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From: Rusty Russell <rusty@rustcorp.com.au>
To: Milton Miller <miltonm@bga.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Greg KH <greg@kroah.com>,
	linux-kernel@vger.kernel.org
Subject: Re: cpumask: fix compat getaffinity
Date: Wed, 23 Jun 2010 09:00:29 +0930	[thread overview]
Message-ID: <201006230900.29779.rusty@rustcorp.com.au> (raw)
In-Reply-To: <1273653045_3386@mail4.comsite.net>

On Wed, 12 May 2010 06:00:45 pm Milton Miller wrote:
> 
> At least for parsing, we need to allocate and parse NR_CPUS until
> all places like arch/powerpc/platforms/pseries/xics.c that compare a
> user-supplied mask to CPUMASK_ALL are eliminated.

Hi, this has been bugging me...

We're OK in this case: cpumask_equal() will only iterate to nr_cpus.  That's
one reason for all the cpumask churn...

I'm about to submit the cpumask shrinkage to Ingo.  I'll cc you...

Cheers,
Rusty.

  parent reply	other threads:[~2010-06-22 23:30 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-07 12:45 cpumask: fix compat getaffinity Arnd Bergmann
2010-05-08  8:30 ` Rusty Russell
2010-05-08  9:11   ` Arnd Bergmann
2010-05-10 23:43     ` Rusty Russell
2010-05-11  1:47       ` KOSAKI Motohiro
2010-05-11  3:13         ` [stable] " Greg KH
2010-05-11  5:51           ` Rusty Russell
2010-05-11  6:25             ` KOSAKI Motohiro
2010-05-11  6:20           ` KOSAKI Motohiro
2010-05-11 15:20             ` Greg KH
2010-05-11 18:13               ` Arnd Bergmann
2010-05-11 21:36                 ` Greg KH
2010-05-12  8:30                 ` Milton Miller
2010-05-14 12:39                   ` Rusty Russell
2010-05-17  6:04                     ` KOSAKI Motohiro
2010-05-17 18:58                       ` Arnd Bergmann
2010-05-18  0:57                       ` Rusty Russell
2010-12-14 16:59                       ` Josh Hunt
2010-12-15 14:40                         ` Arnd Bergmann
2010-06-22 23:30                   ` Rusty Russell [this message]
2010-05-11  9:05       ` Arnd Bergmann
2010-05-12  0:52         ` KOSAKI Motohiro

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