linux-kernel - Re: [PATCH] lockdep: Fix static memory detection even more

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Date:   Thu, 21 Sep 2023 11:03:14 +0200
From:   "Linux regression tracking #update (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     Guenter Roeck <linux@...ck-us.net>, Helge Deller <deller@....de>
Cc:     linux-kernel@...r.kernel.org, linux-parisc@...r.kernel.org,
        Linux kernel regressions list <regressions@...ts.linux.dev>
Subject: Re: [PATCH] lockdep: Fix static memory detection even more

[TLDR: This mail in primarily relevant for Linux regression tracking. A
change or fix related to the regression discussed in this thread was
posted or applied, but it did not use a Closes: tag to point to the
report, as Linus and the documentation call for. Things happen, no
worries -- but now the regression tracking bot needs to be told manually
about the fix. See link in footer if these mails annoy you.]

On 10.09.23 13:20, Linux regression tracking #adding (Thorsten Leemhuis)
wrote:
> On 03.09.23 21:36, Guenter Roeck wrote:
>>
>> On Sat, Aug 12, 2023 at 05:48:52PM +0200, Helge Deller wrote:
>>> On the parisc architecture, lockdep reports for all static objects which
>>> are in the __initdata section (e.g. "setup_done" in devtmpfs,
>>> "kthreadd_done" in init/main.c) this warning:
>>>
>>> 	INFO: trying to register non-static key.
>>>
>> [...]
>>> Signed-off-by: Helge Deller <deller@....de>
>>> Fixes: bac59d18c701 ("x86/setup: Fix static memory detection")
>>
>> On loongarch, this patch results in the following backtrace.
>> [...]> # first bad commit: [0a6b58c5cd0dfd7961e725212f0fc8dfc5d96195]
> lockdep: fix static memory detection even more
> 
> Thanks for the report. To be sure the issue doesn't fall through the
> cracks unnoticed, I'm adding it to regzbot, the Linux kernel regression
> tracking bot:
> 
> #regzbot ^introduced 0a6b58c5cd0dfd7961e725212f0fc8dfc5d961
> #regzbot title lockdep: backtrace on loongarch
> #regzbot ignore-activity

Fix fow in next (as 68ffa230daa0d35b7cce476098433d763d5fd42f)

#regzbot fix: LoongArch: Fix lockdep static memory detection
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
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