linux-kernel - Re: [PATCH 2/2] locking: Apply contention tracepoints in the slow path

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Message-ID: <20220330110853.GK8939@worktop.programming.kicks-ass.net>
Date:   Wed, 30 Mar 2022 13:08:53 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>, Will Deacon <will@...nel.org>,
        Waiman Long <longman@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Byungchul Park <byungchul.park@....com>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Arnd Bergmann <arnd@...db.de>,
        Radoslaw Burny <rburny@...gle.com>,
        linux-arch <linux-arch@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>, Hyeonggon Yoo <42.hyeyoo@...il.com>
Subject: Re: [PATCH 2/2] locking: Apply contention tracepoints in the slow
 path

On Mon, Mar 28, 2022 at 10:48:59AM -0700, Namhyung Kim wrote:
> > Also, if you were to add LCB_F_MUTEX then you could have something like:
> 
> Yep, I'm ok with having the mutex flag.  Do you want me to send
> v5 with this change or would you like to do it by yourself?

I'll frob my thing on top. No need to repost.