From: Bill Huey (Hui) <billh@gnuppy.monkey.org>
To: Ming Lei <lei.ming@attbi.com>
Cc: linux-kernel@vger.kernel.org,
"Bill Huey (Hui)" <billh@gnuppy.monkey.org>
Subject: Re: linux rt priority thread corrupt global variable?
Date: Thu, 8 May 2003 03:42:51 -0700 [thread overview]
Message-ID: <20030508104251.GA21537@gnuppy.monkey.org> (raw)
In-Reply-To: <20030508095911.GA20934@gnuppy.monkey.org>
On Thu, May 08, 2003 at 02:59:11AM -0700, Bill Huey wrote:
> On Thu, May 08, 2003 at 02:52:38AM -0700, Bill Huey wrote:
> > No, it's not a fully preemptive kernel, but spreads preemption points
> > throughout the source tree, both directly and indirectly, instead. Spinlocks
> > are the primary mutex of choice in Linux and create atomic critical sections
> > that can't be preempted with respect to the normal Linux scheduler. Fully
>
> Geez, this isn't exactly right either, my brain is failing me at the moment.
I was right the first time. :) Just remember why breaking a spinlock is
a bad thing to do. :)
bill
next prev parent reply other threads:[~2003-05-08 10:30 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-08 9:03 linux rt priority thread corrupt global variable? Ming Lei
2003-05-08 9:43 ` Jörn Engel
2003-05-08 16:59 ` Ming Lei
2003-05-08 9:51 ` Arjan van de Ven
2003-05-08 9:52 ` Bill Huey
2003-05-08 9:59 ` Bill Huey
2003-05-08 10:42 ` Bill Huey [this message]
2003-05-08 20:45 ` Roger Larsson
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