riscv: ftrace: support direct call using call_ops
authorAndy Chiu <andybnac@gmail.com>
Mon, 7 Apr 2025 18:08:35 +0000 (02:08 +0800)
committerPalmer Dabbelt <palmer@dabbelt.com>
Thu, 5 Jun 2025 18:09:31 +0000 (11:09 -0700)
commitb21cdb9523e5561b97fd534dbb75d132c5c938ff
tree5d1e4f209b6f9049a97309a03fec14c7ee1f0575
parentc217157bcd1df434fdeaeb24b7c25ec31e15cf4a
riscv: ftrace: support direct call using call_ops

jump to FTRACE_ADDR if distance is out of reach

Co-developed-by: Björn Töpel <bjorn@rivosinc.com>
Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Signed-off-by: Andy Chiu <andybnac@gmail.com>
Link: https://lore.kernel.org/r/20250407180838.42877-11-andybnac@gmail.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
arch/riscv/Kconfig
arch/riscv/include/asm/ftrace.h
arch/riscv/kernel/asm-offsets.c
arch/riscv/kernel/ftrace.c
arch/riscv/kernel/mcount-dyn.S