From mboxrd@z Thu Jan  1 00:00:00 1970
From: Grant Grundler <grundler@parisc-linux.org>
Subject: Re: [parisc-linux] memory barriers, spinlocks, debuglocks, oh my
Date: Sun, 29 Aug 2004 22:06:35 -0600
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To: Kyle McMartin <kyle@mcmartin.ca>
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On Sun, Aug 29, 2004 at 12:13:18PM -0400, Kyle McMartin wrote:
> On Sun, Aug 29, 2004 at 04:11:10PM +0000, Joel Soete wrote:
> > Sorry, but here I am confused: for parisc-linux unlock means (x)->lock = 1?
> > 
> Yes, because the only atomic instruction we have is load and clear.

I think you missed Joel's point.
Where does SPIN_UNLOCK set the register that it stores to 1?

grant

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