From: Arjan van de Ven <arjanv@redhat.com>
To: "Peter Wächtler" <pwaechtler@mac.com>
Cc: Manfred Spraul <manfred@colorfullife.com>,
linux-kernel@vger.kernel.org, akpm@osdl.org, torvalds@osdl.org,
bo.z.li@intel.com
Subject: Re: [PATCH] [2/2] posix message queues
Date: Sun, 05 Oct 2003 16:39:26 +0200 [thread overview]
Message-ID: <1065364766.5032.2.camel@laptop.fenrus.com> (raw)
In-Reply-To: <1065282666.2448.57.camel@picklock.adams.family>
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On Sun, 2003-10-05 at 14:42, Peter Wächtler wrote:
> > What's the difference between remove_wait_queue() and
> > local_remove_wait_queue?
> >
>
> don't disable local_irq , because no irq involved
> don't know how expensive a local_irq_save is on SMP
like 5 to 7 cycles typically
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next prev parent reply other threads:[~2003-10-05 14:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-03 15:59 Peter Wächtler
2003-10-03 18:16 ` Manfred Spraul
2003-10-05 12:42 ` Peter Wächtler
2003-10-05 14:39 ` Arjan van de Ven [this message]
2003-10-05 15:58 ` Ulrich Drepper
2003-10-03 22:22 ` Jakub Jelinek
2003-10-05 12:42 ` Peter Wächtler
2003-10-04 6:39 ` Ulrich Drepper
2003-11-25 11:42 [PATCH] 2/2 POSIX " Michal Wronski
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