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: <1350333581.19292.10.camel@pippen.local.home>
Date:	Mon, 15 Oct 2012 16:39:41 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Catalin Marinas <catalin.marinas@....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>,
	David Howells <dhowells@...hat.com>
Subject: Re: [RFC PATCH 1/5] irq_work: Move irq_work_raise()
 declaration/default definition to arch headers

On Mon, 2012-10-15 at 22:23 +0200, Frederic Weisbecker wrote:
> 2012/10/15 Steven Rostedt <rostedt@...dmis.org>:
> > 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.
> 
> Agreed. I'm including Arnd in the conversation.

As David Howells is doing user space header work, I'll include him too.
Maybe someone can shed some light onto this.

-- Steve

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


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