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From: Alexander Holler <holler@ahsoftware.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Russell King <linux@arm.linux.org.uk>,
	Grant Likely <grant.likely@linaro.org>
Subject: Re: [PATCH 04/14] init: deps: order network interfaces by link order
Date: Sat, 17 Oct 2015 23:32:20 +0200	[thread overview]
Message-ID: <5622BE64.1000508@ahsoftware.de> (raw)
In-Reply-To: <CA+55aFz62v1oH=K-GKoNmeUzeOx2Ted1w12ahN46qVqmiyhyxg@mail.gmail.com>

Am 17.10.2015 um 21:08 schrieb Linus Torvalds:
> On Sat, Oct 17, 2015 at 12:01 PM, Alexander Holler <holler@ahsoftware.de> wrote:
>>
>> That isn't a flag day thing. It's a config option everyone can turn on and
>> off whenever he wants.
>
> That's a flag-day thing. We've done it (drm comes to mind - several times).
>
> I'm disappointed, because I _know_ I pointed you in the direction of
> stable sorting about a month ago. I really had hoped you'd have taken
> that into account.

Sorry, but I have to add another comment about that stable topological 
sort which can be easily found by searching the web.

As the author mentioned, he has done some search on that topic too and 
has found nothing. So, either I would have to trust his word (and his 
non-public proof) that it works or I would have to prove it myself.

Besides that he says it's based on bubble sort, which is known for its 
speed. So I would have had to write in C in order to see if the speed 
would be acceptable and would still be without any proof that it always 
works correctly.

Regards,

Alexander Holler

  parent reply	other threads:[~2015-10-17 21:32 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-17 17:14 [PATCH 0/14] init: deps: dependency based (parallelized) init Alexander Holler
2015-10-17 17:14 ` [PATCH 01/14] init: deps: introduce annotated initcalls Alexander Holler
2015-10-17 17:14 ` [PATCH 02/14] init: deps: use annotated initcalls for a dependency based (optionally parallelized) init Alexander Holler
2015-10-17 17:14 ` [PATCH 03/14] init: deps: dt: use (HW-specific) dependencies provided by the DT too Alexander Holler
2015-10-19 12:37   ` Mark Brown
2015-10-19 16:27     ` Rob Herring
2015-10-19 17:24       ` Alexander Holler
2015-10-19 17:10     ` Alexander Holler
2015-10-17 17:14 ` [PATCH 04/14] init: deps: order network interfaces by link order Alexander Holler
2015-10-17 18:23   ` Linus Torvalds
2015-10-17 18:37     ` Alexander Holler
2015-10-17 18:52       ` Linus Torvalds
2015-10-17 19:01         ` Alexander Holler
2015-10-17 19:08           ` Linus Torvalds
2015-10-17 19:14             ` Alexander Holler
2015-10-17 19:36               ` Greg Kroah-Hartman
2015-10-17 19:58                 ` Alexander Holler
2015-10-17 21:20                   ` Alexander Holler
2015-10-18  4:59                 ` Alexander Holler
2015-10-18  5:14                   ` Greg Kroah-Hartman
2015-10-18  5:20                     ` Alexander Holler
2015-10-18  5:59                       ` Greg Kroah-Hartman
2015-10-18 10:11                         ` Alexander Holler
2015-10-19 10:57                           ` Alexander Holler
2015-10-19 11:31                             ` Alexander Holler
2015-10-22  6:47                               ` Alexander Holler
2015-10-17 19:37               ` Linus Torvalds
2015-10-17 21:32             ` Alexander Holler [this message]
2015-10-17 18:55       ` Greg Kroah-Hartman
2015-10-17 19:03       ` Linus Torvalds
2015-10-17 19:07         ` Alexander Holler
2015-10-17 17:14 ` [PATCH 05/14] init: deps: order I2C bus drivers by their ID Alexander Holler
2015-10-17 17:14 ` [PATCH 06/14] dtc: deps: Automatically add new property 'dependencies' which contains a list of referenced phandles Alexander Holler
2015-10-17 17:14 ` [PATCH 07/14] dtc: deps: introduce new (virtual) property no-dependencies Alexander Holler
2015-10-17 17:14 ` [PATCH 08/14] dtc: deps: Add option to print initialization order Alexander Holler
2015-10-17 17:14 ` [PATCH 09/14] dtc: deps: Add option to print dependency graph as dot (Graphviz) Alexander Holler
2015-10-17 17:14 ` [PATCH 10/14] init: deps: IDs for annotated initcalls Alexander Holler
2015-10-17 17:45   ` Greg Kroah-Hartman
2015-10-17 17:55     ` Alexander Holler
2015-10-17 18:29       ` Greg Kroah-Hartman
2015-10-17 18:46         ` Alexander Holler
2015-10-19 13:12           ` Mark Brown
2015-10-20 10:30             ` Alexander Holler
2015-10-20 10:42               ` Alexander Holler
2015-10-20 10:50                 ` Alexander Holler
2015-10-20 10:57                 ` Alexander Holler
2015-10-17 17:14 ` [PATCH 11/14] init: deps: annotate various initcalls Alexander Holler
2015-10-17 18:47   ` Linus Torvalds
2015-10-17 18:59     ` Alexander Holler
2015-10-17 17:14 ` [PATCH 12/14] dt: dts: deps: kirkwood: dockstar: add dependency ehci -> usb power regulator Alexander Holler
2015-10-17 17:14 ` [PATCH 13/14] dt: dts: deps: imx6q: make some remote-endpoints non-dependencies Alexander Holler
2015-10-17 17:14 ` [PATCH 14/14] dt: dts: deps: omap: beagle: " Alexander Holler
2015-10-17 17:44 ` [PATCH 0/14] init: deps: dependency based (parallelized) init Greg Kroah-Hartman
2015-10-17 18:19   ` Alexander Holler
2015-10-17 18:38     ` Greg Kroah-Hartman
2015-10-17 19:43       ` Alexander Holler
2015-10-17 20:20         ` Greg Kroah-Hartman
2015-10-17 20:37           ` Alexander Holler
2015-11-06 16:07 ` Alexander Holler

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