linux-kernel - Re: [PATCH 0/3] rcu,sched: noinstr fixes

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Message-ID: <20210929152915.GU880162@paulmck-ThinkPad-P17-Gen-1>
Date:   Wed, 29 Sep 2021 08:29:15 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     tglx@...utronix.de, sfr@...b.auug.org.au,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] rcu,sched: noinstr fixes

On Wed, Sep 29, 2021 at 10:39:02AM +0200, Peter Zijlstra wrote:
> On Tue, Sep 28, 2021 at 11:15:59AM -0700, Paul E. McKenney wrote:
> > On Tue, Sep 28, 2021 at 10:40:20AM +0200, Peter Zijlstra wrote:
> > > A few noinstr fixes.. I'll stick the sched one in sched/urgent, Paul could you pick up the other two?
> > 
> > I queued those two, thank you!  I am guessing that you are looking for
> > me to send them ASAP.  If so, not a problem, but please confirm.
> 
> Either way works, but given syzcaller could potentially trigger these
> holes (it did find a whole bunch of 'interesting' problems in the early
> noinstr days) I'd prefer them earlier rather than later.
> 
> OTOH, the objtool patches that keep triggering them all over the place
> are still in objtool/core for the next cycle.

OK, let's split the difference, then.  Instead of the default v5.17
merge window, I will submit them to the upcoming v5.16 merge window.

							Thanx, Paul