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Diffstat (limited to 'arch/arm64/include/asm/smp.h')
-rw-r--r--arch/arm64/include/asm/smp.h28
1 files changed, 25 insertions, 3 deletions
diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h
index 2510eec026f7..10ea4f543069 100644
--- a/arch/arm64/include/asm/smp.h
+++ b/arch/arm64/include/asm/smp.h
@@ -23,7 +23,7 @@
#define CPU_STUCK_REASON_52_BIT_VA (UL(1) << CPU_STUCK_REASON_SHIFT)
#define CPU_STUCK_REASON_NO_GRAN (UL(2) << CPU_STUCK_REASON_SHIFT)
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
#include <linux/threads.h>
#include <linux/cpumask.h>
@@ -50,10 +50,32 @@ struct seq_file;
*/
extern void smp_init_cpus(void);
+enum ipi_msg_type {
+ IPI_RESCHEDULE,
+ IPI_CALL_FUNC,
+ IPI_CPU_STOP,
+ IPI_CPU_STOP_NMI,
+ IPI_TIMER,
+ IPI_IRQ_WORK,
+ NR_IPI,
+ /*
+ * Any enum >= NR_IPI and < MAX_IPI is special and not tracable
+ * with trace_ipi_*
+ */
+ IPI_CPU_BACKTRACE = NR_IPI,
+ IPI_KGDB_ROUNDUP,
+ MAX_IPI
+};
+
/*
* Register IPI interrupts with the arch SMP code
*/
-extern void set_smp_ipi_range(int ipi_base, int nr_ipi);
+extern void set_smp_ipi_range_percpu(int ipi_base, int nr_ipi, int ncpus);
+
+static inline void set_smp_ipi_range(int ipi_base, int n)
+{
+ set_smp_ipi_range_percpu(ipi_base, n, 0);
+}
/*
* Called from the secondary holding pen, this is the secondary CPU entry point.
@@ -133,6 +155,6 @@ bool cpus_are_stuck_in_kernel(void);
extern void crash_smp_send_stop(void);
extern bool smp_crash_stop_failed(void);
-#endif /* ifndef __ASSEMBLY__ */
+#endif /* ifndef __ASSEMBLER__ */
#endif /* ifndef __ASM_SMP_H */