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authorThomas Gleixner <tglx@linutronix.de>2011-03-12 13:22:22 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-03-12 13:22:28 +0100
commitcfe08bba1e0017d94a8f738a195d3a2b479327e3 (patch)
tree4546939fd9fbddc978b6eaa0299b03177e9e643b /arch/x86/kernel/smpboot.c
parent58bff947e2d164c7e5cbf7f485e4b3d4884befeb (diff)
parentabb0052289e58140d933b29491f59e4be0a19727 (diff)
Merge branch 'x86/apic' into x86/irq
Reason: Update to latest genirq code conflicts with pending apic changes Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r--arch/x86/kernel/smpboot.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 08776a95348..09d0172a005 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -64,6 +64,7 @@
#include <asm/mtrr.h>
#include <asm/mwait.h>
#include <asm/apic.h>
+#include <asm/io_apic.h>
#include <asm/setup.h>
#include <asm/uv/uv.h>
#include <linux/mc146818rtc.h>
@@ -945,6 +946,14 @@ int __cpuinit native_cpu_up(unsigned int cpu)
return 0;
}
+/**
+ * arch_disable_smp_support() - disables SMP support for x86 at runtime
+ */
+void arch_disable_smp_support(void)
+{
+ disable_ioapic_support();
+}
+
/*
* Fall back to non SMP mode after errors.
*
@@ -1045,7 +1054,7 @@ static int __init smp_sanity_check(unsigned max_cpus)
"(tell your hw vendor)\n");
}
smpboot_clear_io_apic();
- arch_disable_smp_support();
+ disable_ioapic_support();
return -1;
}