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Date:   Wed, 30 Mar 2022 16:17:55 -0400
From:   Mathieu Desnoyers <>
To:     Steven Rostedt <>
        Beau Belgrave <>,
        Masami Hiramatsu <>,
        linux-trace-devel <>,
        bpf <>,
        Network Development <>,
        Alexei Starovoitov <>,
        Linus Torvalds <>,
        Mathieu Desnoyers <>
Subject: [PATCH] tracing: do not export user_events uapi

In addition to mark the USER_EVENTS feature BROKEN until all interested
parties figure out the user-space API, do not install the uapi header.

This prevents situations where a non-final uapi header would end up
being installed into a distribution image and used to build user-space
programs that would then run against newer kernels that will implement
user events with a different ABI.


Signed-off-by: Mathieu Desnoyers <>
 include/uapi/Kbuild | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/uapi/Kbuild b/include/uapi/Kbuild
index 61ee6e59c930..425ea8769ddc 100644
--- a/include/uapi/Kbuild
+++ b/include/uapi/Kbuild
@@ -12,3 +12,6 @@ ifeq ($(wildcard $(objtree)/arch/$(SRCARCH)/include/generated/uapi/asm/kvm_para.
 no-export-headers += linux/kvm_para.h
+# API is not finalized
+no-export-headers += linux/user_events.h

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