Unverified Commit d0262e90 authored by Andy Chiu's avatar Andy Chiu Committed by Palmer Dabbelt
Browse files

riscv: ftrace: support PREEMPT 



Now, we can safely enable dynamic ftrace with kernel preemption.

Signed-off-by: default avatarAndy Chiu <andy.chiu@sifive.com>
Reviewed-by: default avatarBjörn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20250407180838.42877-9-andybnac@gmail.com


Signed-off-by: default avatarAlexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: default avatarPalmer Dabbelt <palmer@dabbelt.com>
parent ca358692

arch/riscv/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -157,7 +157,7 @@ config RISCV 
	select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL

	select HAVE_FUNCTION_GRAPH_TRACER if HAVE_DYNAMIC_FTRACE_WITH_ARGS

	select HAVE_FUNCTION_GRAPH_FREGS

	select HAVE_FUNCTION_TRACER if !XIP_KERNEL && !PREEMPTION

	select HAVE_FUNCTION_TRACER if !XIP_KERNEL

	select HAVE_EBPF_JIT if MMU

	select HAVE_GUP_FAST if MMU

	select HAVE_FUNCTION_ARG_ACCESS_API