From 1613cc1119ecdb1bdb950da53065e615e4c4b8db Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sat, 25 Jun 2011 10:57:57 +0100
Subject: [PATCH] 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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