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[PATCH v3 68/70] i386/tdx: Skip kvm_put_apicbase() for TDs
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From: |
Xiaoyao Li |
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Subject: |
[PATCH v3 68/70] i386/tdx: Skip kvm_put_apicbase() for TDs |
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Date: |
Wed, 15 Nov 2023 02:15:17 -0500 |
KVM doesn't allow wirting to MSR_IA32_APICBASE for TDs.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.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 12d909d08862..5c5400c51cd1 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -3061,6 +3061,11 @@ 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);
}
--
2.34.1
- [PATCH v3 58/70] pci-host/q35: Move PAM initialization above SMRAM initialization, (continued)
- [PATCH v3 58/70] pci-host/q35: Move PAM initialization above SMRAM initialization, Xiaoyao Li, 2023/11/15
- [PATCH v3 60/70] i386/tdx: Disable SMM for TDX VMs, Xiaoyao Li, 2023/11/15
- [PATCH v3 61/70] i386/tdx: Disable PIC for TDX VMs, Xiaoyao Li, 2023/11/15
- [PATCH v3 59/70] q35: Introduce smm_ranges property for q35-pci-host, Xiaoyao Li, 2023/11/15
- [PATCH v3 62/70] i386/tdx: Don't allow system reset for TDX VMs, Xiaoyao Li, 2023/11/15
- [PATCH v3 65/70] hw/i386: add option to forcibly report edge trigger in acpi tables, Xiaoyao Li, 2023/11/15
- [PATCH v3 64/70] hw/i386: add eoi_intercept_unsupported member to X86MachineState, Xiaoyao Li, 2023/11/15
- [PATCH v3 63/70] i386/tdx: LMCE is not supported for TDX, Xiaoyao Li, 2023/11/15
- [PATCH v3 66/70] i386/tdx: Don't synchronize guest tsc for TDs, Xiaoyao Li, 2023/11/15
- [PATCH v3 67/70] i386/tdx: Only configure MSR_IA32_UCODE_REV in kvm_init_msrs() for TDs, Xiaoyao Li, 2023/11/15
- [PATCH v3 68/70] i386/tdx: Skip kvm_put_apicbase() for TDs,
Xiaoyao Li <=
- [PATCH v3 69/70] i386/tdx: Don't get/put guest state for TDX VMs, Xiaoyao Li, 2023/11/15
- [PATCH v3 70/70] docs: Add TDX documentation, Xiaoyao Li, 2023/11/15