From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: hi3766691@gmail.com, Hillf Danton <dhillf@gmail.com>,
LKML <linux-kernel@vger.kernel.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Zhouping Liu <zliu@redhat.com>
Subject: Re: Kernel panic - not syncing: Attempted to kill the idle task!
Date: Tue, 12 Jun 2012 12:27:16 +0200 [thread overview]
Message-ID: <1339496836.31548.68.camel@twins> (raw)
In-Reply-To: <CA+55aFw=akW7B+vRkQRMojnP6_b1YXdKpNEjQ2EyBHcTe2_XLw@mail.gmail.com>
On Tue, 2012-06-12 at 13:20 +0300, Linus Torvalds wrote:
> Peter, you are very fundamentally wrong if you think the distance
> array has to be symmetric. That is fundamentally not true for many
> typologies.
>
> The trivial example of a non symmetric case is just a simple
> unidirectional ring. The distance from n to n+1 is just one, but the
> distance from n+1 to n is n-1 hops.
>
> So don't try to say that distances have to be symmetric. That's just
> garbage.
Sure, I realize this, but the 17,18 thing isn't a ring. It looks like
something that should be symmetric but isn't.
next prev parent reply other threads:[~2012-06-12 10:27 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-08 17:13 Kernel panic - not syncing: Attempted to kill the idle task! ZhouPing Liu
2012-06-08 18:46 ` Peter Zijlstra
2012-06-09 1:38 ` Zhouping Liu
2012-06-11 13:27 ` Peter Zijlstra
2012-06-11 13:51 ` Borislav Petkov
2012-06-12 3:54 ` Zhouping Liu
2012-06-12 6:39 ` Zhouping Liu
2012-06-12 8:49 ` Peter Zijlstra
[not found] ` <CA+55aFw=akW7B+vRkQRMojnP6_b1YXdKpNEjQ2EyBHcTe2_XLw@mail.gmail.com>
2012-06-12 10:27 ` Peter Zijlstra [this message]
2012-06-12 11:08 ` Peter Zijlstra
2012-06-12 16:45 ` Peter Zijlstra
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=1339496836.31548.68.camel@twins \
--to=a.p.zijlstra@chello.nl \
--cc=aarcange@redhat.com \
--cc=dhillf@gmail.com \
--cc=hi3766691@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@linux-foundation.org \
--cc=zliu@redhat.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