KVM: s390,perf: Detect if perf samples belong to KVM host or guest

[firefly-linux-kernel-4.4.55.git] / arch / s390 / include / asm / perf_event.h

diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
index 5f0173a31693b19700b8afa92b60db199bfcb749..1141fb3e7b21e6ad2e915835eb571301982cf29e 100644 (file)
--- a/arch/s390/include/asm/perf_event.h
+++ b/arch/s390/include/asm/perf_event.h
@@ -14,3 +14,13 @@
 /* Per-CPU flags for PMU states */
 #define PMU_F_RESERVED                 0x1000
 #define PMU_F_ENABLED                  0x2000
+
+#ifdef CONFIG_64BIT
+
+/* Perf callbacks */
+struct pt_regs;
+extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
+extern unsigned long perf_misc_flags(struct pt_regs *regs);
+#define perf_misc_flags(regs) perf_misc_flags(regs)
+
+#endif /* CONFIG_64BIT */