linux-kernel - Re: [PATCH v7 0/7] Add SEV-SNP CipherTextHiding feature support

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Message-ID: <aKURLcxv6uLnNxI2@google.com>
Date: Tue, 19 Aug 2025 17:05:01 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Borislav Petkov <bp@...en8.de>
Cc: Kim Phillips <kim.phillips@....com>, Ashish Kalra <ashish.kalra@....com>, 
	Herbert Xu <herbert@...dor.apana.org.au>, Neeraj.Upadhyay@....com, aik@....com, 
	akpm@...ux-foundation.org, ardb@...nel.org, arnd@...db.de, corbet@....net, 
	dave.hansen@...ux.intel.com, davem@...emloft.net, hpa@...or.com, 
	john.allen@....com, kvm@...r.kernel.org, linux-crypto@...r.kernel.org, 
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, michael.roth@....com, 
	mingo@...hat.com, nikunj@....com, paulmck@...nel.org, pbonzini@...hat.com, 
	rostedt@...dmis.org, tglx@...utronix.de, thomas.lendacky@....com, 
	x86@...nel.org
Subject: Re: [PATCH v7 0/7] Add SEV-SNP CipherTextHiding feature support

On Tue, Aug 19, 2025, Borislav Petkov wrote:
> On Mon, Aug 18, 2025 at 02:38:38PM -0500, Kim Phillips wrote:
> > I have pending comments on patch 7:
> 
> If you're so hell-bent on doing your improvements on-top or aside of them, you
> take his patch, add your stuff ontop or rewrite it, test it and then you send
> it out and say why yours is better.
> 
> Then the maintainer decides.
> 
> There's no need to debate ad absurdum - you simply offer your idea and the
> maintainer decides which one is better. As it has always been done.

Or, the maintainer says "huh!?" and goes with option C.

Why take a string in the first place?  Just use '-1' as "max/auto".