linux-kernel - Re: [RFC 2/4] introduce dynamically allocated system vectors

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Message-ID: <20080914154659.GN29290@elte.hu>
Date:	Sun, 14 Sep 2008 17:46:59 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Dean Nelson <dcn@....com>, Mike Travis <travis@....com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Alan Mayer <ajm@....com>, jeremy@...p.org,
	rusty@...tcorp.com.au, suresh.b.siddha@...el.com,
	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Yinghai Lu <Yinghai.lu@....com>
Subject: Re: [RFC 2/4] introduce dynamically allocated system vectors


* Dean Nelson <dcn@....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
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