From: Alexander van Heukelum <heukelum@fastmail.fm>
Date: Tue, 30 Sep 2008 16:41:37 +0000 (+0200)
Subject: x86, traps: converge do_debug handlers
X-Git-Tag: v2.6.28-rc1~611^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d2a71a596bd9c761c8487a2178e95f8a61da083;p=pandora-kernel.git

x86, traps: converge do_debug handlers

Make the x86_64-version and the i386-version of do_debug
more similar.

 - introduce preempt_conditional_sti/cli to i386. The preempt-count
	is now elevated during the trap handler, like on x86_64. It
	does not run on a separate stack, however.
 - replace an open-coded "send_sigtrap"
 - copy some comments

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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