linux-kernel - Re: [PATCH v13 00/23] Compile-time stack metadata validation

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Message-ID: <20151012074110.GB16543@gmail.com>
Date:	Mon, 12 Oct 2015 09:41:11 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Josh Poimboeuf <jpoimboe@...hat.com>
Cc:	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	live-patching@...r.kernel.org, Michal Marek <mmarek@...e.cz>,
	Peter Zijlstra <peterz@...radead.org>,
	Andy Lutomirski <luto@...nel.org>,
	Borislav Petkov <bp@...en8.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>,
	Pedro Alves <palves@...hat.com>,
	Namhyung Kim <namhyung@...il.com>,
	Bernd Petrovitsch <bernd@...rovitsch.priv.at>,
	Chris J Arges <chris.j.arges@...onical.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Vrabel <david.vrabel@...rix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Chris Wright <chrisw@...s-sol.org>,
	Alok Kataria <akataria@...are.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	Pavel Machek <pavel@....cz>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <len.brown@...el.com>,
	Matt Fleming <matt.fleming@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Subject: Re: [PATCH v13 00/23] Compile-time stack metadata validation


* Josh Poimboeuf <jpoimboe@...hat.com> wrote:

> Hi Ingo,
> 
> Do you have any more objections to these patches?  Would you be willing
> to apply them?

So I still don't like the tool namespace you picked: Git-alike generic naming plus 
subcommands work so much better that I'm not sure why we are even having that 
discussion: if you name your tool 'stacktool' and alias everything you have today 
to under 'stacktool run ...' and add 'stacktool help' as a second, obvious 
subcommand then you'll have your current syntax and a lot more future flexibility 
and ability to branch off various functionality a'la Git, perf or kvmtool ...

It's an 100% equivalent superset of your current stacktool's parameter structure, 
so none of your prior objections apply.

Thanks,

	Ingo
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