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Re: [PATCH v1 36/40] i386/tdx: Don't synchronize guest tsc for TDs
From: |
Gerd Hoffmann |
Subject: |
Re: [PATCH v1 36/40] i386/tdx: Don't synchronize guest tsc for TDs |
Date: |
Fri, 26 Aug 2022 12:33:26 +0200 |
On Tue, Aug 02, 2022 at 03:47:46PM +0800, Xiaoyao Li wrote:
> From: Isaku Yamahata <isaku.yamahata@intel.com>
>
> TSC of TDs is not accessible and KVM doesn't allow access of
> MSR_IA32_TSC for TDs. To avoid the assert() in kvm_get_tsc, make
> kvm_synchronize_all_tsc() noop for TDs,
>
> Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
> Reviewed-by: Connor Kuehl <ckuehl@redhat.com>
> Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
- [PATCH v1 25/40] i386/tdx: Track RAM entries for TDX VM, (continued)
- [PATCH v1 25/40] i386/tdx: Track RAM entries for TDX VM, Xiaoyao Li, 2022/08/02
- [PATCH v1 23/40] i386/tdx: Don't initialize pc.rom for TDX VMs, Xiaoyao Li, 2022/08/02
- [PATCH v1 33/40] i386/tdx: Don't allow system reset for TDX VMs, Xiaoyao Li, 2022/08/02
- [PATCH v1 29/40] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX vcpu, Xiaoyao Li, 2022/08/02
- [PATCH v1 30/40] i386/tdx: Finalize TDX VM, Xiaoyao Li, 2022/08/02
- [PATCH v1 24/40] i386/tdx: Track mem_ptr for each firmware entry of TDVF, Xiaoyao Li, 2022/08/02
- [PATCH v1 34/40] hw/i386: add eoi_intercept_unsupported member to X86MachineState, Xiaoyao Li, 2022/08/02
- [PATCH v1 36/40] i386/tdx: Don't synchronize guest tsc for TDs, Xiaoyao Li, 2022/08/02
- Re: [PATCH v1 36/40] i386/tdx: Don't synchronize guest tsc for TDs,
Gerd Hoffmann <=
- [PATCH v1 38/40] i386/tdx: Skip kvm_put_apicbase() for TDs, Xiaoyao Li, 2022/08/02
- [PATCH v1 35/40] hw/i386: add option to forcibly report edge trigger in acpi tables, Xiaoyao Li, 2022/08/02
- [PATCH v1 37/40] i386/tdx: Only configure MSR_IA32_UCODE_REV in kvm_init_msrs() for TDs, Xiaoyao Li, 2022/08/02
- [PATCH v1 39/40] i386/tdx: Don't get/put guest state for TDX VMs, Xiaoyao Li, 2022/08/02
- [PATCH v1 40/40] docs: Add TDX documentation, Xiaoyao Li, 2022/08/02
- Re: [PATCH v1 00/40] TDX QEMU support, Daniel P . Berrangé, 2022/08/02