From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sat, 25 Jun 2011 09:57:57 +0000 (+0100)
Subject: ARM: entry: no need to increase preempt count for IRQ handlers
X-Git-Tag: v3.1-rc1~258^2~1^3~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1613cc1119ecdb1bdb950da53065e615e4c4b8db;p=pandora-kernel.git

ARM: entry: no need to increase preempt count for IRQ handlers

irq_enter() and irq_exit() already take care of the preempt_count
handling for interrupts, which increment and decrement the hardirq
bits of the preempt count.  So we can remove the preempt count handing
in our IRQ entry/exit assembly, like x86 did some 9 years ago.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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