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Wed, 16 Sep 2026 06:32:28 -0700 (PDT) From: Donglin Peng To: rostedt@goodmis.org Cc: mhiramat@kernel.org, dolinux.peng@gmai.com, linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org, pengdonglin , Xiaoqin Zhang Subject: [PATCH v6 2/4] ftrace: Build trace_btf.c when CONFIG_DEBUG_INFO_BTF is enabled Date: Wed, 16 Sep 2026 21:32:16 +0800 Message-Id: <20260916133218.1282590-3-dolinux.peng@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260916133218.1282590-1-dolinux.peng@gmail.com> References: <20260916133218.1282590-1-dolinux.peng@gmail.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: pengdonglin The trace_btf.c file provides BTF helper functions used by the ftrace subsystem. Make the compilation of trace_btf.c solely depend on CONFIG_DEBUG_INFO_BTF, allowing features like funcgraph-retval to also utilize these helpers. Additionally, the redundant dependency on CONFIG_PROBE_EVENTS_BTF_ARGS is removed, as CONFIG_DEBUG_INFO_BTF already depends on CONFIG_BPF_SYSCALL. Cc: Steven Rostedt (Google) Cc: Masami Hiramatsu Cc: Xiaoqin Zhang Acked-by: Masami Hiramatsu (Google) Signed-off-by: pengdonglin --- kernel/trace/Kconfig | 2 +- kernel/trace/Makefile | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 0ab5916575a9..d8faeb659cfc 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -770,7 +770,7 @@ config FPROBE_EVENTS config PROBE_EVENTS_BTF_ARGS depends on HAVE_FUNCTION_ARG_ACCESS_API depends on FPROBE_EVENTS || KPROBE_EVENTS - depends on DEBUG_INFO_BTF && BPF_SYSCALL + depends on DEBUG_INFO_BTF bool "Support BTF function arguments for probe events" default y help diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile index f934ff586bd4..28b08f31e7e5 100644 --- a/kernel/trace/Makefile +++ b/kernel/trace/Makefile @@ -119,7 +119,7 @@ obj-$(CONFIG_KGDB_KDB) += trace_kdb.o endif obj-$(CONFIG_DYNAMIC_EVENTS) += trace_dynevent.o obj-$(CONFIG_PROBE_EVENTS) += trace_probe.o -obj-$(CONFIG_PROBE_EVENTS_BTF_ARGS) += trace_btf.o +obj-$(CONFIG_DEBUG_INFO_BTF) += trace_btf.o obj-$(CONFIG_UPROBE_EVENTS) += trace_uprobe.o obj-$(CONFIG_BOOTTIME_TRACING) += trace_boot.o obj-$(CONFIG_FTRACE_RECORD_RECURSION) += trace_recursion_record.o -- 2.34.1