From: Eric Dumazet <eric.dumazet@gmail.com>
To: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Cc: akpm@linux-foundation.org, kosaki.motohiro@gmail.com,
linux-kernel@vger.kernel.org, venki@google.com,
rusty@rustcorp.com.au
Subject: Re: [PATCH] lib/cpumask.c: Optimize __any_online_cpu() calculation
Date: Wed, 15 Feb 2012 13:57:07 +0100 [thread overview]
Message-ID: <1329310627.2437.18.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> (raw)
In-Reply-To: <20120215123208.15623.73499.stgit@srivatsabhat.in.ibm.com>
Le mercredi 15 février 2012 à 18:05 +0530, Srivatsa S. Bhat a écrit :
> __any_online_cpu() uses a for loop at the moment.
> Instead, use cpumask_* operations to speed it up.
>
> Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
> ---
> Actually, the patch posted at https://lkml.org/lkml/2012/2/15/101 removed
> the last user of any_online_cpu() (and hence __any_online_cpu()).
> However, since this is an exported symbol, I refrained from removing this
> function altogether.
Just remove the export/function and eventually leave the helper ?
#define any_online_cpu(mask) cpumask_any_and(mask, cpu_online_mask)
next prev parent reply other threads:[~2012-02-15 12:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-15 12:35 Srivatsa S. Bhat
2012-02-15 12:57 ` Eric Dumazet [this message]
2012-02-15 14:19 ` Srivatsa S. Bhat
2012-02-15 22:51 ` Rusty Russell
2012-02-17 12:19 ` Srivatsa S. Bhat
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1329310627.2437.18.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC \
--to=eric.dumazet@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=kosaki.motohiro@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rusty@rustcorp.com.au \
--cc=srivatsa.bhat@linux.vnet.ibm.com \
--cc=venki@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®