linux-kernel - Re: [PATCH -tip v5 1/2] irq: Introduce CONFIG

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Date:   Fri, 28 Jul 2017 18:07:29 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Francis Deslauriers <francis.deslauriers@...icios.com>,
        mathieu.desnoyers@...icios.com, Ingo Molnar <mingo@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Ananth N Mavinakayanahalli <ananth@...ibm.com>,
        Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
        "David S . Miller" <davem@...emloft.net>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH -tip v5 1/2] irq: Introduce CONFIG_IRQENTRY kconfig

On Fri, 28 Jul 2017 08:36:03 +0200
Ingo Molnar <mingo@...nel.org> wrote:

> 
> * Masami Hiramatsu <mhiramat@...nel.org> wrote:
> 
> > Introduce CONFIG_IRQENTRY to simplify generating
> > irqentry and softirqentry text sections.
> > Currently generating those sections depends on
> > CONFIG_FUNCTION_GRAPH_TRACER and/or CONFIG_KASAN, in
> > each source code. This moves those #ifdef dependencies
> > into Kconfig, instead of the actual code. This makes
> > it scalable for other user of irqentry section.
> 
> Please just make it unconditional. That would remove a number of messy #ifdefs, 
> and extra sections/symbols don't have much if any cost.

OK, I'll fix that and resend soon.

Thanks!

> 
> Thanks,
> 
> 	Ingo


-- 
Masami Hiramatsu <mhiramat@...nel.org>