linux-kernel - Re: [PATCH] tile: support GENERIC_KERNEL_THREAD and GENERIC_KERNEL

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Message-ID: <20121024060222.GA20007@gmail.com>
Date:	Wed, 24 Oct 2012 08:02:22 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Jeff King <peff@...f.net>,
	Al Viro <viro@...iv.linux.org.uk>,
	Chris Metcalf <cmetcalf@...era.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-arch@...r.kernel.org,
	Catalin Marinas <catalin.marinas@....com>, git@...r.kernel.org,
	Junio C Hamano <gitster@...ox.com>
Subject: Re: [PATCH] tile: support GENERIC_KERNEL_THREAD and
 GENERIC_KERNEL_EXECVE


* Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Wed, Oct 24, 2012 at 12:25 AM, Thomas Gleixner <tglx@...utronix.de> wrote:
> >>
> >> It is spelled:
> >>
> >>   git notes add -m <comment> SHA1
> >
> > Cool!
> 
> Don't use them for anything global.
> 
> Use them for local codeflow, but don't expect them to be 
> distributed. It's a separate "flow", and while it *can* be 
> distributed, it's not going to be for the kernel, for example. 
> So no, don't start using this to ack things, because the acks 
> *will* get lost.

I'd also add a small meta argument: that it would be actively 
wrong to *allow* 'belated' acks to be added. In practice acks 
are most useful *before* a commit gets created and they often 
have a mostly buerocratic role afterwards.

So we should encourage timely acks (which actually help 
development), and accept ack-less patches as long as they are 
correct and create no problems. More utility, less buerocracy. 
Incorrect, ack-less patches causing problems will get all the 
flames they deserve.

Thanks,

	Ingo
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