On Wed, Feb 07, 2018 at 04:37:10PM -0800, Palmer Dabbelt wrote: > On Thu, 18 Jan 2018 07:45:39 PST (-0800), noner...@gmail.com wrote: > > This patch set includes the building blocks of dynamic ftrace features > > for RISC-V machines. > > > > Changes in v3: > > - Replace the nops at the tracer call sites into a "call ftrace_stub" > > instruction for better understanding (1/6 and 2/6) > > > > Changes in v2: > > - Fix the return value as writing to kernel text goes wrong (2/6) > > - Replace manual comparisons by calling memcmp (2/6) > > - Simplify the conditional assignment in the Makefile (1/6) > > > > Alan Kao (6): > > riscv/ftrace: Add RECORD_MCOUNT support > > riscv/ftrace: Add dynamic function tracer support > > riscv/ftrace: Add dynamic function graph tracer support > > riscv/ftrace: Add ARCH_SUPPORTS_FTRACE_OPS support > > riscv/ftrace: Add DYNAMIC_FTRACE_WITH_REGS support > > riscv/ftrace: Add HAVE_FUNCTION_GRAPH_RET_ADDR_PTR support > > > > arch/riscv/Kconfig | 3 + > > arch/riscv/Makefile | 3 + > > arch/riscv/include/asm/ftrace.h | 47 ++++++++ > > arch/riscv/kernel/Makefile | 5 +- > > arch/riscv/kernel/ftrace.c | 142 ++++++++++++++++++++++- > > arch/riscv/kernel/mcount-dyn.S | 241 > > ++++++++++++++++++++++++++++++++++++++++ > > arch/riscv/kernel/mcount.S | 22 ++-- > > arch/riscv/kernel/stacktrace.c | 6 + > > scripts/recordmcount.pl | 5 + > > 9 files changed, 461 insertions(+), 13 deletions(-) > > create mode 100644 arch/riscv/kernel/mcount-dyn.S > > Sorry it took me a while to get around to these. Do you mind submitting a > v4 that's based on linux-4.15? I'm getting all sorts of merge errors trying > to "git am" these.
Sorry for the misunderstanding in the previous email. I will rebase the set on linux-4.15. Thanks.