linux-kernel - Re: [PATCH 1/8] cpumask: Replace cpumask_of_cpu with cpumask_of_cpu

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Message-ID: <48873FA0.50504@sgi.com>
Date:	Wed, 23 Jul 2008 07:26:40 -0700
From:	Mike Travis <travis@....com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Rusty Russell <rusty@...tcorp.com.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Jack Steiner <steiner@....com>, linux-kernel@...r.kernel.org,
	Len Brown <len.brown@...el.com>,
	Dave Jones <davej@...emonkey.org.uk>,
	Paul Jackson <pj@....com>,
	Tigran Aivazian <tigran@...azian.fsnet.co.uk>,
	Robert Richter <robert.richter@....com>,
	Greg Banks <gnb@....com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Adrian Bunk <bunk@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andreas Schwab <schwab@...e.de>,
	Johannes Weiner <hannes@...urebad.de>
Subject: Re: [PATCH 1/8] cpumask: Replace cpumask_of_cpu with	cpumask_of_cpu_ptr

Ingo Molnar wrote:
> * Ingo Molnar <mingo@...e.hu> wrote:
> 
>>> The simple version is just a static array of [NR_CPUS] cpumask_t's.  
>>> Do that, with an override for smarter archs?
>>>
>>> I really REALLY prefer that over the fairly tortuous macros.
>> a fresh commit in -git has exposed the topology.h mess - see the hack 
>> below. We now have diverging versions of topology_core_siblings() 
>> semantics - that sure cannot be right. Mike?
> 
> also i had to do the net/sunrpc/svc.c fixup below.
> 
> 	Ingo
> 
> diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
> index 5a32cb7..835d274 100644
> --- a/net/sunrpc/svc.c
> +++ b/net/sunrpc/svc.c
> @@ -310,7 +310,8 @@ svc_pool_map_set_cpumask(struct task_struct *task, unsigned int pidx)
>  	switch (m->mode) {
>  	case SVC_POOL_PERCPU:
>  	{
> -		set_cpus_allowed_ptr(task, &cpumask_of_cpu(node));
> +		cpumask_of_cpu_ptr(cpumask, node);
> +		set_cpus_allowed_ptr(task, cpumask);
>  		break;
>  	}
>  	case SVC_POOL_PERNODE:


I had sent in a patch that has this change.

Standby, the "generic" cpumask_of_cpu_map patch is coming... just testing now.

THanks,
Mike
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