On Feb 17, 2009, at 11:47 PM, [off-list ref] <dayu@datangmobile.cn 
 > wrote:

From: Da Yu <redacted>
Date: Wed, 18 Feb 2009 19:58:20 +0800
Subject: [PATCH] fix the interrupt loss problem on powerpc IPIC  
(2.6.25-2.6.28)

Description: The interrupt pending register is write 1 clear.  If  
there are more than one external interrupts pending at the same  
time, acking the first interrupt by reading pending register then OR  
the corresponding bit and write back to pending register will also  
clear other interrupt pending bits.  That will cause loss of  
interrupt.

Signed-off-by: Da Yu <redacted>
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applied to next

- k