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From: George Dunlap <George.Dunlap@eu.citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>, Keir Fraser <keir@xen.org>
Subject: Re: [PATCH 3/5] credit2: replace cpumask_first() uses
Date: Fri, 23 Aug 2013 12:49:11 +0100	[thread overview]
Message-ID: <CAFLBxZaSZt+06czhpdgpixJQkZLvqySrZShntfE1MH5JWF=eQQ@mail.gmail.com> (raw)
In-Reply-To: <5217314802000078000EDE90@nat28.tlf.novell.com>

On Fri, Aug 23, 2013 at 8:54 AM, Jan Beulich <JBeulich@suse.com> wrote:
> ... with cpumask_any() or cpumask_cycle().
>
> In one case this also allows elimination of a cpumask_empty() call,
> and while doing this I also spotted a redundant use of
> cpumask_weight(). (When running on big systems, operations on CPU masks
> aren't cheap enough to use them carelessly.)
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Reviewed-by: George Dunlap <george.dunlap@eu.citrix.com>

  reply	other threads:[~2013-08-23 11:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-23  7:51 [PATCH 0/5] adjust usage of certain cpumask_*() operations Jan Beulich
2013-08-23  7:52 ` [PATCH 1/5] un-alias cpumask_any() from cpumask_first() Jan Beulich
2013-08-23 11:37   ` George Dunlap
2013-08-23  7:53 ` [PATCH 2/5] x86: use cpumask_any() in mask-to-APIC-ID conversions Jan Beulich
2013-08-23  7:54 ` [PATCH 3/5] credit2: replace cpumask_first() uses Jan Beulich
2013-08-23 11:49   ` George Dunlap [this message]
2013-08-23  7:54 ` [PATCH 4/5] credit1: replace cpumask_empty() uses Jan Beulich
2013-08-23 11:50   ` George Dunlap
2013-08-23  7:55 ` [PATCH 5/5] domctl: replace cpumask_weight() uses Jan Beulich
2013-08-23  8:43 ` [PATCH 0/5] adjust usage of certain cpumask_*() operations Keir Fraser

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