linux-kernel - RE: Reduce Linux boot time on Large scale system

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Message-ID: <alpine.DEB.2.20.1704191229270.1829@nanos>
Date:   Wed, 19 Apr 2017 12:35:09 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Noam Camus <noamca@...lanox.com>
cc:     Peter Zijlstra <peterz@...radead.org>,
        Vineet Gupta <Vineet.Gupta1@...opsys.com>,
        Chris Metcalf <cmetcalf@...lanox.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "anna-maria@...utronix.de" <anna-maria@...utronix.de>,
        Eitan Rabin <rabin@...lanox.com>,
        "Fu, Zhonghui" <zhonghui.fu@...el.com>
Subject: RE: Reduce Linux boot time on Large scale system

On Wed, 19 Apr 2017, Noam Camus wrote:

Please fix your mail client to do proper line wraps around 78 chars and
proper citation. Also please trim your replies. There is no point in
scrolling through 2 pages of cited mail just to get to your question.

> > From: Thomas Gleixner [mailto:tglx@...utronix.de]
> > There might also be interaction required with the state machine,
> > i.e. stop the state progress on a self plugging CPU between two steps to
> > make serialization work.
>
> What would be a good base to start on all above?  Would some formal
> release like v4.8 TAG good enough , or do I need to base on some other
> specific HEAD (or TAG)?

Errm, no. Development happens on Linus current tree or the particular
development tree/branch of a particular subsystem. In this case

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git smp/hotplug

which is empty right now, but about to be filled up again. Start against
Linus HEAD for now.

Thanks,

	tglx