From: Rusty Russell <rusty@rustcorp.com.au>
To: Anton Blanchard <anton@samba.org>
Cc: paulus@samba.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] One-liner typo 2.5.3-pre3 in ppc/kernel/idle.c
Date: Wed, 23 Jan 2002 17:00:25 +1100 [thread overview]
Message-ID: <E16TGSQ-0000sN-00@wagner.rustcorp.com.au> (raw)
In-Reply-To: Your message of "Wed, 23 Jan 2002 16:31:18 +1100." <20020123053118.GB14366@krispykreme>
In message <20020123053118.GB14366@krispykreme> you write:
> We atomically grab the current value of need_resched and replace it with
> -1. The -1 tells the scheduler that we are busy looping and it doesnt need
> to send an IPI to force a reschedule.
Yes, but the replacment loop was completely wrong. Sure, with my
patch this optimization isn't there, but at least it will work as
designed...
Cheers!
Rusty.
--
Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
prev parent reply other threads:[~2002-01-23 6:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-23 4:41 [PATCH] One-liner typo 2.5.3-pre3 in ppc/kernel/idle.c Rusty Russell
2002-01-23 5:31 ` Anton Blanchard
2002-01-23 6:00 ` Rusty Russell [this message]
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=E16TGSQ-0000sN-00@wagner.rustcorp.com.au \
--to=rusty@rustcorp.com.au \
--cc=anton@samba.org \
--cc=linux-kernel@vger.kernel.org \
--cc=paulus@samba.org \
/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.