linux-kernel - Re: [GIT PULL] RCU changes for v4.1

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Message-ID: <CA+55aFy4wcCwaL4okTs8wXhGZ5h-ibecy_Meg9C4MNQrUnwMcg@mail.gmail.com>
Date:	Tue, 14 Apr 2015 17:22:54 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Paul E. McKenney" <paulmck@...ibm.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] RCU changes for v4.1

On Mon, Apr 13, 2015 at 5:14 AM, Ingo Molnar <mingo@...nel.org> wrote:
>
> Please pull the latest core-rcu-for-linus git tree from:

This is very annoying:

   ...
   torture tests for RCU (RCU_TORTURE_TEST) [N/m/y/?] n
   How much to slow down RCU grace-period initialization
(RCU_TORTURE_TEST_SLOW_INIT_DELAY) [3] (NEW)
   ...

please make things like this pointless value depend on the option that
makes them relevant! So a simple

       depends on RCU_TORTURE_TEST_SLOW_INIT

would seem to be called for.

It's not like we don't already have annoying and unanswerable
questions for RCU (RCU_KTHREAD_PRIO), let's not add the completely
stupid *pointless* ones too.

                        Linus
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