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From: David Howells <dhowells@redhat.com>
To: "Theodore Y. Ts'o" <tytso@mit.edu>
Cc: dhowells@redhat.com,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Steven Whitehouse <swhiteho@redhat.com>,
	Ray Strode <rstrode@redhat.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Nicolas Dichtel <nicolas.dichtel@6wind.com>,
	raven@themaw.net, keyrings@vger.kernel.org,
	linux-usb@vger.kernel.org,
	linux-block <linux-block@vger.kernel.org>,
	Christian Brauner <christian@brauner.io>,
	LSM List <linux-security-module@vger.kernel.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Linux API <linux-api@vger.kernel.org>,
	Linux List Kernel Mailing <linux-kernel@vger.kernel.org>,
	Al Viro <viro@zeniv.linux.org.uk>,
	"Ray, Debarshi" <debarshi.ray@gmail.com>,
	Robbie Harwood <rharwood@redhat.com>
Subject: Re: Why add the general notification queue and its sources
Date: Fri, 06 Sep 2019 22:19:10 +0100
Message-ID: <24430.1567804750@warthog.procyon.org.uk> (raw)
In-Reply-To: <CAHk-=wjaSzdzYNuQXUSZNkT75Wmfw2v96tekgnV8nOwBQ3h0ig@mail.gmail.com>

Theodore Y. Ts'o <tytso@mit.edu> wrote:

> Something else which we should consider up front is how to handle the
> case where you have multiple userspace processes that want to
> subscribe to the same notification.

I have that.

> This also implies that we'll need to have some kind of standard header
> at the beginning to specify the source of a particular notification
> message.

That too.

David

  reply index

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-04 22:15 [PATCH 00/11] Keyrings, Block and USB notifications [ver #8] David Howells
2019-09-04 22:15 ` [PATCH 01/11] uapi: General notification ring definitions " David Howells
2019-09-04 22:16 ` [PATCH 02/11] security: Add hooks to rule on setting a watch " David Howells
2019-09-04 22:16 ` [PATCH 03/11] security: Add a hook for the point of notification insertion " David Howells
2019-09-04 22:16 ` [PATCH 04/11] General notification queue with user mmap()'able ring buffer " David Howells
2019-09-04 22:16 ` [PATCH 05/11] keys: Add a notification facility " David Howells
2019-09-04 22:16 ` [PATCH 06/11] Add a general, global device notification watch list " David Howells
2019-09-04 22:16 ` [PATCH 07/11] block: Add block layer notifications " David Howells
2019-09-04 22:16 ` [PATCH 08/11] usb: Add USB subsystem " David Howells
2019-09-04 22:17 ` [PATCH 09/11] Add sample notification program " David Howells
2019-09-04 22:17 ` [PATCH 10/11] selinux: Implement the watch_key security hook " David Howells
2019-09-04 22:17 ` [PATCH 11/11] smack: Implement the watch_key and post_notification hooks " David Howells
2019-09-04 22:28 ` [PATCH 00/11] Keyrings, Block and USB notifications " Linus Torvalds
2019-09-05 17:01 ` Why add the general notification queue and its sources David Howells
2019-09-05 17:19   ` Linus Torvalds
2019-09-05 18:32     ` Ray Strode
2019-09-05 20:39       ` Linus Torvalds
2019-09-06 19:32         ` Ray Strode
2019-09-06 19:41           ` Ray Strode
2019-09-06 19:53           ` Robbie Harwood
2019-09-05 21:32       ` David Howells
2019-09-05 22:08         ` Linus Torvalds
2019-09-05 23:18         ` David Howells
2019-09-06  0:07           ` Linus Torvalds
2019-09-06 10:09           ` David Howells
2019-09-06 15:35             ` Linus Torvalds
2019-09-06 15:53               ` Linus Torvalds
2019-09-06 16:12                 ` Steven Whitehouse
2019-09-06 17:07                   ` Linus Torvalds
2019-09-06 17:14                     ` Linus Torvalds
2019-09-06 21:19                       ` David Howells [this message]
2019-09-06 17:14                   ` Andy Lutomirski
2019-09-05 18:37     ` Steven Whitehouse
2019-09-05 18:51       ` Ray Strode
2019-09-05 20:09         ` David Lehman
2019-09-05 18:33   ` Greg Kroah-Hartman

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