From: "Gerd Hoffmann" <kraxel@redhat.com>
To: Min Xu <min.m.xu@intel.com>
Cc: devel@edk2.groups.io,
Michael D Kinney <michael.d.kinney@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 08/10] OvmfPkg: Update Sec to support Tdvf Config-B
Date: Wed, 15 Dec 2021 11:27:53 +0100 [thread overview]
Message-ID: <20211215102753.m4bp56bdxzgmdzkr@sirius.home.kraxel.org> (raw)
In-Reply-To: <20211214134126.869-9-min.m.xu@intel.com>
On Tue, Dec 14, 2021 at 09:41:24PM +0800, Min Xu wrote:
> RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
>
> Tdvf Config-B skip PEI phase to reduce attack surface. So instead of
> jumping to SecStartupPhase2 (), TdxStartup () is called. This function
> brings up Tdx guest from SEC phase to DXE phase.
> + #ifdef INTEL_TDX_FULL_FEATURE
> + if (SecTdxIsEnabled ()) {
> + TdxStartup (&SecCoreData);
> +
> + //
> + // Never arrived here
> + //
> + ASSERT (FALSE);
> + CpuDeadLoop ();
> + }
> +
> + #endif
Oh, wow. So you compile in PEI, then decide at runtime whenever you
use it or not?
No. Please don't. That's just silly. If you don't want use PEI, ok,
fine, but please go the way then, remove PEI from the build and take
the PEI-less code path in all cases.
take care,
Gerd
next prev parent reply other threads:[~2021-12-15 10:28 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-14 13:41 [PATCH 00/10] Introduce TDVF Config-B (basic) in OvmfPkg Min Xu
2021-12-14 13:41 ` [PATCH 01/10] OvmfPkg: Introduce IntelTdxX64 for TDVF Config-B Min Xu
2021-12-15 9:32 ` Gerd Hoffmann
2021-12-14 13:41 ` [PATCH 02/10] EmbeddedPkg/PrePiLib: Update PrePiLib Min Xu
2021-12-14 14:00 ` [edk2-devel] " Ard Biesheuvel
2021-12-16 4:48 ` Min Xu
2021-12-14 13:41 ` [PATCH 03/10] EmbeddedPkg/MemoryAllocationLib: Add null stub for AllocateCopyPool Min Xu
2021-12-14 13:59 ` [edk2-devel] " Ard Biesheuvel
2021-12-16 3:08 ` Min Xu
2021-12-14 13:41 ` [PATCH 04/10] OvmfPkg: Add PrePiHobListPointerLibTdx Min Xu
2021-12-14 13:41 ` [PATCH 05/10] OvmfPkg: Add SecPlatformLibQemuTdx Min Xu
2021-12-15 9:48 ` Gerd Hoffmann
2022-01-07 6:29 ` Min Xu
2021-12-14 13:41 ` [PATCH 06/10] OvmfPkg: Add TdxStartupLib Min Xu
2021-12-15 10:09 ` Gerd Hoffmann
2021-12-16 11:56 ` Min Xu
2022-01-12 1:55 ` Min Xu
2021-12-14 13:41 ` [PATCH 07/10] OvmfPkg: Update TdxDxe to set TDX PCDs Min Xu
2021-12-14 13:41 ` [PATCH 08/10] OvmfPkg: Update Sec to support Tdvf Config-B Min Xu
2021-12-15 10:27 ` Gerd Hoffmann [this message]
2021-12-16 12:21 ` [edk2-devel] " Min Xu
2021-12-16 14:25 ` Gerd Hoffmann
2021-12-19 2:49 ` Min Xu
2021-12-20 12:11 ` Gerd Hoffmann
2021-12-24 3:02 ` Min Xu
2022-01-03 8:02 ` Gerd Hoffmann
2022-01-07 6:13 ` Min Xu
2022-01-10 7:55 ` Gerd Hoffmann
2022-01-11 2:24 ` Min Xu
2022-01-11 9:23 ` Gerd Hoffmann
2022-01-14 2:17 ` Min Xu
2022-01-14 8:32 ` Gerd Hoffmann
2022-01-16 0:55 ` Min Xu
2021-12-14 13:41 ` [PATCH 09/10] OvmfPkg: Update DxeAcpiTimerLib to read HostBridgeDevId in PlatformInfoHob Min Xu
2021-12-14 13:41 ` [PATCH 10/10] OvmfPkg: Add Tdx libs to prevent building broken Min Xu
2021-12-15 10:41 ` [PATCH 00/10] Introduce TDVF Config-B (basic) in OvmfPkg Gerd Hoffmann
2021-12-16 12:36 ` Min Xu
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