linux-kernel - Re: [PATCH 04/14] init: deps: order network interfaces by link order

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Message-ID: <CA+55aFxjhQzjSf7SBR8BRBJWvUEHfKbQMVhgyQkH-p9j4s-Lew@mail.gmail.com>
Date:	Sat, 17 Oct 2015 11:52:24 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Alexander Holler <holler@...oftware.de>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Russell King <linux@....linux.org.uk>,
	Grant Likely <grant.likely@...aro.org>
Subject: Re: [PATCH 04/14] init: deps: order network interfaces by link order

On Sat, Oct 17, 2015 at 11:37 AM, Alexander Holler <holler@...oftware.de> wrote:
>
> I'm making dependencies the only ordering for annotated initcalls.

Yeah, and quite frankly, that just means that I'm not going to merge it.

We do not do "flag-day" things. We've done them in the past, and it
has always been a major and unacceptable pain.

And if the dependency ordering is "outside" of the traditional
link-time ordering, then it is by definition a flag-day event. Every
time you add a dependency to even just *one* driver, it magically
changes ordering wrt all the other drivers, because now it's in a
different ordering domain.

So please reconsider. Or stop cc'ing me. Because "flag day" changes
really are not acceptable.

                       Linus
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