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

From: Frederic Weisbecker
Date: Mon Oct 15 2012 - 18:17:57 EST


2012/10/15 Arnd Bergmann <arnd@xxxxxxxx>:
> On Monday 15 October 2012, Steven Rostedt wrote:
>> On Mon, 2012-10-15 at 22:23 +0200, Frederic Weisbecker wrote:
>> > 2012/10/15 Steven Rostedt <rostedt@xxxxxxxxxxx>:
>> > > On Mon, 2012-10-15 at 17:11 +0100, Catalin Marinas wrote:
>> > > 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.
>>
>
> A number of people have expressed the wish to do this through Makefile magic, but
> so far nobody has been able to come up with the right incantation.
>
> I've spent a day trying to figure it out, and I think Mark Brown tried some of
> the same things. It's probably not all that hard for someone who is more familiar
> with the Kbuild internals.

This seems to do the trick:

(It's the diff result of ln -s asm-generic include/asm)

diff --git a/include/asm b/include/asm
new file mode 120000
index 0000000..86e8787
--- /dev/null
+++ b/include/asm
@@ -0,0 +1 @@
+asm-generic/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/