linux-kernel - Re: [PATCH v11 10/20] x86/virt/tdx: Add placeholder to construct TDMRs to cover all TDX memory regions

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Message-ID: <c1f6322a-eb27-3a3c-5d96-f0601c004a8d@intel.com>
Date:   Wed, 7 Jun 2023 08:57:09 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Kai Huang <kai.huang@...el.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     linux-mm@...ck.org, kirill.shutemov@...ux.intel.com,
        tony.luck@...el.com, peterz@...radead.org, tglx@...utronix.de,
        seanjc@...gle.com, pbonzini@...hat.com, david@...hat.com,
        dan.j.williams@...el.com, rafael.j.wysocki@...el.com,
        ying.huang@...el.com, reinette.chatre@...el.com,
        len.brown@...el.com, ak@...ux.intel.com, isaku.yamahata@...el.com,
        chao.gao@...el.com, sathyanarayanan.kuppuswamy@...ux.intel.com,
        bagasdotme@...il.com, sagis@...gle.com, imammedo@...hat.com
Subject: Re: [PATCH v11 10/20] x86/virt/tdx: Add placeholder to construct
 TDMRs to cover all TDX memory regions

On 6/4/23 07:27, Kai Huang wrote:
> +struct tdmr_info_list {
> +	void *tdmrs;	/* Flexible array to hold 'tdmr_info's */
> +	int nr_consumed_tdmrs;	/* How many 'tdmr_info's are in use */

I'm looking back here after seeing the weird cast in the next patch.

Why is this a void* instead of a _real_ type?