Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes

1 files changed, 50 insertions, 0 deletions

diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h
new file mode 100644
index 000000000000..593343cd26ee
--- /dev/null
+++ b/arch/sh/include/asm/smp.h
@@ -0,0 +1,50 @@
+#ifndef __ASM_SH_SMP_H
+#define __ASM_SH_SMP_H
+
+#include <linux/bitops.h>
+#include <linux/cpumask.h>
+
+#ifdef CONFIG_SMP
+
+#include <linux/spinlock.h>
+#include <asm/atomic.h>
+#include <asm/current.h>
+
+#define raw_smp_processor_id()	(current_thread_info()->cpu)
+#define hard_smp_processor_id()	plat_smp_processor_id()
+
+/* Map from cpu id to sequential logical cpu number. */
+extern int __cpu_number_map[NR_CPUS];
+#define cpu_number_map(cpu)  __cpu_number_map[cpu]
+
+/* The reverse map from sequential logical cpu number to cpu id.  */
+extern int __cpu_logical_map[NR_CPUS];
+#define cpu_logical_map(cpu)  __cpu_logical_map[cpu]
+
+/* I've no idea what the real meaning of this is */
+#define PROC_CHANGE_PENALTY	20
+
+#define NO_PROC_ID	(-1)
+
+#define SMP_MSG_FUNCTION	0
+#define SMP_MSG_RESCHEDULE	1
+#define SMP_MSG_FUNCTION_SINGLE	2
+#define SMP_MSG_NR		3
+
+void plat_smp_setup(void);
+void plat_prepare_cpus(unsigned int max_cpus);
+int plat_smp_processor_id(void);
+void plat_start_cpu(unsigned int cpu, unsigned long entry_point);
+void plat_send_ipi(unsigned int cpu, unsigned int message);
+int plat_register_ipi_handler(unsigned int message,
+			      void (*handler)(void *), void *arg);
+extern void arch_send_call_function_single_ipi(int cpu);
+extern void arch_send_call_function_ipi(cpumask_t mask);
+
+#else
+
+#define hard_smp_processor_id()	(0)
+
+#endif /* CONFIG_SMP */
+
+#endif /* __ASM_SH_SMP_H */