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Diffstat (limited to 'include/asm-i386/mach-default/mach_ipi.h')
-rw-r--r--include/asm-i386/mach-default/mach_ipi.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-i386/mach-default/mach_ipi.h b/include/asm-i386/mach-default/mach_ipi.h
new file mode 100644
index 000000000000..6f2b17a20089
--- /dev/null
+++ b/include/asm-i386/mach-default/mach_ipi.h
@@ -0,0 +1,30 @@
+#ifndef __ASM_MACH_IPI_H
+#define __ASM_MACH_IPI_H
+
+void send_IPI_mask_bitmask(cpumask_t mask, int vector);
+void __send_IPI_shortcut(unsigned int shortcut, int vector);
+
+static inline void send_IPI_mask(cpumask_t mask, int vector)
+{
+ send_IPI_mask_bitmask(mask, vector);
+}
+
+static inline void 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;
+
+ __send_IPI_shortcut(APIC_DEST_ALLBUT, vector);
+ return;
+}
+
+static inline void send_IPI_all(int vector)
+{
+ __send_IPI_shortcut(APIC_DEST_ALLINC, vector);
+}
+
+#endif /* __ASM_MACH_IPI_H */