linux-kernel - Re: [PATCH 9/10] parisc: convert to generic helpers for IPI function calls

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Date:	Mon, 9 Jun 2008 10:47:03 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Kyle McMartin <kyle@...artin.ca>
Cc:	linux-kernel@...r.kernel.org, peterz@...radead.org,
	npiggin@...e.de, linux-arch@...r.kernel.org, jeremy@...p.org,
	mingo@...e.hu, paulmck@...ux.vnet.ibm.com,
	Kyle McMartin <kyle@...isc-linux.org>,
	Matthew Wilcox <matthew@....cx>,
	Grant Grundler <grundler@...isc-linux.org>
Subject: Re: [PATCH 9/10] parisc: convert to generic helpers for IPI  function calls

On Fri, Jun 06 2008, Kyle McMartin wrote:
> On Fri, Jun 06, 2008 at 10:47:43AM +0200, Jens Axboe wrote:
> > > Thanks, I'll try it out this evening.
> > 
> > How did that go?
> > 
> 
> Ah, sorry, I forgot to mention that. Seems to be working fine, at
> least, I'm getting jobs scheduled on each cpu, afaict.
> 
> Needed this patch though, and from the looks of things, a bunch of
> other architectures will need it as well.
> 
> Signed-off-by: Kyle McMartin <kyle@...artin.ca>

> 
> diff --git a/include/asm-parisc/smp.h b/include/asm-parisc/smp.h
> index 306f495..ad24e7f 100644
> --- a/include/asm-parisc/smp.h
> +++ b/include/asm-parisc/smp.h
> @@ -62,4 +62,7 @@ static inline void __cpu_die (unsigned int cpu) {
>  }
>  extern int __cpu_up (unsigned int cpu);
>  
> +void arch_send_call_function_ipi(cpumask_t mask);
> +void arch_send_call_function_single_ipi(int cpu);
> +
>  #endif /*  __ASM_SMP_H */

Yeah, the very latest (not posted) needs this, as archs can now put
inline versions in asm/smp.h if they wish. I'll update parisc and
the others, thanks!

-- 
Jens Axboe

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