Re: [PATCH v5 4/7] x86/fpu: Initialize guest FPU permissions from guest defaults

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To: "Gao, Chao" <chao.gao@xxxxxxxxx>, "Hansen, Dave" <dave.hansen@xxxxxxxxx>, "seanjc@xxxxxxxxxx" <seanjc@xxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "kvm@xxxxxxxxxxxxxxx" <kvm@xxxxxxxxxxxxxxx>, "pbonzini@xxxxxxxxxx" <pbonzini@xxxxxxxxxx>
Subject: Re: [PATCH v5 4/7] x86/fpu: Initialize guest FPU permissions from guest defaults
From: "Edgecombe, Rick P" <rick.p.edgecombe@xxxxxxxxx>
Date: Wed, 30 Apr 2025 15:45:44 +0000
Accept-language: en-US
Cc: "Yang, Weijiang" <weijiang.yang@xxxxxxxxx>, "Li, Xin3" <xin3.li@xxxxxxxxx>, "ebiggers@xxxxxxxxxx" <ebiggers@xxxxxxxxxx>, "bp@xxxxxxxxx" <bp@xxxxxxxxx>, "dave.hansen@xxxxxxxxxxxxxxx" <dave.hansen@xxxxxxxxxxxxxxx>, "peterz@xxxxxxxxxxxxx" <peterz@xxxxxxxxxxxxx>, "john.allen@xxxxxxx" <john.allen@xxxxxxx>, "Bae, Chang Seok" <chang.seok.bae@xxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "hpa@xxxxxxxxx" <hpa@xxxxxxxxx>, "Spassov, Stanislav" <stanspas@xxxxxxxxx>
In-reply-to: <20250410072605.2358393-5-chao.gao@intel.com>
References: <20250410072605.2358393-1-chao.gao@intel.com> <20250410072605.2358393-5-chao.gao@intel.com>
User-agent: Evolution 3.44.4-0ubuntu2

On Thu, 2025-04-10 at 15:24 +0800, Chao Gao wrote:

> +	fpu->guest_perm.__user_state_size = guest_default_cfg.user_size;

This part depends on whether we have the separate guest field or not. Otherwise
patch looks good.

Reviewed-by: Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>

References:
- [PATCH v5 0/7] Introduce CET supervisor state support
  - From: Chao Gao
- [PATCH v5 4/7] x86/fpu: Initialize guest FPU permissions from guest defaults
  - From: Chao Gao

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