linux-kernel - Re: [PATCH 5.15 000/411] 5.15.186-rc1 review

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Message-ID: <82683e59-308c-4ef5-b12a-3d929a3e6036@roeck-us.net>
Date: Mon, 21 Jul 2025 07:12:39 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Martin Blumenstingl <martin.blumenstingl@...glemail.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
Subject: Re: [PATCH 5.15 000/411] 5.15.186-rc1 review

On 7/14/25 12:56, Martin Blumenstingl wrote:
> Hi Greg,
> 
> On Sat, Jul 12, 2025 at 2:37 PM Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
>>
>> On Tue, Jul 08, 2025 at 06:05:14PM +0200, Martin Blumenstingl wrote:
>>> Hi Guenter,
>>>
>>> On Mon, Jul 7, 2025 at 8:05 PM Guenter Roeck <linux@...ck-us.net> wrote:
>>>>
>>>> On Mon, Jun 23, 2025 at 03:02:24PM +0200, Greg Kroah-Hartman wrote:
>>>>> This is the start of the stable review cycle for the 5.15.186 release.
>>>>> There are 411 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, 25 Jun 2025 13:05:51 +0000.
>>>>> Anything received after that time might be too late.
>>>>>
>>>> ...
>>>>> Martin Blumenstingl <martin.blumenstingl@...glemail.com>
>>>>>      drm/meson: use unsigned long long / Hz for frequency types
>>>>>
>>>>
>>>> This patch triggers:
>>>>
>>>> Building arm:allmodconfig ... failed
>>>> --------------
>>>> Error log:
>>>> drivers/gpu/drm/meson/meson_vclk.c:399:17: error: this decimal constant is unsigned only in ISO C90 [-Werror]
>>>>    399 |                 .pll_freq = 2970000000,
>>>>
>>>> and other similar problems. This is with gcc 13.4.0.
>>> Sorry to hear that this is causing issues.
>>> Are you only seeing this with the backport on top of 5.15 or also on
>>> top of mainline or -next?
>>>
>>> If it's only for 5.15 then personally I'd be happy with just skipping
>>> this patch (and the ones that depend on it).
>>
>> It's already merged, and I see these errors in the Android build reports
>> now.  I think they've just disabled the driver entirely to get around it :(
> Can you confirm that only 5.15 is affected - or do you also see
> problems with other stable versions?
> 

Only 5.15.y is affected. I think that is due to "-std=gnu11" which was introduced
around v5.18.

Guenter