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Re: [PATCH] sparc* bits/atomic.h

From: Roland McGrath <roland at redhat dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: Ulrich Drepper <drepper at redhat dot com>,Glibc hackers <libc-hacker at sources dot redhat dot com>
Date: Sun, 30 Mar 2003 15:59:47 -0800
Subject: Re: [PATCH] sparc* bits/atomic.h

> On Sun, Mar 30, 2003 at 03:40:01PM -0800, Roland McGrath wrote:
> > > sparc32 (not v9) lacks compare and swap, so it is implemented using
> > > test-and-set and a global lock. IMHO better than no locking at all,
> > > performance will suck as usually on those aging boxes.
> > 
> > Are there any actual MP boxes using those chips that Linux runs on?
> 
> Yes, there are.

Oh well, tough noogies for them.

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