Messages in this thread Patch in this message | | | Date | Wed, 30 Mar 2022 12:54:13 -0400 (EDT) | From | Mathieu Desnoyers <> | Subject | Re: [PATCH] tracing: Set user_events to BROKEN |
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----- On Mar 29, 2022, at 10:25 PM, rostedt rostedt@goodmis.org wrote:
> From: "Steven Rostedt (Google)" <rostedt@goodmis.org> > > After being merged, user_events become more visible to a wider audience > that have concerns with the current API. It is too late to fix this for > this release, but instead of a full revert, just mark it as BROKEN (which > prevents it from being selected in make config). Then we can work finding > a better API. If that fails, then it will need to be completely reverted.
Hi Steven,
What are the constraints for changing a uapi header after it has been present in a kernel release ?
If we are not ready to commit to an ABI, perhaps it would be safer to ensure that include/uapi/linux/user_events.h is not installed with the uapi headers until it's ready.
Thanks,
Mathieu
> > Link: > https://lore.kernel.org/all/2059213643.196683.1648499088753.JavaMail.zimbra@efficios.com/ > > Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> > --- > kernel/trace/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig > index 16a52a71732d..edc8159f63ef 100644 > --- a/kernel/trace/Kconfig > +++ b/kernel/trace/Kconfig > @@ -741,6 +741,7 @@ config USER_EVENTS > bool "User trace events" > select TRACING > select DYNAMIC_EVENTS > + depends on BROKEN # API needs to be straighten out > help > User trace events are user-defined trace events that > can be used like an existing kernel trace event. User trace > -- > 2.35.1
-- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
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