linux-kernel - Re: [PATCH v19 001/130] x86/virt/tdx: Rename _offset to _member for TD_SYSINFO

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Date: Fri, 8 Mar 2024 15:25:40 +0800
From: Binbin Wu <binbin.wu@...ux.intel.com>
To: isaku.yamahata@...el.com
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
 isaku.yamahata@...il.com, Paolo Bonzini <pbonzini@...hat.com>,
 erdemaktas@...gle.com, Sean Christopherson <seanjc@...gle.com>,
 Sagi Shahar <sagis@...gle.com>, Kai Huang <kai.huang@...el.com>,
 chen.bo@...el.com, hang.yuan@...el.com, tina.zhang@...el.com,
 "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: Re: [PATCH v19 001/130] x86/virt/tdx: Rename _offset to _member for
 TD_SYSINFO_MAP() macro

On 2/26/2024 4:25 PM, isaku.yamahata@...el.com wrote:
> From: Kai Huang <kai.huang@...el.com>
>
> TD_SYSINFO_MAP() macro actually takes the member of the 'struct
> tdx_tdmr_sysinfo' as the second argument and uses the offsetof() to
> calculate the offset for that member.
>
> Rename the macro argument _offset to _member to reflect this.
>
> Signed-off-by: Kai Huang <kai.huang@...el.com>
> Reviewed-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
> Signed-off-by: Isaku Yamahata <isaku.yamahata@...el.com>

Reviewed-by: Binbin Wu <binbin.wu@...ux.intel.com>

> ---
>   arch/x86/virt/vmx/tdx/tdx.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/virt/vmx/tdx/tdx.c b/arch/x86/virt/vmx/tdx/tdx.c
> index 4d6826a76f78..2aee64d2f27f 100644
> --- a/arch/x86/virt/vmx/tdx/tdx.c
> +++ b/arch/x86/virt/vmx/tdx/tdx.c
> @@ -297,9 +297,9 @@ struct field_mapping {
>   	int offset;
>   };
>   
> -#define TD_SYSINFO_MAP(_field_id, _offset) \
> +#define TD_SYSINFO_MAP(_field_id, _member) \
>   	{ .field_id = MD_FIELD_ID_##_field_id,	   \
> -	  .offset   = offsetof(struct tdx_tdmr_sysinfo, _offset) }
> +	  .offset   = offsetof(struct tdx_tdmr_sysinfo, _member) }
>   
>   /* Map TD_SYSINFO fields into 'struct tdx_tdmr_sysinfo': */
>   static const struct field_mapping fields[] = {