From: "Gerd Hoffmann" <kraxel@redhat.com>
To: Min Xu <min.m.xu@intel.com>
Cc: devel@edk2.groups.io, Ard Biesheuvel <ardb+tianocore@kernel.org>,
Jordan Justen <jordan.l.justen@intel.com>,
Brijesh Singh <brijesh.singh@amd.com>,
Erdem Aktas <erdemaktas@google.com>,
James Bottomley <jejb@linux.ibm.com>,
Jiewen Yao <jiewen.yao@intel.com>,
Tom Lendacky <thomas.lendacky@amd.com>
Subject: Re: [PATCH V5 2/2] OvmfPkg/ResetVector: Enable Intel TDX in ResetVector of Ovmf
Date: Mon, 30 Aug 2021 09:40:58 +0200 [thread overview]
Message-ID: <20210830074058.22gfqmzrha4su6fh@sirius.home.kraxel.org> (raw)
In-Reply-To: <81c97a782bbbf83043854ad8a86d14604918d788.1630289827.git.min.m.xu@intel.com>
Hi,
> _TdxPageTable:
> If 5-level page table is supported (GPAW is 52), a top level page
> directory pointers (1 * 256TB entry) is generated in this page.
> _OvmfPageTable:
> Initial page table for standard Ovmf.
Hmm, isn't 5-level paging independent from TDX? Why mix the two?
I think a top level page directory should be added to the standard ovmf
initial page tables instead, and setting up 5-level paging should not
happen in tdx-specific code.
take care,
Gerd
next prev parent reply other threads:[~2021-08-30 7:41 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-30 2:35 [PATCH V5 0/2] Add Intel TDX support in OvmfPkg/ResetVector Min Xu
2021-08-30 2:35 ` [PATCH V5 1/2] OvmfPkg: Introduce Tdx BFV/CFV PCDs and PcdOvmfImageSizeInKb Min Xu
2021-08-30 7:03 ` Gerd Hoffmann
2021-08-31 3:29 ` [edk2-devel] " Min Xu
2021-08-31 5:13 ` Gerd Hoffmann
2021-08-31 6:17 ` Min Xu
2021-08-31 10:21 ` Gerd Hoffmann
2021-09-01 5:18 ` Min Xu
2021-09-01 6:10 ` Gerd Hoffmann
2021-09-01 6:57 ` Ard Biesheuvel
2021-09-01 7:19 ` Min Xu
2021-09-01 7:44 ` Gerd Hoffmann
2021-09-01 8:59 ` Yao, Jiewen
2021-09-01 16:53 ` James Bottomley
2021-09-01 19:19 ` Andrew Fish
2021-09-10 17:03 ` Erdem Aktas
2021-08-30 2:35 ` [PATCH V5 2/2] OvmfPkg/ResetVector: Enable Intel TDX in ResetVector of Ovmf Min Xu
2021-08-30 7:40 ` Gerd Hoffmann [this message]
2021-08-31 3:09 ` [edk2-devel] " Min Xu
2021-08-31 5:35 ` Gerd Hoffmann
2021-09-02 0:05 ` Min Xu
2021-09-02 7:18 ` Gerd Hoffmann
2021-09-02 7:49 ` Min Xu
2021-09-03 3:03 ` Yao, Jiewen
2021-09-03 5:39 ` Gerd Hoffmann
2021-09-09 13:54 ` Min Xu
2021-09-10 8:19 ` Gerd Hoffmann
2021-09-14 3:54 ` Yao, Jiewen
2021-09-11 1:17 ` Erdem Aktas
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