linux-kernel - Re: [PATCH v3 05/11] percpu: Wire up cmpxchg128

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Date:   Fri, 26 May 2023 00:59:15 +0200
From:   Petr Tesařík <petr@...arici.cz>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     torvalds@...ux-foundation.org, corbet@....net, will@...nel.org,
        boqun.feng@...il.com, mark.rutland@....com,
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Subject: Re: [PATCH v3 05/11] percpu: Wire up cmpxchg128

On Thu, 25 May 2023 14:49:55 +0200
Peter Zijlstra <peterz@...radead.org> wrote:

>[...]
> Build tested i386-defconfig.
> 
> (the things we do for museum pieces :/)

I have always thought it's not done for museum pieces but rather for
dumb emulators. I can vaguely recall a reverse-engineered MIPS firmware
which was able to run i386 binaries, but not i586...

Petr T