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authorIngo Molnar <mingo@elte.hu>2008-10-28 16:26:12 +0100
committerIngo Molnar <mingo@elte.hu>2008-10-28 16:26:12 +0100
commit7a9787e1eba95a166265e6a260cf30af04ef0a99 (patch)
treee730a4565e0318140d2fbd2f0415d18a339d7336 /arch/x86/include/asm/mach-default/mach_wakecpu.h
parent41b9eb264c8407655db57b60b4457fe1b2ec9977 (diff)
parent0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff)
Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks
Diffstat (limited to 'arch/x86/include/asm/mach-default/mach_wakecpu.h')
-rw-r--r--arch/x86/include/asm/mach-default/mach_wakecpu.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mach-default/mach_wakecpu.h b/arch/x86/include/asm/mach-default/mach_wakecpu.h
new file mode 100644
index 00000000000..d5c0b826a4f
--- /dev/null
+++ b/arch/x86/include/asm/mach-default/mach_wakecpu.h
@@ -0,0 +1,42 @@
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H
+#define _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H
+
+/*
+ * This file copes with machines that wakeup secondary CPUs by the
+ * INIT, INIT, STARTUP sequence.
+ */
+
+#define WAKE_SECONDARY_VIA_INIT
+
+#define TRAMPOLINE_LOW phys_to_virt(0x467)
+#define TRAMPOLINE_HIGH phys_to_virt(0x469)
+
+#define boot_cpu_apicid boot_cpu_physical_apicid
+
+static inline void wait_for_init_deassert(atomic_t *deassert)
+{
+ while (!atomic_read(deassert))
+ cpu_relax();
+ return;
+}
+
+/* Nothing to do for most platforms, since cleared by the INIT cycle */
+static inline void smp_callin_clear_local_apic(void)
+{
+}
+
+static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
+{
+}
+
+static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
+{
+}
+
+#if APIC_DEBUG
+ #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid)
+#else
+ #define inquire_remote_apic(apicid) {}
+#endif
+
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H */