x86, smp: remove mach_ipi.h

Move mach_ipi.h definitions into genapic.h.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 59 insertions, 2 deletions

diff --git a/arch/x86/include/asm/ipi.h b/arch/x86/include/asm/ipi.h
index a8d717f2c7e7..e2e8e4e0a656 100644
--- a/arch/x86/include/asm/ipi.h
+++ b/arch/x86/include/asm/ipi.h
@@ -1,6 +1,8 @@
 #ifndef _ASM_X86_IPI_H
 #define _ASM_X86_IPI_H
 
+#ifdef CONFIG_X86_LOCAL_APIC
+
 /*
  * Copyright 2004 James Cleverdon, IBM.
  * Subject to the GNU Public License, v.2
@@ -56,8 +58,7 @@ static inline void __xapic_wait_icr_idle(void)
 }
 
 static inline void
-__default_send_IPI_shortcut(unsigned int shortcut,
-                            int vector, unsigned int dest)
+__default_send_IPI_shortcut(unsigned int shortcut, int vector, unsigned int dest)
 {
         /*
          * Subtle. In the case of the 'never do double writes' workaround
@@ -156,4 +157,60 @@ default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector)
         local_irq_restore(flags);
 }
 
+
+/* Avoid include hell */
+#define NMI_VECTOR 0x02
+
+void default_send_IPI_mask_bitmask(const struct cpumask *mask, int vector);
+void default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector);
+
+extern int no_broadcast;
+
+#ifdef CONFIG_X86_64
+#include <asm/genapic.h>
+#else
+static inline void default_send_IPI_mask(const struct cpumask *mask, int vector)
+{
+        default_send_IPI_mask_bitmask(mask, vector);
+}
+void default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector);
+#endif
+
+static inline void __default_local_send_IPI_allbutself(int vector)
+{
+        if (no_broadcast || vector == NMI_VECTOR)
+                apic->send_IPI_mask_allbutself(cpu_online_mask, vector);
+        else
+                __default_send_IPI_shortcut(APIC_DEST_ALLBUT, vector, apic->dest_logical);
+}
+
+static inline void __default_local_send_IPI_all(int vector)
+{
+        if (no_broadcast || vector == NMI_VECTOR)
+                apic->send_IPI_mask(cpu_online_mask, vector);
+        else
+                __default_send_IPI_shortcut(APIC_DEST_ALLINC, vector, apic->dest_logical);
+}
+
+#ifdef CONFIG_X86_32
+static inline void default_send_IPI_allbutself(int vector)
+{
+        /*
+         * if there are no other CPUs in the system then we get an APIC send 
+         * error if we try to broadcast, thus avoid sending IPIs in this case.
+         */
+        if (!(num_online_cpus() > 1))
+                return;
+
+        __default_local_send_IPI_allbutself(vector);
+}
+
+static inline void default_send_IPI_all(int vector)
+{
+        __default_local_send_IPI_all(vector);
+}
+#endif
+
+#endif
+
 #endif /* _ASM_X86_IPI_H */