From 1256e70a082ad855efe351146dfa39207d5e3e70 Mon Sep 17 00:00:00 2001 From: Sven Schnelle Date: Thu, 29 Jun 2023 12:02:19 +0200 Subject: s390/ftrace: enable HAVE_FUNCTION_GRAPH_RETVAL Add support for tracing return values in the function graph tracer. This requires return_to_handler() to record gpr2 and the frame pointer Signed-off-by: Sven Schnelle Reviewed-by: Heiko Carstens Signed-off-by: Heiko Carstens --- arch/s390/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/s390/Kconfig') diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index ea0e8f34eb0d..c5be7199067b 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -174,6 +174,7 @@ config S390 select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_ARG_ACCESS_API select HAVE_FUNCTION_ERROR_INJECTION + select HAVE_FUNCTION_GRAPH_RETVAL select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER select HAVE_GCC_PLUGINS -- cgit