linux-kernel - Re: [RFC 1/5] Make soft

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Message-ID: <1277359779.1875.833.camel@laptop>
Date:	Thu, 24 Jun 2010 08:09:39 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Huang Ying <ying.huang@...el.com>
Cc:	Ingo Molnar <mingo@...e.hu>, "H.PeterA" <"nvin hpa"@zytor.com>,
	linux-kernel@...r.kernel.org, Andi Kleen <andi@...stfloor.org>
Subject: Re: [RFC 1/5] Make soft_irq NMI safe

On Thu, 2010-06-24 at 11:04 +0800, Huang Ying wrote:
> +#define __raise_softirq_preempt_off(nr)                                        \
> +       do { set_bit(nr, (unsigned long *)local_softirq_pending()); } while (0) 

So that is the reason for that insane local_softirq_pending()
definition?

Quite revolting.
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