From owner-cvs-all  Thu Jul 25 13:40:27 2002
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Date: Thu, 25 Jul 2002 13:20:29 -0700 (PDT)
From: Julian Elischer <julian@elischer.org>
To: John Baldwin <jhb@FreeBSD.org>
Cc: Julian Elischer <julian@FreeBSD.org>, cvs-all@FreeBSD.org,
	cvs-committers@FreeBSD.org
Subject: RE: cvs commit: src/sys/i386/i386 trap.c src/sys/kern kern_threa
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the value is only set to our thread pointer if We set it..
if any other thread touches it it will still not resolve to equality.
whether we win or lose the race, the test for equality with our thread
pointer will still not evaluate to true.


On Thu, 25 Jul 2002, John Baldwin wrote:

> 
> On 24-Jul-2002 Julian Elischer wrote:
> > julian      2002/07/24 16:21:05 PDT
> > 
> >   Modified files:
> >     sys/i386/i386        trap.c 
> >     sys/kern             kern_thread.c 
> >   Log:
> >   Add some locking asserts and some comments
> 
> Why is it safe to read a stale value?
> 
> -- 
> 
> John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
> "Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/
> 


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