diff mbox series

[v2,6/6] riscv: ftrace: support PREEMPT

Message ID 20240628-dev-andyc-dyn-ftrace-v4-v2-6-1e5f4cb1f049@sifive.com (mailing list archive)
State Changes Requested
Headers show
Series riscv: ftrace: atmoic patching and preempt improvements | expand

Checks

Context Check Description
conchuod/vmtest-fixes-PR success PR summary
conchuod/patch-6-test-1 success .github/scripts/patches/tests/build_rv32_defconfig.sh
conchuod/patch-6-test-2 success .github/scripts/patches/tests/build_rv64_clang_allmodconfig.sh
conchuod/patch-6-test-3 success .github/scripts/patches/tests/build_rv64_gcc_allmodconfig.sh
conchuod/patch-6-test-4 success .github/scripts/patches/tests/build_rv64_nommu_k210_defconfig.sh
conchuod/patch-6-test-5 success .github/scripts/patches/tests/build_rv64_nommu_virt_defconfig.sh
conchuod/patch-6-test-6 success .github/scripts/patches/tests/checkpatch.sh
conchuod/patch-6-test-7 success .github/scripts/patches/tests/dtb_warn_rv64.sh
conchuod/patch-6-test-8 success .github/scripts/patches/tests/header_inline.sh
conchuod/patch-6-test-9 success .github/scripts/patches/tests/kdoc.sh
conchuod/patch-6-test-10 success .github/scripts/patches/tests/module_param.sh
conchuod/patch-6-test-11 success .github/scripts/patches/tests/verify_fixes.sh
conchuod/patch-6-test-12 success .github/scripts/patches/tests/verify_signedoff.sh

Commit Message

Andy Chiu June 28, 2024, 11:47 a.m. UTC
Now, we can safely enable dynamic ftrace with kernel preemption.

Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
---
 arch/riscv/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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