linux-kernel - Re: [PATCH v11 03/20] x86/virt/tdx: Make INTEL_TDX_HOST depend on X86

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Message-ID: <20230608000803.x74u5fuylyw2pxjc@box.shutemov.name>
Date:   Thu, 8 Jun 2023 03:08:03 +0300
From:   kirill.shutemov@...ux.intel.com
To:     Kai Huang <kai.huang@...el.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        linux-mm@...ck.org, dave.hansen@...el.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 03/20] x86/virt/tdx: Make INTEL_TDX_HOST depend on
 X86_X2APIC

On Mon, Jun 05, 2023 at 02:27:16AM +1200, Kai Huang wrote:
> TDX capable platforms are locked to X2APIC mode and cannot fall back to
> the legacy xAPIC mode when TDX is enabled by the BIOS.  TDX host support
> requires x2APIC.  Make INTEL_TDX_HOST depend on X86_X2APIC.
> 
> Link: https://lore.kernel.org/lkml/ba80b303-31bf-d44a-b05d-5c0f83038798@intel.com/
> Signed-off-by: Kai Huang <kai.huang@...el.com>
> Reviewed-by: Dave Hansen <dave.hansen@...ux.intel.com>
> Reviewed-by: David Hildenbrand <david@...hat.com>

Reviewed-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

-- 
  Kiryl Shutsemau / Kirill A. Shutemov