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Date:   Mon, 6 May 2019 11:22:17 +0200 (CEST)
From:   Thomas Gleixner <tglx@linutronix.de>
To:     Marcelo Tosatti <mtosatti@redhat.com>
cc:     linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org,
        Anna-Maria Gleixner <anna-maria@linutronix.de>,
        Daniel Bristot de Oliveira <bristot@redhat.com>,
        Luiz Capitulino <lcapitulino@redhat.com>,
        Haris Okanovic <haris.okanovic@ni.com>
Subject: Re: [patch 0/3] do not raise timer softirq unconditionally (spinlockless
 version)
In-Reply-To: <20190506032234.GA31395@amt.cnet>
Message-ID: <alpine.DEB.2.21.1905061121580.1637@nanos.tec.linutronix.de>
References: <20190415201213.600254019@amt.cnet> <20190506032234.GA31395@amt.cnet>
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On Mon, 6 May 2019, Marcelo Tosatti wrote:
> On Mon, Apr 15, 2019 at 05:12:13PM -0300, Marcelo Tosatti wrote:
> > It handles the the race between timer addition and timer interrupt
> > execution by unconditionally (in case of isolated CPUs) raising the
> > timer softirq after making sure the updated bitmap is visible
> > on remote CPUs.
> > 
> > This patchset reduces cyclictest latency from 25us to 14us
> > on my testbox.
>
> Ping?

On my list ....