linux-kernel - Re: [PATCH v6 9/9] KVM: nVMX: Use macros and #defines in vmx_restore_vmx

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Date: Wed, 27 Mar 2024 11:02:46 +0000
From: "Huang, Kai" <kai.huang@...el.com>
To: "luto@...nel.org" <luto@...nel.org>, "seanjc@...gle.com"
	<seanjc@...gle.com>, "x86@...nel.org" <x86@...nel.org>,
	"dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
	"peterz@...radead.org" <peterz@...radead.org>, "bp@...en8.de" <bp@...en8.de>,
	"mingo@...hat.com" <mingo@...hat.com>, "tglx@...utronix.de"
	<tglx@...utronix.de>, "pbonzini@...hat.com" <pbonzini@...hat.com>
CC: "Li, Xin3" <xin3.li@...el.com>, "kvm@...r.kernel.org"
	<kvm@...r.kernel.org>, "Kang, Shan" <shan.kang@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 9/9] KVM: nVMX: Use macros and #defines in
 vmx_restore_vmx_misc()

On Fri, 2024-03-08 at 17:27 -0800, Sean Christopherson wrote:
> From: Xin Li <xin3.li@...el.com>
> 
> Use macros in vmx_restore_vmx_misc() instead of open coding everything
> using BIT_ULL() and GENMASK_ULL().  Opportunistically split feature bits
> and reserved bits into separate variables, and add a comment explaining
> the subset logic (it's not immediately obvious that the set of feature
> bits is NOT the set of _supported_ feature bits).
> 
> Cc: Shan Kang <shan.kang@...el.com>
> Cc: Kai Huang <kai.huang@...el.com>
> Signed-off-by: Xin Li <xin3.li@...el.com>
> [sean: split to separate patch, write changelog, drop #defines]
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>
> 

Reviewed-by: Kai Huang <kai.huang@...el.com>