From: Kevin Hao <haokexin@gmail.com>
Date: Wed, 17 Apr 2013 09:50:35 +0000 (+0800)
Subject: powerpc: Remove the unneeded trigger of decrementer interrupt in decrementer_check_ov... 
X-Git-Tag: v3.11-rc1~94^2~132
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3139b0a797d6826519ed98a13623a92f12269613;p=pandora-kernel.git

powerpc: Remove the unneeded trigger of decrementer interrupt in decrementer_check_overflow

Previously in order to handle the edge sensitive decrementers,
we choose to set the decrementer to 1 to trigger a decrementer
interrupt when re-enabling interrupts. But with the rework of the
lazy EE, we would replay the decrementer interrupt when re-enabling
interrupts if a decrementer interrupt occurs with irq soft-disabled.
So there is no need to trigger a decrementer interrupt in this case
any more.

Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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