linux-kernel - Re: [PATCH v19 029/130] KVM: TDX: Add C wrapper functions for SEAMCALLs to the TDX module

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Message-ID: <a79bd3c9d49dd5e24f4dd36c2942b50dbe1099e2.camel@intel.com>
Date: Wed, 24 Apr 2024 10:50:55 +0000
From: "Huang, Kai" <kai.huang@...el.com>
To: "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "Yamahata,
 Isaku" <isaku.yamahata@...el.com>
CC: "Zhang, Tina" <tina.zhang@...el.com>, "seanjc@...gle.com"
	<seanjc@...gle.com>, "Yuan, Hang" <hang.yuan@...el.com>,
	"binbin.wu@...ux.intel.com" <binbin.wu@...ux.intel.com>, "Chen, Bo2"
	<chen.bo@...el.com>, "sagis@...gle.com" <sagis@...gle.com>,
	"isaku.yamahata@...il.com" <isaku.yamahata@...il.com>, "Aktas, Erdem"
	<erdemaktas@...gle.com>, "pbonzini@...hat.com" <pbonzini@...hat.com>,
	"sean.j.christopherson@...el.com" <sean.j.christopherson@...el.com>, "Yao,
 Yuan" <yuan.yao@...el.com>
Subject: Re: [PATCH v19 029/130] KVM: TDX: Add C wrapper functions for
 SEAMCALLs to the TDX module

On Mon, 2024-02-26 at 00:25 -0800, isaku.yamahata@...el.com wrote:
> +#include <linux/compiler.h>
> +
> +#include <asm/cacheflush.h>
> +#include <asm/asm.h>
> +#include <asm/kvm_host.h>

None of above are needed to build this file, except the
<asm/cacheflush.h>.

I am removing them.

I am also adding <asm/tdx.h> because this file uses 'struct
tdx_module_args'.  And <asm/page.h> for __va().
 
> +
> +#include "tdx_errno.h"
> +#include "tdx_arch.h"

I am moving them to "tdx.h", and make "tdx.h" to include this "tdx_ops.h"
as well, and declare the C file should never include "tdx_ops.h" directly:

https://lore.kernel.org/lkml/72a718244456db291fc3bb243fcbafcb03f854e7.camel@intel.com/