linux-kernel - [tip:x86/apic] x86: Consolidate boot cpu timer setup

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Date:	Thu, 22 Jan 2015 06:32:09 -0800
From:	tip-bot for Thomas Gleixner <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	tony.luck@...el.com, mingo@...nel.org, bp@...en8.de,
	jiang.liu@...ux.intel.com, hpa@...or.com, tglx@...utronix.de,
	joro@...tes.org, linux-kernel@...r.kernel.org
Subject: [tip:x86/apic] x86: Consolidate boot cpu timer setup

Commit-ID:  9c4d9c73dd380ecfe1893600174f96d0eb068997
Gitweb:     http://git.kernel.org/tip/9c4d9c73dd380ecfe1893600174f96d0eb068997
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Thu, 15 Jan 2015 21:22:45 +0000
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Thu, 22 Jan 2015 15:10:56 +0100

x86: Consolidate boot cpu timer setup

Now that the APIC bringup is consolidated we can move the setup call
for the percpu clock event device to apic_bsp_setup().

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Jiang Liu <jiang.liu@...ux.intel.com>
Cc: Joerg Roedel <joro@...tes.org>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Borislav Petkov <bp@...en8.de>
Link: http://lkml.kernel.org/r/20150115211704.162567839@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/kernel/apic/apic.c | 4 ++--
 arch/x86/kernel/smpboot.c   | 4 ----
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 437c35b..b665d24 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -2244,6 +2244,8 @@ int __init apic_bsp_setup(bool upmode)
 	end_local_APIC_setup();
 	irq_remap_enable_fault_handling();
 	setup_IO_APIC();
+	/* Setup local timer */
+	x86_init.timers.setup_percpu_clockev();
 	return id;
 }
 
@@ -2284,8 +2286,6 @@ int __init APIC_init_uniprocessor(void)
 	default_setup_apic_routing();
 	verify_local_APIC();
 	apic_bsp_setup(true);
-
-	x86_init.timers.setup_percpu_clockev();
 	return 0;
 }
 
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 0a46e5e..febc6aa 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1163,12 +1163,8 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
 
 	cpu0_logical_apicid = apic_bsp_setup(false);
 
-	/*
-	 * Set up local APIC timer on boot CPU.
-	 */
 	pr_info("CPU%d: ", 0);
 	print_cpu_info(&cpu_data(0));
-	x86_init.timers.setup_percpu_clockev();
 
 	if (is_uv_system())
 		uv_system_init();
--
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