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Date:   Sat, 13 Feb 2021 13:36:58 +0100
From:   Willy Tarreau <w@....eu>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>, akiyks@...il.com,
        bigeasy@...utronix.de, elver@...gle.com, frederic@...nel.org,
        joel@...lfernandes.org, julia@...com, mchehab+huawei@...nel.org,
        neeraju@...eaurora.org, paul.gortmaker@...driver.com,
        peterz@...radead.org, qiang.zhang@...driver.com, swood@...hat.com,
        urezki@...il.com, wangqing@...o.com, linux-kernel@...r.kernel.org,
        rcu@...r.kernel.org, kernel-team@...com, tglx@...utronix.de
Subject: Re: [GIT PULL tip/core/rcu] RCU, LKMM, and KCSAN commits for v5.12

Hi Paul,

On Fri, Feb 12, 2021 at 07:07:05AM -0800, Paul E. McKenney wrote:
> Thank you, Ingo!  In the future, I will group nolibc with RCU.  But there
> has to be something other than RCU that needs it.  I will take a look. ;-)

All my kernels boot using a "preinit" that is built with nolibc and
integrated into the initramfs. Historically it used to just create /dev
entries and mount the rootfs, nowadays it's used to untar modules and
finish the boot so that I can have a clean separation between a kernel
image and a rootfs. It even allows to perform some minimal debugging as
it includes a minimalistic shell. Do you think something like this could
be of any use in your development sessions ? If so I can discuss this
with you in a separate thread so as not to annoy everyone. Just let me
know :-)

Cheers,
Willy

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