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Re: [PATCH v1 22/40] i386/tdx: Skip BIOS shadowing setup
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From: |
Gerd Hoffmann |
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Subject: |
Re: [PATCH v1 22/40] i386/tdx: Skip BIOS shadowing setup |
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Date: |
Fri, 26 Aug 2022 11:13:59 +0200 |
On Tue, Aug 02, 2022 at 03:47:32PM +0800, Xiaoyao Li wrote:
> TDX doesn't support map different GPAs to same private memory. Thus,
> aliasing top 128KB of BIOS as isa-bios is not supported.
>
> On the other hand, TDX guest cannot go to real mode, it can work fine
> without isa-bios.
>
> Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
- [PATCH v1 16/40] i386/tdx: Wire CPU features up with attributes of TD guest, (continued)
- [PATCH v1 16/40] i386/tdx: Wire CPU features up with attributes of TD guest, Xiaoyao Li, 2022/08/02
- [PATCH v1 17/40] i386/tdx: Validate TD attributes, Xiaoyao Li, 2022/08/02
- [PATCH v1 18/40] i386/tdx: Implement user specified tsc frequency, Xiaoyao Li, 2022/08/02
- [PATCH v1 19/40] i386/tdx: Set kvm_readonly_mem_enabled to false for TDX VM, Xiaoyao Li, 2022/08/02
- [PATCH v1 20/40] i386/tdvf: Introduce function to parse TDVF metadata, Xiaoyao Li, 2022/08/02
- [PATCH v1 22/40] i386/tdx: Skip BIOS shadowing setup, Xiaoyao Li, 2022/08/02
- Re: [PATCH v1 22/40] i386/tdx: Skip BIOS shadowing setup,
Gerd Hoffmann <=
- [PATCH v1 21/40] i386/tdx: Parse TDVF metadata for TDX VM, Xiaoyao Li, 2022/08/02
- [PATCH v1 26/40] headers: Add definitions from UEFI spec for volumes, resources, etc..., Xiaoyao Li, 2022/08/02
- [PATCH v1 27/40] i386/tdx: Setup the TD HOB list, Xiaoyao Li, 2022/08/02
- [PATCH v1 31/40] i386/tdx: Disable SMM for TDX VMs, Xiaoyao Li, 2022/08/02
- [PATCH v1 32/40] i386/tdx: Disable PIC for TDX VMs, Xiaoyao Li, 2022/08/02
- [PATCH v1 28/40] i386/tdx: Add TDVF memory via KVM_TDX_INIT_MEM_REGION, Xiaoyao Li, 2022/08/02
- [PATCH v1 25/40] i386/tdx: Track RAM entries for TDX VM, Xiaoyao Li, 2022/08/02