Re: [PATCH 0/8] ftrace/x86: function_graph stack dump fixes

[Steven Rostedt]

On Fri, 19 Aug 2016 06:52:54 -0500
Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:

> Some stack dump fixes related to function_graph tracing.
> 
> Josh Poimboeuf (8):
>   ftrace: remove CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST from config
>   ftrace: only allocate the ret_stack 'fp' field when needed
>   ftrace: add return address pointer to ftrace_ret_stack
>   ftrace: add ftrace_graph_ret_addr() stack unwinding helpers
>   x86/dumpstack/ftrace: convert dump_trace() callbacks to use
>     ftrace_graph_ret_addr()
>   ftrace/x86: implement HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
>   x86/dumpstack/ftrace: mark function graph handler function as
>     unreliable
>   x86/dumpstack/ftrace: don't print unreliable addresses in
>     print_context_stack_bp()

For the series..

Acked-by: Steven Rostedt <rostedt@xxxxxxxxxxx>

Ingo,

If you want, please take it through tip.

Thanks!

-- Steve

> 
>  Documentation/trace/ftrace-design.txt | 11 ++++++
>  arch/arm/kernel/ftrace.c              |  2 +-
>  arch/arm64/kernel/entry-ftrace.S      |  2 +-
>  arch/arm64/kernel/ftrace.c            |  2 +-
>  arch/blackfin/kernel/ftrace-entry.S   |  4 +-
>  arch/blackfin/kernel/ftrace.c         |  2 +-
>  arch/microblaze/kernel/ftrace.c       |  2 +-
>  arch/mips/kernel/ftrace.c             |  4 +-
>  arch/parisc/kernel/ftrace.c           |  2 +-
>  arch/powerpc/kernel/ftrace.c          |  3 +-
>  arch/s390/kernel/ftrace.c             |  3 +-
>  arch/sh/kernel/ftrace.c               |  2 +-
>  arch/sparc/Kconfig                    |  1 -
>  arch/sparc/include/asm/ftrace.h       |  4 ++
>  arch/sparc/kernel/ftrace.c            |  2 +-
>  arch/tile/kernel/ftrace.c             |  2 +-
>  arch/x86/Kconfig                      |  1 -
>  arch/x86/include/asm/ftrace.h         |  3 ++
>  arch/x86/kernel/dumpstack.c           | 73 ++++++++++++++---------------------
>  arch/x86/kernel/ftrace.c              |  2 +-
>  include/linux/ftrace.h                | 17 +++++++-
>  kernel/trace/Kconfig                  |  5 ---
>  kernel/trace/trace_functions_graph.c  | 67 +++++++++++++++++++++++++++++++-
>  23 files changed, 146 insertions(+), 70 deletions(-)
>