linux-kernel - [tip:perf/core] kconfig/x86: Add HAVE_TEXT_POKE_SMP config for stop

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Date:	Thu, 14 Oct 2010 07:41:28 GMT
From:	tip-bot for Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	mathieu.desnoyers@...icios.com, rusty@...tcorp.com.au,
	ananth@...ibm.com, masami.hiramatsu.pt@...achi.com,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perf/core] kconfig/x86: Add HAVE_TEXT_POKE_SMP config for stop_machine dependency

Commit-ID:  3cba11d32bb4b24c3ba257043595772df4b9c7b5
Gitweb:     http://git.kernel.org/tip/3cba11d32bb4b24c3ba257043595772df4b9c7b5
Author:     Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
AuthorDate: Thu, 14 Oct 2010 12:10:42 +0900
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 14 Oct 2010 08:55:29 +0200

kconfig/x86: Add HAVE_TEXT_POKE_SMP config for stop_machine dependency

Since the text_poke_smp() definately depends on actual
stop_machine() on smp, add that dependency to Kconfig.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc: Rusty Russell <rusty@...tcorp.com.au>
Cc: Ananth N Mavinakayanahalli <ananth@...ibm.com>
Cc: 2nddept-manager@....hitachi.co.jp
Cc: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
LKML-Reference: <20101014031042.4100.90877.stgit@...236.sdl.hitachi.co.jp>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/Kconfig |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index b431a08..c14d8b4 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -60,6 +60,7 @@ config X86
 	select HAVE_ARCH_KMEMCHECK
 	select HAVE_USER_RETURN_NOTIFIER
 	select HAVE_ARCH_JUMP_LABEL
+	select HAVE_TEXT_POKE_SMP
 
 config INSTRUCTION_DECODER
 	def_bool (KPROBES || PERF_EVENTS)
@@ -2126,6 +2127,10 @@ config HAVE_ATOMIC_IOMAP
 	def_bool y
 	depends on X86_32
 
+config HAVE_TEXT_POKE_SMP
+	bool
+	select STOP_MACHINE if SMP
+
 source "net/Kconfig"
 
 source "drivers/Kconfig"
--
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