linux-kernel - Re: 32 bit qemu regression from v6.5 tip pull [6c480f222128 x86/alternative: Rewrite optimize

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Message-ID: <87h6kut1i5.ffs@tglx>
Date:   Thu, 07 Dec 2023 17:34:42 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:     "Linux regression tracking (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>, bp@...en8.de,
        linux-kernel@...r.kernel.org, peterz@...radead.org,
        richard.purdie@...uxfoundation.org, x86@...nel.org,
        Linux kernel regressions list <regressions@...ts.linux.dev>
Subject: Re: 32 bit qemu regression from v6.5 tip pull [6c480f222128
 x86/alternative: Rewrite optimize_nops() some]

On Wed, Dec 06 2023 at 10:46, Paul Gortmaker wrote:
> The config file and both "good" and "bad" files are there now:
>
> https://bugzilla.yoctoproject.org/show_bug.cgi?id=15230
>
> There are a lot more debug lines in the good/working output!
>
> $ grep alternatives: dmesg-debug-alt-good.txt | wc -l
> 4868
> $ grep alternatives: dmesg-debug-alt.txt | wc -l
> 19

Unsurprisingly so. The failing one dies right at the start of
alternative patching....