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Date:	Tue, 30 Dec 2014 20:07:40 +0100
From:	Peter Zijlstra <>
To:	Pranith Kumar <>
Cc:	Benjamin Herrenschmidt <>,
	Paul Mackerras <>,
	Michael Ellerman <>,
	Martin Schwidefsky <>,
	Heiko Carstens <>,
	"supporter:S390" <>,
	Lai Jiangshan <>,
	"Paul E. McKenney" <>,
	Josh Triplett <>,
	Steven Rostedt <>,
	Mathieu Desnoyers <>,
	Scott Wood <>,
	Anton Blanchard <>,
	Daniel Walter <>,
	Tiejun Chen <>,
	Nishanth Aravamudan <>,
	Ingo Molnar <>,
	"Srivatsa S. Bhat" <>,
	Vincent Guittot <>,
	Li Zhong <>,
	Christian Borntraeger <>,
	Jens Freimann <>,
	"open list:LINUX FOR POWERPC..." <>,
	open list <>,
	"open list:S390" <>
Subject: Re: [PATCH v2] srcu: Isolate srcu sections using CONFIG_SRCU

On Tue, Dec 30, 2014 at 01:54:07PM -0500, Pranith Kumar wrote:
> On Tue, Dec 30, 2014 at 1:50 PM, Peter Zijlstra <> wrote:
> > On Tue, Dec 30, 2014 at 12:46:22AM -0500, Pranith Kumar wrote:
> >> Isolate the SRCU functions and data structures within CONFIG_SRCU so that there
> >> is a compile time failure if srcu is used when not enabled. This was decided to
> >> be better than waiting until link time for a failure to occur.
> >
> > Why?
> This is part of the kernel tinification efforts. The first patch was
> posted here: This patch enables a
> compile time failure instead of a link time failure.

can't be arsed to click. again, why does it matter when it fails,
neither stages produces a working kernel so tinification cannot be the
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