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From:   Thomas Gleixner <tglx@linutronix.de>
To:     Borislav Petkov <bp@alien8.de>
Cc:     LKML <linux-kernel@vger.kernel.org>, x86@kernel.org,
        "Paul E. McKenney" <paulmck@kernel.org>,
        Andy Lutomirski <luto@kernel.org>,
        Alexandre Chartre <alexandre.chartre@oracle.com>,
        Frederic Weisbecker <frederic@kernel.org>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Sean Christopherson <sean.j.christopherson@intel.com>,
        Masami Hiramatsu <mhiramat@kernel.org>,
        Petr Mladek <pmladek@suse.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Joel Fernandes <joel@joelfernandes.org>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        Juergen Gross <jgross@suse.com>,
        Brian Gerst <brgerst@gmail.com>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Josh Poimboeuf <jpoimboe@redhat.com>,
        Will Deacon <will@kernel.org>,
        "Peter Zijlstra \(Intel\)" <peterz@infradead.org>
Subject: Re: [patch V4 part 1 03/36] sched: Clean up scheduler_ipi()
In-Reply-To: <20200506084019.GB25532@zn.tnic>
References: <20200505131602.633487962@linutronix.de> <20200505134058.361859938@linutronix.de> <20200506084019.GB25532@zn.tnic>
Date:   Wed, 06 May 2020 11:12:35 +0200
Message-ID: <87ftcdo29o.fsf@nanos.tec.linutronix.de>
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Borislav Petkov <bp@alien8.de> writes:

> On Tue, May 05, 2020 at 03:16:05PM +0200, Thomas Gleixner wrote:
>> The scheduler IPI has grown weird and wonderful over the years, time
>> for spring cleaning.
>> 
>> Move all the non-trivial stuff out of it and into a regular smp function
>> call IPI. This then reduces the schedule_ipi() to most of it's former MOP
>
> s/MOP/NOP/ after clarifying it on IRC. :)

It was NOP long ago. Now it's Minimal OPeration :)