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Message-Id: <20250407180838.42877-9-andybnac@gmail.com>
Date: Tue, 8 Apr 2025 02:08:33 +0800
From: Andy Chiu <andybnac@...il.com>
To: linux-riscv@...ts.infradead.org,
alexghiti@...osinc.com,
palmer@...belt.com
Cc: Andy Chiu <andy.chiu@...ive.com>,
Björn Töpel <bjorn@...osinc.com>,
linux-kernel@...r.kernel.org,
Alexandre Ghiti <alex@...ti.fr>,
puranjay12@...il.com,
paul.walmsley@...ive.com,
greentime.hu@...ive.com,
nick.hu@...ive.com,
nylon.chen@...ive.com,
eric.lin@...ive.com,
vicent.chen@...ive.com,
zong.li@...ive.com,
yongxuan.wang@...ive.com,
samuel.holland@...ive.com,
olivia.chu@...ive.com,
c2232430@...il.com
Subject: [PATCH v4 09/12] riscv: ftrace: support PREEMPT
From: Andy Chiu <andy.chiu@...ive.com>
Now, we can safely enable dynamic ftrace with kernel preemption.
Signed-off-by: Andy Chiu <andy.chiu@...ive.com>
Reviewed-by: Björn Töpel <bjorn@...osinc.com>
---
arch/riscv/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 7dbed10843d2..dc0fc11b6e96 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -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
--
2.39.3 (Apple Git-145)
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