linux-kernel - Re: [PATCH -tip -v4] irq_work: generic hard-irq context callbacks

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Message-ID: <20100913123213.76b1b5fa@mschwide.boeblingen.de.ibm.com>
Date:	Mon, 13 Sep 2010 12:32:13 +0200
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	Huang Ying <ying.huang@...el.com>
Cc:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	paulus <paulus@...ba.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>,
	dhowells <dhowells@...hat.com>,
	Russell King <rmk@....linux.org.uk>,
	Kyle McMartin <kyle@...artin.ca>, davem <davem@...emloft.net>,
	Linux-Arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH -tip -v4] irq_work: generic hard-irq context callbacks

On Mon, 13 Sep 2010 14:50:48 +0800
Huang Ying <ying.huang@...el.com> wrote:

> From:  Peter Zijlstra <a.p.zijlstra@...llo.nl>
> 
> In order for other NMI context users that want to run things from
> hard-IRQ context, extract the perf_event callback mechanism.
> 
> Huang Ying: some fixes
> 
> This patch is only tested on x86 platform.
> 
> 
> v4:
> 
> -rebased on latest -tip tree
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Signed-off-by: Huang Ying <ying.huang@...el.com>

On s390 I get compile errors:

include/linux/perf_event.h:464:29: error: asm/perf_event.h: No such file or directory

Not a good idea to completely remove the perf_event.h from arch/s390/include/asm.
With an empty header file the kernel at least compiles.

-- 
blue skies,
   Martin.

"Reality continues to ruin my life." - Calvin.

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