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Message-ID: <cd20e976db25b16ed5152bb3c6dc357d64922c5f.camel@intel.com>
Subject: Re: [PATCH v5 15/22] x86/virt/tdx: Allocate and set up PAMTs for
 TDMRs
From:   Kai Huang <kai.huang@intel.com>
To:     Dave Hansen <dave.hansen@intel.com>, linux-kernel@vger.kernel.org,
        kvm@vger.kernel.org
Cc:     seanjc@google.com, pbonzini@redhat.com, len.brown@intel.com,
        tony.luck@intel.com, rafael.j.wysocki@intel.com,
        reinette.chatre@intel.com, dan.j.williams@intel.com,
        peterz@infradead.org, ak@linux.intel.com,
        kirill.shutemov@linux.intel.com,
        sathyanarayanan.kuppuswamy@linux.intel.com,
        isaku.yamahata@intel.com
Date:   Tue, 28 Jun 2022 11:05:40 +1200
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On Mon, 2022-06-27 at 15:57 -0700, Dave Hansen wrote:
> On 6/27/22 15:50, Kai Huang wrote:
> > > Are Kirill's magic 0/1/2 numbers the same as
> > >=20
> > > 	TDX_PG_4K,
> > > 	TDX_PG_2M,
> > > 	TDX_PG_1G,
> > >=20
> > > ?
> > Yes they are the same.  Kirill uses 0/1/2 as input of TDX_ACCEPT_PAGE T=
DCALL.=20
> > Here I only need them to distinguish different page sizes.
> >=20
> > Do you mean we should put TDX_PG_4K/2M/1G definition to asm/tdx.h, and
> > try_accept_one() should use them instead of magic 0/1/2?
>=20
> I honestly don't care how you do it as long as the magic numbers go away
> (within reason).

OK.  I'll write a patch to replace 0/1/2 magic numbers in try_accept_one().

--=20
Thanks,
-Kai