Enable HAVE_FUNCTION_GRAPH_RET_ADDR_PTR for more robust stack unwinding when function graph tracer is in use. Convert powerpc show_stack() to use ftrace_graph_ret_addr() for better stack unwinding.
- Naveen Naveen N. Rao (3): ftrace: Look up the address of return_to_handler() using helpers powerpc/ftrace: Enable HAVE_FUNCTION_GRAPH_RET_ADDR_PTR powerpc: Use ftrace_graph_ret_addr() when unwinding arch/powerpc/include/asm/asm-prototypes.h | 3 ++- arch/powerpc/include/asm/ftrace.h | 2 ++ arch/powerpc/kernel/process.c | 19 ++++++------------- arch/powerpc/kernel/stacktrace.c | 2 +- arch/powerpc/kernel/trace/ftrace.c | 5 +++-- arch/powerpc/kernel/trace/ftrace_32.S | 1 + .../powerpc/kernel/trace/ftrace_64_mprofile.S | 1 + arch/powerpc/kernel/trace/ftrace_64_pg.S | 1 + kernel/trace/fgraph.c | 4 ++-- 9 files changed, 19 insertions(+), 19 deletions(-) -- 2.23.0
