linux-kernel - [patch] x86, bts: reenable ptrace branch trace support

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Message-ID: <20090424094448.A30216@sedona.ch.intel.com>
Date:	Fri, 24 Apr 2009 09:44:48 +0200
From:	Markus Metzger <markus.t.metzger@...el.com>
To:	linux-kernel@...r.kernel.org, mingo@...e.hu, tglx@...utronix.de,
	hpa@...or.com
Cc:	markus.t.metzger@...el.com, markus.t.metzger@...il.com,
	roland@...hat.com, eranian@...glemail.com, oleg@...hat.com,
	juan.villacis@...el.com, ak@...ux.jf.intel.com
Subject: [patch] x86, bts: reenable ptrace branch trace support

The races found by Oleg Nesterov have been fixed.

Reenable branch trace support.


CC: Oleg Nesterov <oleg@...hat.com>
Signed-off-by: Markus Metzger <markus.t.metzger@...el.com>
---
 arch/x86/Kconfig.cpu |    1 	0 +	1 -	0 !
 1 files changed, 1 deletion(-)

Index: b/arch/x86/Kconfig.cpu
===================================================================
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -506,7 +506,6 @@ config X86_PTRACE_BTS
 	bool "Branch Trace Store"
 	default y
 	depends on X86_DEBUGCTLMSR
-	depends on BROKEN
 	---help---
 	  This adds a ptrace interface to the hardware's branch trace store.
 
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