linux-kernel - Re: [PATCH v6 4/9] KVM: VMX: Move MSR_IA32_VMX

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Date: Wed, 27 Mar 2024 10:37:46 +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 4/9] KVM: VMX: Move MSR_IA32_VMX_BASIC bit defines to
 asm/vmx.h

On Fri, 2024-03-08 at 17:27 -0800, Sean Christopherson wrote:
> From: Xin Li <xin3.li@...el.com>
> 
> Move the bit defines for MSR_IA32_VMX_BASIC from msr-index.h to vmx.h so
> that they are colocated with other VMX MSR bit defines, and with the
> helpers that extract specific information from an MSR_IA32_VMX_BASIC value.
> 
> Opportunistically use BIT_ULL() instead of open coding hex values.
> 
> Opportunistically rename VMX_BASIC_64 to VMX_BASIC_32BIT_PHYS_ADDR_ONLY,
> as "VMX_BASIC_64" is widly misleading.  The flag enumerates that addresses
> are limited to 32 bits, not that 64-bit addresses are allowed.
> 
> 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]
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>
> 

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