1 files changed, 3 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/perf_event.h b/arch/powerpc/include/asm/perf_event.h
index 16a49819da9a..35926cd6cd0b 100644
--- a/arch/powerpc/include/asm/perf_event.h
+++ b/arch/powerpc/include/asm/perf_event.h
@@ -39,4 +39,7 @@
                 (regs)->gpr[1] = current_stack_pointer();       \
                 asm volatile("mfmsr %0" : "=r" ((regs)->msr));  \
         } while (0)
+
+/* To support perf_regs sier update */
+extern bool is_sier_available(void);
 #endif