linux-kernel - Re: [PATCH] ftrace: Fix missing synchronize_rcu() removing trampoline from kallsyms

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Date:   Fri, 18 Sep 2020 12:23:16 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     peterz@...radead.org
Cc:     Adrian Hunter <adrian.hunter@...el.com>, mingo@...hat.com,
        mhiramat@...nel.org, mbenes@...e.cz, linux-kernel@...r.kernel.org,
        Paul McKenney <paulmck@...nel.org>
Subject: Re: [PATCH] ftrace: Fix missing synchronize_rcu() removing
 trampoline from kallsyms

On Fri, 11 Sep 2020 15:26:24 +0200
peterz@...radead.org wrote:

>  
> > Doesn't that mean removing the symbol while the trampoline is potentially
> > still in use?  
> 
> Hurm.. potentially yes. OK, lets do this first.

OK, I queued this up to be tested and sent out for urgent.

-- Steve