From ac60aae561fff99d38beba82d84277b12437c05e Mon Sep 17 00:00:00 2001
From: Glauber de Oliveira Costa <gcosta@redhat.com>
Date: Wed, 19 Mar 2008 14:25:49 -0300
Subject: [PATCH] x86: provide an end_local_APIC_setup function
It splits setup_local_APIC in two, providing a function corresponding
to the ending part of it. As a side effect, smp_callin looks the same
between i386 and x86_64.
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/kernel/apic_32.c | 7 ++++++-
arch/x86/kernel/smpboot_32.c | 3 +++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 80c81c76625a..6f506020bd7d 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1064,9 +1064,13 @@ void __cpuinit setup_local_APIC(void)
if (!integrated) /* 82489DX */
value |= APIC_LVT_LEVEL_TRIGGER;
apic_write_around(APIC_LVT1, value);
+}
- lapic_setup_esr();
+void __cpuinit end_local_APIC_setup(void)
+{
+ unsigned long value;
+ lapic_setup_esr();
/* Disable the local apic timer */
value = apic_read(APIC_LVTT);
value |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR);
@@ -1256,6 +1260,7 @@ int __init APIC_init_uniprocessor(void)
setup_local_APIC();
+ end_local_APIC_setup();
#ifdef CONFIG_X86_IO_APIC
if (smp_found_config)
if (!skip_ioapic_setup && nr_ioapics)
diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
index c03596e11db8..dbfaeb30a69a 100644
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -161,6 +161,7 @@ static void __cpuinit smp_callin(void)
Dprintk("CALLIN, before setup_local_APIC().\n");
smp_callin_clear_local_apic();
setup_local_APIC();
+ end_local_APIC_setup();
map_cpu_to_logical_apicid();
/*
@@ -780,6 +781,7 @@ static int __init smp_sanity_check(unsigned max_cpus)
printk(KERN_INFO "activating minimal APIC for NMI watchdog use.\n");
connect_bsp_APIC();
setup_local_APIC();
+ end_local_APIC_setup();
}
return -1;
}
@@ -813,6 +815,7 @@ static void __init smp_boot_cpus(unsigned int max_cpus)
connect_bsp_APIC();
setup_local_APIC();
+ end_local_APIC_setup();
map_cpu_to_logical_apicid();
--
2.20.1