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[PATCH v1 38/40] i386/tdx: Skip kvm_put_apicbase() for TDs
From: |
Xiaoyao Li |
Subject: |
[PATCH v1 38/40] i386/tdx: Skip kvm_put_apicbase() for TDs |
Date: |
Tue, 2 Aug 2022 15:47:48 +0800 |
KVM doesn't allow wirting to MSR_IA32_APICBASE for TDs.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
target/i386/kvm/kvm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 53ab539e7e4d..948c87ebdb97 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -2949,6 +2949,11 @@ void kvm_put_apicbase(X86CPU *cpu, uint64_t value)
{
int ret;
+ /* TODO: Allow accessing guest state for debug TDs. */
+ if (is_tdx_vm()) {
+ return;
+ }
+
ret = kvm_put_one_msr(cpu, MSR_IA32_APICBASE, value);
assert(ret == 1);
}
--
2.27.0
- Re: [PATCH v1 25/40] i386/tdx: Track RAM entries for TDX VM, (continued)
- [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
- [PATCH v1 38/40] i386/tdx: Skip kvm_put_apicbase() for TDs,
Xiaoyao Li <=
- [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