linux-kernel - [tip:perf/core] x86: Move notify_cpu_starting() callback to a later stage

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Date:	Fri, 2 Apr 2010 19:06:56 GMT
From:	tip-bot for Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	a.p.zijlstra@...llo.nl, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perf/core] x86: Move notify_cpu_starting() callback to a later stage

Commit-ID:  85257024096a96fc5c00ce59d685f62bbed3ad95
Gitweb:     http://git.kernel.org/tip/85257024096a96fc5c00ce59d685f62bbed3ad95
Author:     Peter Zijlstra <a.p.zijlstra@...llo.nl>
AuthorDate: Tue, 23 Mar 2010 19:30:52 +0100
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 2 Apr 2010 19:30:01 +0200

x86: Move notify_cpu_starting() callback to a later stage

Because we need to have cpu identification things done by the time we run
CPU_STARTING notifiers.

( This init ordering will be relied on by the next fix. )

Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
LKML-Reference: <1269353485.5109.48.camel@...ns>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/kernel/smpboot.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 06d98ae..6808b93 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -242,8 +242,6 @@ static void __cpuinit smp_callin(void)
 	end_local_APIC_setup();
 	map_cpu_to_logical_apicid();
 
-	notify_cpu_starting(cpuid);
-
 	/*
 	 * Need to setup vector mappings before we enable interrupts.
 	 */
@@ -264,6 +262,8 @@ static void __cpuinit smp_callin(void)
 	 */
 	smp_store_cpu_info(cpuid);
 
+	notify_cpu_starting(cpuid);
+
 	/*
 	 * Allow the master to continue.
 	 */
--
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