Re: [PATCH] kernel/time/tick-sched.c: fix warning of printk'sargument format

From: Wu Zhangjin
Date: Thu Oct 08 2009 - 11:32:59 EST


On Thu, 2009-10-08 at 08:03 -0700, Linus Torvalds wrote:
>
> On Thu, 8 Oct 2009, Wu Zhangjin wrote:
> >
> > This patch will fix the following warning:
>
> No it won't. It will add a lot of new warnings.
>
> The thing is, almost all architectures (including x86) have
>
> unsigned int __softirq_pending;
>
> but then in <asm-generic/hardirq.h> we have
>
> unsigned long __softirq_pending;
>
> for some unfathomable reason. Quite frankly, I think Arnd just screwed up
> the "generic" version, and the fix is almost certainly to just make the
> generic version match all the main architectures.
>
> I don't have any architectures using the generic header file, though, so
> I'm not going to do that change blindly. People who do should look at it
> (alpha, powerpc and mips look like the only ones that might be 64-bit, but
> I didn't check very carefully - just grepped for it)
>
> Added Cc's for some people that have worked on, or used, that generic
> header file. Is there any possible reason why it is "unsigned long" in
> that one?
>

I'm really using a MIPS machine! there is only a "unsigned long"
definition in include/asm-generic/hardirq.h.

Regards,
Wu Zhangjin

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