From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Wed, 30 Jan 2008 12:32:19 +0000 (+0100)
Subject: x86: kprobes change kprobe_handler flow
X-Git-Tag: v2.6.25-rc1~1143^2~454
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b97601563704751162b122c652d7f390b8f480d2;p=pandora-kernel.git

x86: kprobes change kprobe_handler flow

Make the control flow of kprobe_handler more obvious.

Collapse the separate if blocks/gotos with if/else blocks
this unifies the duplication of the check for a breakpoint
instruction race with another cpu.

Create two jump targets:
	preempt_out: re-enables preemption before returning ret
	out: only returns ret

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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