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

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Date: Fri, 15 Mar 2024 23:13:03 +0800
From: Zhao Liu <zhao1.liu@...el.com>
To: Sean Christopherson <seanjc@...gle.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	Paolo Bonzini <pbonzini@...hat.com>,
	Andy Lutomirski <luto@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org, Shan Kang <shan.kang@...el.com>,
	Kai Huang <kai.huang@...el.com>, Xin Li <xin3.li@...el.com>
Subject: Re: [PATCH v6 4/9] KVM: VMX: Move MSR_IA32_VMX_BASIC bit defines to
 asm/vmx.h

On Fri, Mar 08, 2024 at 05:27:20PM -0800, Sean Christopherson wrote:
> Date: Fri,  8 Mar 2024 17:27:20 -0800
> From: Sean Christopherson <seanjc@...gle.com>
> Subject: [PATCH v6 4/9] KVM: VMX: Move MSR_IA32_VMX_BASIC bit defines to
>  asm/vmx.h
> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog
> 
> 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>
> ---
>  arch/x86/include/asm/msr-index.h | 8 --------
>  arch/x86/include/asm/vmx.h       | 7 +++++++
>  2 files changed, 7 insertions(+), 8 deletions(-)

Reviewed-by: Zhao Liu <zhao1.liu@...el.com>