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authorMasami Hiramatsu <mhiramat@kernel.org>2022-03-26 05:27:05 +0300
committerAlexei Starovoitov <ast@kernel.org>2022-03-29 05:38:09 +0300
commit73f9b911faa74ac5107879de05c9489c419f41bb (patch)
treedb31d9a59c0ac9b21a7aa243bb8a2d02f0525c4f /kernel/Makefile
parentef8a257b4e499a979364b1f9caf25a325f6ee8b8 (diff)
downloadlinux-73f9b911faa74ac5107879de05c9489c419f41bb.tar.xz
kprobes: Use rethook for kretprobe if possible
Use rethook for kretprobe function return hooking if the arch sets CONFIG_HAVE_RETHOOK=y. In this case, CONFIG_KRETPROBE_ON_RETHOOK is set to 'y' automatically, and the kretprobe internal data fields switches to use rethook. If not, it continues to use kretprobe specific function return hooks. Suggested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/164826162556.2455864.12255833167233452047.stgit@devnote2
Diffstat (limited to 'kernel/Makefile')
-rw-r--r--kernel/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/Makefile b/kernel/Makefile
index 56f4ee97f328..471d71935e90 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -108,6 +108,7 @@ obj-$(CONFIG_TRACING) += trace/
obj-$(CONFIG_TRACE_CLOCK) += trace/
obj-$(CONFIG_RING_BUFFER) += trace/
obj-$(CONFIG_TRACEPOINTS) += trace/
+obj-$(CONFIG_RETHOOK) += trace/
obj-$(CONFIG_IRQ_WORK) += irq_work.o
obj-$(CONFIG_CPU_PM) += cpu_pm.o
obj-$(CONFIG_BPF) += bpf/