arch, vmm: Clear AMX CPUID bits if the feature is not enabled

Fixes: #5833 Signed-off-by: Bo Chen <chen.bo@intel.com>
2026-08-05 02:19:16 +00:00 · 2023-10-11 15:06:27 -07:00
parent 7dd260f82f
commit 0b4c153d4d
4 changed files with 16 additions and 0 deletions
@@ -2409,6 +2409,7 @@ impl Snapshottable for Vm {

        #[cfg(all(feature = "kvm", target_arch = "x86_64"))]
        let common_cpuid = {
+            let amx = self.config.lock().unwrap().cpus.features.amx;
            let phys_bits = physical_bits(
                &self.hypervisor,
                self.config.lock().unwrap().cpus.max_phys_bits,
@@ -2421,6 +2422,7 @@ impl Snapshottable for Vm {
                    kvm_hyperv: self.config.lock().unwrap().cpus.kvm_hyperv,
                    #[cfg(feature = "tdx")]
                    tdx: tdx_enabled,
+                    amx,
                },
            )
            .map_err(|e| {