Messages in this thread | | | Date | Wed, 2 Mar 2022 11:01:38 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH v2 12/39] x86/ibt,ftrace: Search for __fentry__ location |
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On Wed, 2 Mar 2022 14:20:23 +0100 Peter Zijlstra <peterz@infradead.org> wrote:
> Like so, or is something else needed? > > diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c > index 68ecd3e35342..d1b30b5c5c23 100644 > --- a/kernel/trace/ftrace.c > +++ b/kernel/trace/ftrace.c > @@ -4980,7 +4980,8 @@ ftrace_match_addr(struct ftrace_hash *hash, unsigned long ip, int remove) > { > struct ftrace_func_entry *entry; > > - if (!ftrace_location(ip)) > + ip = ftrace_location(ip); > + if (!ip) > return -EINVAL;
This could possibly work. I'd have to test all this though.
I probably could just take this patch and try it out. You can remove the "x86/ibt" from the subject, as this patch may be a requirement for that (include that in the commit log), but it is has no changes to x86/ibt specifically.
-- Steve
> > if (remove) {
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