linux-kernel - preempt_disable() question

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Message-ID: <7783925d0803181914n16b0a221l179cc350bc2f3f89@mail.gmail.com>
Date:	Wed, 19 Mar 2008 07:44:33 +0530
From:	"Rick Brown" <rick.brown.3@...il.com>
To:	"Linux Kernel" <linux-kernel@...r.kernel.org>
Subject: preempt_disable() question

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?

TIA,

Rick
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