From: Steven Rostedt This patch gets function graph tracing working with dynamic function tracer on PowerPC32. Acked-by: Benjamin Herrenschmidt Signed-off-by: Steven Rostedt --- arch/powerpc/Kconfig | 2 +- arch/powerpc/kernel/entry_32.S | 8 ++++++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 9e4bd20..40b7981 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -111,7 +111,7 @@ config PPC select HAVE_FTRACE_MCOUNT_RECORD select HAVE_DYNAMIC_FTRACE select HAVE_FUNCTION_TRACER - select HAVE_FUNCTION_GRAPH_TRACER if PPC64 || !DYNAMIC_FTRACE + select HAVE_FUNCTION_GRAPH_TRACER select ARCH_WANT_OPTIONAL_GPIOLIB select HAVE_IDE select HAVE_IOREMAP_PROT diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 9cf7083..529bfbb 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -1183,7 +1183,12 @@ _GLOBAL(ftrace_caller) ftrace_call: bl ftrace_stub nop - +#ifdef CONFIG_FUNCTION_GRAPH_TRACER +.globl ftrace_graph_call +ftrace_graph_call: + b ftrace_graph_stub +_GLOBAL(ftrace_graph_stub) +#endif MCOUNT_RESTORE_FRAME /* old link register ends up in ctr reg */ bctr @@ -1205,7 +1210,6 @@ _GLOBAL(_mcount) b ftrace_graph_caller #endif MCOUNT_RESTORE_FRAME - bctr #endif -- 1.5.6.5 -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/