linux-kernel - Re: [PATCH v4 3/8] x86/fpu/xstate: Add CET supervisor xfeature support

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Message-ID: <Z+6McMRYjHM8aUXI@intel.com>
Date: Thu, 3 Apr 2025 21:26:08 +0800
From: Chao Gao <chao.gao@...el.com>
To: Dave Hansen <dave.hansen@...el.com>
CC: "Chang S. Bae" <chang.seok.bae@...el.com>, <x86@...nel.org>,
	<linux-kernel@...r.kernel.org>, <kvm@...r.kernel.org>, <tglx@...utronix.de>,
	<seanjc@...gle.com>, <pbonzini@...hat.com>, <peterz@...radead.org>,
	<rick.p.edgecombe@...el.com>, <weijiang.yang@...el.com>,
	<john.allen@....com>, <bp@...en8.de>, <xin3.li@...el.com>, Maxim Levitsky
	<mlevitsk@...hat.com>, Ingo Molnar <mingo@...hat.com>, Dave Hansen
	<dave.hansen@...ux.intel.com>, "H. Peter Anvin" <hpa@...or.com>, "Mitchell
 Levy" <levymitchell0@...il.com>, Samuel Holland <samuel.holland@...ive.com>,
	Aruna Ramakrishna <aruna.ramakrishna@...cle.com>, Vignesh Balasubramanian
	<vigbalas@....com>
Subject: Re: [PATCH v4 3/8] x86/fpu/xstate: Add CET supervisor xfeature
 support

On Wed, Apr 02, 2025 at 02:37:32PM -0700, Dave Hansen wrote:
>On 4/1/25 10:15, Chang S. Bae wrote:
>> In V3, you moved this patch further back to position 8 out of 10. Now,
>> in this version, you've placed it at position 3 out of 8.
>> 
>> This raises the question of whether you've fully internalized his advice.
>
>Uh huh.
>
>1. Refactor/fix existing code
>2. Add new infrastructure
>3. Add new feature

Okay. Then, Chang's interpretation is accurate. I will organize the series
in this order.

Thank you both.