[PATCH 10/15] x86: provide connect_bsp_APIC for x86_64

From: Glauber Costa
Date: Mon Jun 09 2008 - 10:22:04 EST


Although it is not really needed, we provide it to get
closer to i386. ifdefs around it are removed in smpboot.c

Signed-off-by: Glauber Costa <gcosta@xxxxxxxxxx>
---
arch/x86/kernel/apic_64.c | 10 ++++++++++
arch/x86/kernel/smpboot.c | 5 +----
2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 310bec1..8d62387 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -942,6 +942,8 @@ int __init APIC_init_uniprocessor(void)

verify_local_APIC();

+ connect_bsp_APIC();
+
phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid);
apic_write(APIC_ID, SET_APIC_ID(boot_cpu_physical_apicid));

@@ -1023,6 +1025,14 @@ asmlinkage void smp_error_interrupt(void)
irq_exit();
}

+/**
+ * * connect_bsp_APIC - attach the APIC to the interrupt system
+ * */
+void __init connect_bsp_APIC(void)
+{
+ enable_apic_mode();
+}
+
void disconnect_bsp_APIC(int virt_wire_setup)
{
/* Go back to Virtual Wire compatibility mode */
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 9d8dfec..c4bb997 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1117,9 +1117,7 @@ static int __init smp_sanity_check(unsigned max_cpus)

localise_nmi_watchdog();

-#ifdef CONFIG_X86_32
connect_bsp_APIC();
-#endif
setup_local_APIC();
end_local_APIC_setup();
return -1;
@@ -1174,9 +1172,8 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
}
preempt_enable();

-#ifdef CONFIG_X86_32
connect_bsp_APIC();
-#endif
+
/*
* Switch from PIC to APIC mode.
*/
--
1.5.4.5

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