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-rw-r--r--include/linux/perf_event.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 5e6b346d62a7..346d5aff5804 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1254,6 +1254,30 @@ static inline struct perf_guest_info_callbacks *perf_get_guest_cbs(void)
*/
return rcu_dereference(perf_guest_cbs);
}
+static inline unsigned int perf_guest_state(void)
+{
+ struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs();
+
+ return guest_cbs ? guest_cbs->state() : 0;
+}
+static inline unsigned long perf_guest_get_ip(void)
+{
+ struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs();
+
+ /*
+ * Arbitrarily return '0' in the unlikely scenario that the callbacks
+ * are unregistered between checking guest state and getting the IP.
+ */
+ return guest_cbs ? guest_cbs->get_ip() : 0;
+}
+static inline unsigned int perf_guest_handle_intel_pt_intr(void)
+{
+ struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs();
+
+ if (guest_cbs && guest_cbs->handle_intel_pt_intr)
+ return guest_cbs->handle_intel_pt_intr();
+ return 0;
+}
extern void perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *cbs);
extern void perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks *cbs);