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References: <20201130193842.10569-1-kan.liang@linux.intel.com>
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In-Reply-To: <20201210142515.GR2414@hirez.programming.kicks-ass.net>
From:   Namhyung Kim <namhyung@kernel.org>
Date:   Mon, 18 Jan 2021 16:04:08 +0900
Message-ID: <CAM9d7chme3WFQzsqHeQx+1vaLpCG7qL=D6QO4+_Vnt=byzC5sQ@mail.gmail.com>
Subject: Re: [PATCH V2 3/3] perf: Optimize sched_task() in a context switch
To:     Peter Zijlstra <peterz@infradead.org>,
        "Liang, Kan" <kan.liang@linux.intel.com>
Cc:     Ingo Molnar <mingo@kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Stephane Eranian <eranian@google.com>,
        Ian Rogers <irogers@google.com>,
        Gabriel Marin <gmx@google.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Jiri Olsa <jolsa@redhat.com>, Andi Kleen <ak@linux.intel.com>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Michael Ellerman <mpe@ellerman.id.au>
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Hi Peter and Kan,

On Thu, Dec 10, 2020 at 11:25 PM Peter Zijlstra <peterz@infradead.org> wrote:
>
> On Thu, Dec 10, 2020 at 08:52:55AM -0500, Liang, Kan wrote:
> >
> >
> > On 12/10/2020 2:13 AM, Namhyung Kim wrote:
> > > Hi Peter and Kan,
> > >
> > > How can we move this forward?
> >
> > Hi Namhyung,
> >
> > Thanks for the test. The changes look good to me.
> >
> > Hi Peter,
> >
> > Should we resend the patch set for further review?
>
> I've not yet seen a coherent replacement of #3, what I send was just a
> PoC.

Any updates?

Thanks,
Namhyung