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riscv: ftrace: support PREEMPT

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

Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20250407180838.42877-9-andybnac@gmail.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
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Andy Chiu 2025-04-08 02:08:33 +08:00 committed by Palmer Dabbelt
parent ca358692de
commit d0262e907e
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1 changed files with 1 additions and 1 deletions
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arch/riscv/Kconfig
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@ -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