linux-kernel - Re: [PATCH v5 5/7] x86/fpu: Initialize guest fpstate and FPU pseudo container from guest defaults

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Message-ID: <b43f9043-58ce-4932-badf-e9510a7d4cd4@intel.com>
Date: Thu, 1 May 2025 07:24:09 -0700
From: "Chang S. Bae" <chang.seok.bae@...el.com>
To: "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>, "Gao, Chao"
	<chao.gao@...el.com>, "Hansen, Dave" <dave.hansen@...el.com>,
	"seanjc@...gle.com" <seanjc@...gle.com>, "x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"tglx@...utronix.de" <tglx@...utronix.de>, "kvm@...r.kernel.org"
	<kvm@...r.kernel.org>, "pbonzini@...hat.com" <pbonzini@...hat.com>
CC: "Yang, Weijiang" <weijiang.yang@...el.com>, "Li, Xin3"
	<xin3.li@...el.com>, "ebiggers@...gle.com" <ebiggers@...gle.com>,
	"bp@...en8.de" <bp@...en8.de>, "dave.hansen@...ux.intel.com"
	<dave.hansen@...ux.intel.com>, "peterz@...radead.org" <peterz@...radead.org>,
	"john.allen@....com" <john.allen@....com>, "mingo@...hat.com"
	<mingo@...hat.com>, "hpa@...or.com" <hpa@...or.com>, "Spassov, Stanislav"
	<stanspas@...zon.de>
Subject: Re: [PATCH v5 5/7] x86/fpu: Initialize guest fpstate and FPU pseudo
 container from guest defaults

On 4/30/2025 11:29 AM, Edgecombe, Rick P wrote:
> 
> So let's drop the code but not the idea. Chang what do you think of that?
Sure, that makes sense. Thanks for bringing up this case.

Staring at the struct guest_fpu fields, some of them appear to match 
with fields in fpstate. In any case, I agree it would be helpful to 
consider a follow-up series after this.

Thanks,
Chang