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Date: Sun, 14 Sep 2008 17:46:59 +0200
From: Ingo Molnar <mingo@elte.hu>
To: Dean Nelson <dcn@sgi.com>, Mike Travis <travis@sgi.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>, Alan Mayer <ajm@sgi.com>,
       jeremy@goop.org, rusty@rustcorp.com.au, suresh.b.siddha@intel.com,
       torvalds@linux-foundation.org, linux-kernel@vger.kernel.org,
       "H. Peter Anvin" <hpa@zytor.com>, Thomas Gleixner <tglx@linutronix.de>,
       Yinghai Lu <Yinghai.lu@amd.com>
Subject: Re: [RFC 2/4] introduce dynamically allocated system vectors
Message-ID: <20080914154659.GN29290@elte.hu>
References: <489C6844.9050902@sgi.com> <20080811165930.GI4524@elte.hu> <48A0737F.9010207@sgi.com> <m1y733mjdh.fsf@frodo.ebiederm.org> <20080911152304.GA13655@sgi.com> <20080911152732.GC13655@sgi.com>
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* Dean Nelson <dcn@sgi.com> wrote:

> @@ -1219,42 +1246,40 @@ static int __assign_irq_vector(int irq, 
>  	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
>  	 */
>  	static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0;
> -	unsigned int old_vector;
> +	cpumask_t target_cpus_mask;

hm. One SGI developer (Mike Travis) is busy removing on-kernel-stack 
cpumask_t variables. Other one (you) is busy reintroducing them:

> +	cpumask_t target_cpus_mask;
> +	cpumask_t domain;
> +	cpumask_t new_domain_mask = CPU_MASK_NONE;

in multiple ...

> +	cpumask_t mask = TARGET_CPUS;

... functions.

	Ingo