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Message-Id: <20240628-dev-andyc-dyn-ftrace-v4-v2-6-1e5f4cb1f049@sifive.com> Date: Fri, 28 Jun 2024 19:47:49 +0800 From: Andy Chiu <andy.chiu@...ive.com> To: Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alexghiti@...osinc.com>, Zong Li <zong.li@...ive.com>, Steven Rostedt <rostedt@...dmis.org>, Masami Hiramatsu <mhiramat@...nel.org>, Mark Rutland <mark.rutland@....com>, Nathan Chancellor <nathan@...nel.org>, Nick Desaulniers <ndesaulniers@...gle.com>, Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>, Puranjay Mohan <puranjay@...nel.org> Cc: Palmer Dabbelt <palmer@...osinc.com>, linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org, llvm@...ts.linux.dev, Andy Chiu <andy.chiu@...ive.com> Subject: [PATCH v2 6/6] riscv: ftrace: support PREEMPT Now, we can safely enable dynamic ftrace with kernel preemption. Signed-off-by: Andy Chiu <andy.chiu@...ive.com> --- arch/riscv/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 55c70efbad0a..881ea466ff52 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -139,7 +139,7 @@ config RISCV select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_GRAPH_RETVAL if HAVE_FUNCTION_GRAPH_TRACER - 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 -- 2.43.0
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