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[PATCH v3 62/70] i386/tdx: Don't allow system reset for TDX VMs
From: |
Xiaoyao Li |
Subject: |
[PATCH v3 62/70] i386/tdx: Don't allow system reset for TDX VMs |
Date: |
Wed, 15 Nov 2023 02:15:11 -0500 |
TDX CPU state is protected and thus vcpu state cann't be reset by VMM.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
---
target/i386/kvm/kvm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index f1c4dd759b3e..a74a0d8e0891 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -5675,7 +5675,7 @@ bool kvm_has_waitpkg(void)
bool kvm_arch_cpu_check_are_resettable(void)
{
- return !sev_es_enabled();
+ return !sev_es_enabled() && !is_tdx_vm();
}
#define ARCH_REQ_XCOMP_GUEST_PERM 0x1025
--
2.34.1
- [PATCH v3 54/70] i386/tdx: handle TDG.VP.VMCALL<MapGPA> hypercall, (continued)
- [PATCH v3 54/70] i386/tdx: handle TDG.VP.VMCALL<MapGPA> hypercall, Xiaoyao Li, 2023/11/15
- [PATCH v3 55/70] i386/tdx: Limit the range size for MapGPA, Xiaoyao Li, 2023/11/15
- [PATCH v3 53/70] i386/tdx: setup a timer for the qio channel, Xiaoyao Li, 2023/11/15
- [PATCH v3 52/70] i386/tdx: handle TDG.VP.VMCALL<GetQuote>, Xiaoyao Li, 2023/11/15
- [PATCH v3 56/70] i386/tdx: Handle TDG.VP.VMCALL<REPORT_FATAL_ERROR>, Xiaoyao Li, 2023/11/15
- [PATCH v3 57/70] i386/tdx: Wire TDX_REPORT_FATAL_ERROR with GuestPanic facility, Xiaoyao Li, 2023/11/15
- [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 <=
- [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, 2023/11/15
- [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