Date: Wed, 9 Jun 2004 14:06:40 -0500 (CDT)
From: Mike Silbersack <silby@silby.com>
To: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Cc: cvs-all@FreeBSD.org
Subject: panic("boring") was: Re: cvs commit: src/sys/kern kern_proc.c
Message-ID: <20040609140517.L17265@odysseus.silby.com>
In-Reply-To: <20040609190258.GY12007@darkness.comp.waw.pl>
References: <20040609182041.GV12007@darkness.comp.waw.pl> <Pine.BSF.4.21.0406091151050.57882-100000@InterJet.elischer.org> <20040609190258.GY12007@darkness.comp.waw.pl>
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On Wed, 9 Jun 2004, Pawel Jakub Dawidek wrote: > +> > (thread2 sets ref_cnt to 0, but thread1 destroys objects) we free object > +> > only once. Cool, I like it:) > +> > +> the reference count must never be read or written after the [cleanup] > +> because it may free the page on which teh counter is kept. > > Right... Nice catch. So Bosko probebly have to rethink his model. Due to the length and unimportance of this thread, I officially dub it: "Locking the Bikeshed" Well, at least we're done painting it... Mike "Silby" Silbersack
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