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From: LaMont Jones <lamont@security.hp.com>
To: Matthew Wilcox <Matthew.Wilcox@genedata.com>
Cc: LaMont Jones <lamont@security.hp.com>,
	parisc-linux@thepuffingroup.com, lamont@security.hp.com
Subject: Re: [parisc-linux] xchg implementation
Date: Tue, 02 Nov 1999 07:10:58 -0700	[thread overview]
Message-ID: <19991102141105.9EB1518708@security.hp.com> (raw)
In-Reply-To: Your message of "Tue, 02 Nov 1999 09:53:40 +0100." <19991102095340.D516@mencheca.ch.genedata.com>

> > IIRC, CR24 and 25 are readable from user space (not writable), and can be
> > quite useful for thread specific data, thread id, etc...  It might do to
> > leave them available for such a use.
> You're thinking of CR26 and 27 (ref: Kane's PA-RISC 2.0 Architecture,
> page 2-17).  CR31 _is_ used, I didn't read carefully enough:

And the worst of it is that I knew that.  Sigh...

thanks for the clarification,
lamont

  reply	other threads:[~1999-11-02 14:09 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1999-10-31 18:37 [parisc-linux] xchg implementation Matthew Wilcox
1999-11-01 21:03 ` LaMont Jones
1999-11-02  8:53   ` Matthew Wilcox
1999-11-02 14:10     ` LaMont Jones [this message]
1999-11-06 19:22     ` Philipp Rumpf

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