linux-kernel - Re: [RFC PATCH 1/5] irq_work: Move irq_work_raise() declaration/default definition to arch headers

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Message-ID: <1350331329.19292.4.camel@pippen.local.home>
Date:	Mon, 15 Oct 2012 16:02:09 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Catalin Marinas <catalin.marinas@....com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [RFC PATCH 1/5] irq_work: Move irq_work_raise()
 declaration/default definition to arch headers

On Mon, 2012-10-15 at 17:11 +0100, Catalin Marinas wrote:
> On 12 October 2012 19:09, Frederic Weisbecker <fweisbec@...il.com> wrote:
> > diff --git a/arch/arm/include/asm/irq_work.h b/arch/arm/include/asm/irq_work.h
> > new file mode 100644
> > index 0000000..f1bffa2
> > --- /dev/null
> > +++ b/arch/arm/include/asm/irq_work.h
> > @@ -0,0 +1 @@
> > +#include <asm-generic/irq_work.h>
> > diff --git a/arch/arm64/include/asm/irq_work.h b/arch/arm64/include/asm/irq_work.h
> > new file mode 100644
> > index 0000000..f1bffa2
> > --- /dev/null
> > +++ b/arch/arm64/include/asm/irq_work.h
> > @@ -0,0 +1 @@
> > +#include <asm-generic/irq_work.h>
> 
> Just add generic-y += irq_work.h to arch/*/include/asm/Kbuild to avoid
> creating new files.
> 

BTW, is there any rational reason that the include path lookup doesn't
just check for the files in include/asm-generic after looking in
arch/*/include/asm? 

Really, the best way would be just to add the default asm files into
include/asm-generic and be done with it. I hate the fact that we need to
touch every arch for every generic default file.

I'd be willing to take a look at fixing this too, when I get a chance.

-- Steve


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