo < hi test in clamp()"
356a10d8a174 Revert "minmax.h: move all the clamp() definitions after the min/max() ones"
3f151683a9ba Revert "minmax.h: simplify the variants of clamp()"
644728e524c4 Revert "minmax.h: remove some #defines that are only expanded once"

Guenter