From: Florian Weimer <fw@deneb.enyo.de>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Arnd Bergmann <arnd@arndb.de>,
"Eric W. Biederman" <ebiederm@xmission.com>,
One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
Tom Gundersen <teg@jklm.no>, Jiri Kosina <jkosina@suse.cz>,
Linux API <linux-api@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Daniel Mack <daniel@zonque.org>,
David Herrmann <dh.herrmann@gmail.com>,
Djalal Harouni <tixxdz@opendz.org>
Subject: Re: kdbus: add documentation
Date: Sun, 30 Nov 2014 10:08:29 +0100 [thread overview]
Message-ID: <87tx1hxdgy.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <CALCETrWUekPq6pquuiVperBihQHgcvCF=WzVJTZziHhUJYsh4Q@mail.gmail.com> (Andy Lutomirski's message of "Fri, 21 Nov 2014 09:12:39 -0800")
* Andy Lutomirski:
> At the risk of opening a can of worms, wouldn't this be much more
> useful if you could share a pool between multiple connections?
They would also be useful to reduce context switches when receiving
data from all kinds of descriptors. At present, when polling, you
receive notification, and then you have to call into the kernel,
again, to actually fetch the data and associated information. The
kernel could also queue the data for one specific recipient,
addressing the same issue that SO_REUSEPORT tries to solve (on poll
notification, the kernel does not know which recipient will eventually
retrieve the data, so it has to notify and wake up all of them).
WARNING: multiple messages have this Message-ID (diff)
From: Florian Weimer <fw@deneb.enyo.de>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Arnd Bergmann <arnd@arndb.de>,
"Eric W. Biederman" <ebiederm@xmission.com>,
One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
Tom Gundersen <teg@jklm.no>, Jiri Kosina <jkosina@suse.cz>,
Linux API <linux-api@vger.kernel.org>,
"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Daniel Mack <daniel@zonque.org>,
David Herrmann <dh.herrmann@gmail.com>,
Djalal Harouni <tixxdz@opendz.org>
Subject: Re: kdbus: add documentation
Date: Sun, 30 Nov 2014 10:08:29 +0100 [thread overview]
Message-ID: <87tx1hxdgy.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <CALCETrWUekPq6pquuiVperBihQHgcvCF=WzVJTZziHhUJYsh4Q@mail.gmail.com> (Andy Lutomirski's message of "Fri, 21 Nov 2014 09:12:39 -0800")
* Andy Lutomirski:
> At the risk of opening a can of worms, wouldn't this be much more
> useful if you could share a pool between multiple connections?
They would also be useful to reduce context switches when receiving
data from all kinds of descriptors. At present, when polling, you
receive notification, and then you have to call into the kernel,
again, to actually fetch the data and associated information. The
kernel could also queue the data for one specific recipient,
addressing the same issue that SO_REUSEPORT tries to solve (on poll
notification, the kernel does not know which recipient will eventually
retrieve the data, so it has to notify and wake up all of them).
next prev parent reply other threads:[~2014-11-30 9:08 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-21 5:02 [PATCH v2 00/13] Add kdbus implementation Greg Kroah-Hartman
2014-11-21 5:02 ` Greg Kroah-Hartman
2014-11-21 5:02 ` kdbus: add documentation Greg Kroah-Hartman
2014-11-21 8:29 ` Harald Hoyer
2014-11-30 8:56 ` Florian Weimer
[not found] ` <8761dxysl0.fsf-ZqZwdwZz9NfTBotR3TxKnbNAH6kLmebB@public.gmane.org>
2014-11-30 17:17 ` David Herrmann
2014-11-30 17:17 ` David Herrmann
[not found] ` <1416546149-24799-2-git-send-email-gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
2014-11-21 17:12 ` Andy Lutomirski
2014-11-21 17:12 ` Andy Lutomirski
2014-11-24 20:16 ` David Herrmann
2014-11-24 20:57 ` Andy Lutomirski
[not found] ` <CALCETrUfNG=YwwM2m78Ua4fUr9daE1omQwOSJQMKC6CTCa28fQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-26 11:55 ` David Herrmann
2014-11-26 11:55 ` David Herrmann
2014-11-26 15:30 ` Andy Lutomirski
[not found] ` <CALCETrV1vChd9m_AtFjPfddqvPK3z3cjROozWJ8HQHSGm5KWJQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-26 15:39 ` Andy Lutomirski
2014-11-26 15:39 ` Andy Lutomirski
2014-11-30 9:08 ` Florian Weimer [this message]
2014-11-30 9:08 ` Florian Weimer
2014-11-30 17:12 ` David Herrmann
