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From: Rob Landley <rob@landley.net>
To: musl@lists.openwall.com
Subject: Re: musl 0.9.8 released
Date: Wed, 28 Nov 2012 15:35:56 -0600	[thread overview]
Message-ID: <1354138556.2190.6@driftwood> (raw)
In-Reply-To: <20121128130507.GP20323@brightrain.aerifal.cx> (from dalias@aerifal.cx on Wed Nov 28 07:05:07 2012)

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

  reply	other threads:[~2012-11-28 21:35 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-27  2:49 Rich Felker
2012-11-27 11:31 ` Szabolcs Nagy
2012-11-27 14:46   ` Rich Felker
2012-11-28  2:43 ` Isaac Dunham
2012-11-28  3:39   ` Rich Felker
2012-11-28  4:51     ` Isaac Dunham
2012-11-28 13:05       ` Rich Felker
2012-11-28 21:35         ` Rob Landley [this message]
2012-11-28 23:53           ` Rich Felker
2012-11-29  0:52             ` Rob Landley
2012-12-03 13:11 ` Szabolcs Nagy
2012-12-03 17:30   ` Rich Felker
2012-12-03 22:03     ` Szabolcs Nagy

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