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Date: Wed, 28 Nov 2012 15:35:56 -0600
From: Rob Landley <rob@...dley.net>
To: musl@...ts.openwall.com
Subject: Re: musl 0.9.8 released
On 11/28/2012 07:05:07 AM, Rich Felker wrote:
> This is fairly comparable to the mips1 issue and the need for ll/sc
> emulation by the kernel. i386 is just fundamentally lacking in a way
> that makes multi-tasking/multi-threading not workable with the POSIX
> apis for it. The kernel should be emulating 'lock cmpxchg', like it
> does ll/sc for mips1, and if it did, 386 would work fine. But
> apparently nobody cares anyway..
Actually this just got removed literally today:
https://lkml.org/lkml/2012/11/28/445
If I recall, there was a longish discussion that boiled down to nobody
could find actual 386 hardware still in use to test any of this with.
Technically intel still made them until 5 years ago, but for aerospace
and such rather than use in general purpose computers:
http://www.reghardware.com/2006/05/18/intel_cans_386_486_960_cpus/
Rob
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