[not found] ` <CANq1E4QJhbypbs1PueKdW7AmBPiiYEg1dN-fsAewDJap82feyg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-30 17:22 ` Florian Weimer
2014-11-30 17:22 ` Florian Weimer
2014-11-30 9:02 ` Florian Weimer
2014-11-30 9:02 ` Florian Weimer
[not found] ` <871tolysbb.fsf-ZqZwdwZz9NfTBotR3TxKnbNAH6kLmebB@public.gmane.org>
2014-11-30 17:15 ` David Herrmann
2014-11-30 17:15 ` David Herrmann
[not found] ` <CANq1E4RjwCVEVT7031CeiKrNvRFkLBZc4-X1uKdrdzpf=EwJ+A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-30 17:23 ` Florian Weimer
2014-11-30 17:23 ` Florian Weimer
[not found] ` <87vblwtxee.fsf-ZqZwdwZz9NfTBotR3TxKnbNAH6kLmebB@public.gmane.org>
2015-01-20 8:09 ` Michael Kerrisk (man-pages)
2015-01-20 8:09 ` Michael Kerrisk (man-pages)
[not found] ` <54BE0D56.5090301-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-01-20 8:25 ` Daniel Mack
2015-01-20 8:25 ` Daniel Mack
2015-01-20 12:54 ` Michael Kerrisk (man-pages)
2014-11-21 5:02 ` kdbus: add header file Greg Kroah-Hartman
2014-11-21 8:34 ` Harald Hoyer
2014-11-21 8:55 ` Daniel Mack
2014-11-21 5:02 ` kdbus: add driver skeleton, ioctl entry points and utility functions Greg Kroah-Hartman
[not found] ` <1416546149-24799-1-git-send-email-gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
2014-11-21 5:02 ` kdbus: add connection pool implementation Greg Kroah-Hartman
2014-11-21 5:02 ` Greg Kroah-Hartman
2014-11-21 6:02 ` [PATCH v2 00/13] Add kdbus implementation Greg Kroah-Hartman
2014-11-21 6:02 ` Greg Kroah-Hartman
2014-11-21 5:02 ` kdbus: add connection, queue handling and message validation code Greg Kroah-Hartman
2014-11-21 5:02 ` kdbus: add node and filesystem implementation Greg Kroah-Hartman
[not found] ` <1416546149-24799-7-git-send-email-gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
2014-11-21 15:55 ` Sasha Levin
2014-11-21 15:55 ` Sasha Levin
[not found] ` <546F606D.40407-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2014-11-21 16:13 ` David Herrmann
2014-11-21 16:13 ` David Herrmann
[not found] ` <CANq1E4QkXv9Ak6eT+NZPsy+5nTGKE8oypLvdr97cFcvmtigS_A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-21 16:56 ` Greg Kroah-Hartman
2014-11-21 16:56 ` Greg Kroah-Hartman
[not found] ` <20141121165638.GA24866-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2014-11-21 17:03 ` Sasha Levin
2014-11-21 17:03 ` Sasha Levin
[not found] ` <546F7077.4010200-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2014-11-21 17:55 ` Greg Kroah-Hartman
2014-11-21 17:55 ` Greg Kroah-Hartman
2014-11-21 16:35 ` Andy Lutomirski
2014-11-21 16:41 ` Andy Lutomirski
[not found] ` <CALCETrW-RkhKa4n7X1HoPgmSuLV4V8YQ=FaSYVJ1YsHS=pJCSQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-21 16:53 ` David Herrmann
2014-11-21 16:53 ` David Herrmann
2014-11-21 5:02 ` kdbus: add code to gather metadata Greg Kroah-Hartman
[not found] ` <1416546149-24799-8-git-send-email-gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
2014-11-21 19:50 ` Andy Lutomirski
2014-11-21 19:50 ` Andy Lutomirski
[not found] ` <546F977B.7040500-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>
2014-12-01 13:50 ` Daniel Mack
2014-12-01 13:50 ` Daniel Mack
2014-12-01 14:46 ` Andy Lutomirski
2014-11-21 5:02 ` kdbus: add code for notifications and matches Greg Kroah-Hartman
2014-11-21 5:02 ` kdbus: add code for buses, domains and endpoints Greg Kroah-Hartman
[not found] ` <1416546149-24799-10-git-send-email-gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
2014-11-21 8:14 ` Harald Hoyer
2014-11-21 8:14 ` Harald Hoyer
2014-11-21 8:39 ` Harald Hoyer
2014-11-21 5:02 ` kdbus: add name registry implementation Greg Kroah-Hartman
2014-11-21 5:02 ` kdbus: add policy database implementation Greg Kroah-Hartman
2014-11-21 5:02 ` kdbus: add Makefile, Kconfig and MAINTAINERS entry Greg Kroah-Hartman
2014-11-21 5:02 ` kdbus: add selftests Greg Kroah-Hartman
-- strict thread matches above, loose matches on Subject: below --
2014-10-29 22:00 [PATCH 00/12] Add kdbus implementation Greg Kroah-Hartman
2014-10-29 22:00 ` kdbus: add documentation Greg Kroah-Hartman
2014-10-30 12:20 ` Peter Meerwald
[not found] ` <alpine.DEB.2.02.1410301231040.32212-jW+XmwGofnusTnJN9+BGXg@public.gmane.org>
2014-11-02 1:29 ` Greg Kroah-Hartman
2014-11-02 1:29 ` Greg Kroah-Hartman
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