From: K.Prasad <prasad@linux.vnet.ibm.com>
Date: Mon, 1 Jun 2009 18:14:26 +0000 (+0530)
Subject: hw-breakpoints: use wrapper routines around debug registers in processor related... 
X-Git-Tag: v2.6.33-rc1~399^2~146^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e3500666f7c5daaadadb8431a2927cdbbdb7dd4;p=pandora-kernel.git

hw-breakpoints: use wrapper routines around debug registers in processor related functions

This patch enables the use of wrapper routines to access the debug/breakpoint
registers on cpu management.

The hardcoded debug registers save and restore operations for threads
breakpoints are replaced by wrappers.

And now that we handle the kernel breakpoints too, we also need to handle them
on cpu hotplug operations.

[ Impact: adapt new hardware breakpoint api to cpu hotplug ]

Original-patch-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: K.Prasad <prasad@linux.vnet.ibm.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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