linux-kernel - Re: preempt_disable() question

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Message-Id: <1206030199.10894.201.camel@localhost.localdomain>
Date:	Thu, 20 Mar 2008 09:23:19 -0700
From:	Daniel Walker <dwalker@...sta.com>
To:	Rick Brown <rick.brown.3@...il.com>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: preempt_disable() question


On Wed, 2008-03-19 at 07:44 +0530, Rick Brown wrote:
> Hi,
> 
> I've asked this on kernel newbies before, but not enough responses.
> 
> Does preempt_disable() disable preemption on all the processors, or
> just the local processor?

Just the local processor.

Daniel

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