From: Andi Kleen <andi@firstfloor.org>
To: "Robert P. J. Day" <rpjday@crashcourse.ca>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH] RWSEM: Rewrite rwsem.c and rwsem-spinlock.c more simply.
Date: 25 Mar 2008 13:08:45 +0100 [thread overview]
Message-ID: <87skyfgg4y.fsf@basil.nowhere.org> (raw)
In-Reply-To: <alpine.LFD.1.00.0803250659530.18358@localhost.localdomain>
"Robert P. J. Day" <rpjday@crashcourse.ca> writes:
> Rewrite these source files more simply by deleting the superfluous
> "tsk" task_struct pointer and rephrasing in terms of the "current"
> task pointer.
This is likely a code pessimization because "current" is inline
assembler and many gcc versions cannot CSE it.
-Andi
next prev parent reply other threads:[~2008-03-25 12:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-25 11:02 [PATCH] RWSEM: Rewrite rwsem.c and rwsem-spinlock.c more simply Robert P. J. Day
2008-03-25 12:08 ` Andi Kleen [this message]
2008-03-25 12:27 ` Robert P. J. Day
2008-03-25 12:36 ` Andi Kleen
2008-03-25 12:42 ` Robert P. J. Day
2008-03-25 19:14 ` Andrew Morton
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=87skyfgg4y.fsf@basil.nowhere.org \
--to=andi@firstfloor.org \
--cc=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=rpjday@crashcourse.ca \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.