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From: Sean Christopherson <seanjc@google.com>
To: Xiaoyao Li <xiaoyao.li@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	 linux-kernel@vger.kernel.org, linux-coco@lists.linux.dev,
	kvm@vger.kernel.org,
	 "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	 Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org,  "H. Peter Anvin" <hpa@zytor.com>,
	rick.p.edgecombe@intel.com, Kai Huang <kai.huang@intel.com>,
	 binbin.wu@linux.intel.com, yan.y.zhao@intel.com,
	reinette.chatre@intel.com,  isaku.yamahata@intel.com,
	adrian.hunter@intel.com, tony.lindgren@intel.com
Subject: Re: [PATCH 2/2] KVM: TDX: Remove redundant definitions of TDX_TD_ATTR_*
Date: Tue, 8 Jul 2025 07:03:23 -0700	[thread overview]
Message-ID: <aG0lK5MiufiTCi9x@google.com> (raw)
In-Reply-To: <20250708080314.43081-3-xiaoyao.li@intel.com>

On Tue, Jul 08, 2025, Xiaoyao Li wrote:
> There are definitions of TD attributes bits inside asm/shared/tdx.h as
> TDX_ATTR_*.
> 
> Remove KVM's definitions and use the ones in asm/shared/tdx.h
> 
> Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
> ---
>  arch/x86/kvm/vmx/tdx.c      | 4 ++--
>  arch/x86/kvm/vmx/tdx_arch.h | 6 ------
>  2 files changed, 2 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/x86/kvm/vmx/tdx.c b/arch/x86/kvm/vmx/tdx.c
> index c539c2e6109f..efb7d589b672 100644
> --- a/arch/x86/kvm/vmx/tdx.c
> +++ b/arch/x86/kvm/vmx/tdx.c
> @@ -62,7 +62,7 @@ void tdh_vp_wr_failed(struct vcpu_tdx *tdx, char *uclass, char *op, u32 field,
>  	pr_err("TDH_VP_WR[%s.0x%x]%s0x%llx failed: 0x%llx\n", uclass, field, op, val, err);
>  }
>  
> -#define KVM_SUPPORTED_TD_ATTRS (TDX_TD_ATTR_SEPT_VE_DISABLE)
> +#define KVM_SUPPORTED_TD_ATTRS (TDX_ATTR_SEPT_VE_DISABLE)

Would it make sense to rename KVM_SUPPORTED_TD_ATTRS to KVM_SUPPORTED_TDX_ATTRS?
The names from common code lack the TD qualifier, and I think it'd be helpful for
readers to have have TDX in the name (even though I agree "TD" is more precise).

  parent reply	other threads:[~2025-07-08 14:03 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-08  8:03 [PATCH 0/2] TDX: Clean up the definitions of TDX ATTRIBUTES Xiaoyao Li
2025-07-08  8:03 ` [PATCH 1/2] x86/tdx: Fix the typo of TDX_ATTR_MIGRTABLE Xiaoyao Li
2025-07-08 11:03   ` Huang, Kai
2025-07-08 14:20   ` Edgecombe, Rick P
2025-07-09  3:32     ` Xiaoyao Li
2025-07-08  8:03 ` [PATCH 2/2] KVM: TDX: Remove redundant definitions of TDX_TD_ATTR_* Xiaoyao Li
2025-07-08 11:05   ` Huang, Kai
2025-07-08 14:03   ` Sean Christopherson [this message]
2025-07-08 14:28     ` Xiaoyao Li
2025-07-08 14:29     ` Edgecombe, Rick P
2025-07-08 14:44       ` Sean Christopherson
2025-07-09  0:43         ` Xiaoyao Li

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