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

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Date:	Wed, 23 Jul 2008 13:23:09 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Mike Travis <travis@....com>,
	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 <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:
--
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