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[PATCH v7 50/52] i386/tdx: Make invtsc default on
From: |
Xiaoyao Li |
Subject: |
[PATCH v7 50/52] i386/tdx: Make invtsc default on |
Date: |
Fri, 24 Jan 2025 08:20:46 -0500 |
Because it's fixed1 bit that enforced by TDX module.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
target/i386/kvm/tdx.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c
index 58ea6a4d3156..bb75eb06dad9 100644
--- a/target/i386/kvm/tdx.c
+++ b/target/i386/kvm/tdx.c
@@ -439,6 +439,9 @@ static void tdx_cpu_instance_init(X86ConfidentialGuest *cg,
CPUState *cpu)
object_property_set_bool(OBJECT(cpu), "pmu", false, &error_abort);
+ /* invtsc is fixed1 for TD guest */
+ object_property_set_bool(OBJECT(cpu), "invtsc", true, &error_abort);
+
x86cpu->enable_cpuid_0x1f = true;
}
--
2.34.1
- [PATCH v7 39/52] cpu: Don't set vcpu_dirty when guest_state_protected, (continued)
- [PATCH v7 39/52] cpu: Don't set vcpu_dirty when guest_state_protected, Xiaoyao Li, 2025/01/24
- [PATCH v7 42/52] i386/tdx: Apply TDX fixed0 and fixed1 information to supported CPUIDs, Xiaoyao Li, 2025/01/24
- [PATCH v7 41/52] i386/tdx: Implement adjust_cpuid_features() for TDX, Xiaoyao Li, 2025/01/24
- [PATCH v7 49/52] i386/tdx: Don't treat SYSCALL as unavailable, Xiaoyao Li, 2025/01/24
- [PATCH v7 43/52] i386/tdx: Mask off CPUID bits by unsupported TD Attributes, Xiaoyao Li, 2025/01/24
- [PATCH v7 44/52] i386/cpu: Move CPUID_XSTATE_XSS_MASK to header file and introduce CPUID_XSTATE_MASK, Xiaoyao Li, 2025/01/24
- [PATCH v7 46/52] i386/tdx: Mark the configurable bit not reported by KVM as unsupported, Xiaoyao Li, 2025/01/24
- [PATCH v7 40/52] i386/cgs: Rename *mask_cpuid_features() to *adjust_cpuid_features(), Xiaoyao Li, 2025/01/24
- [PATCH v7 45/52] i386/tdx: Mask off CPUID bits by unsupported XFAM, Xiaoyao Li, 2025/01/24
- [PATCH v7 47/52] i386/cgs: Introduce x86_confidential_guest_check_features(), Xiaoyao Li, 2025/01/24
- [PATCH v7 50/52] i386/tdx: Make invtsc default on,
Xiaoyao Li <=
- [PATCH v7 51/52] i386/tdx: Validate phys_bits against host value, Xiaoyao Li, 2025/01/24
- [PATCH v7 48/52] i386/tdx: Fetch and validate CPUID of TD guest, Xiaoyao Li, 2025/01/24
- [PATCH v7 52/52] docs: Add TDX documentation, Xiaoyao Li, 2025/01/24