[PATCH 0/3] Enable x86 mediated vPMU

/all/20250124132048.3229049-8-xiaoyao...@intel.com/ [3] https://lore.kernel.org/all/20250302220112.17653-5-dongli.zh...@oracle.com/ Dapeng Mi (2): target/i386: Call KVM_CAP_PMU_CAPABILITY iotcl to enable/disable PMU target/i386: Support VMX_VM_EXIT_SAVE_IA32_PERF_GLOBAL_CTRL Xiaoyao Li (1):

[PATCH 1/3] kvm: Introduce kvm_arch_pre_create_vcpu()

From: Xiaoyao Li Introduce kvm_arch_pre_create_vcpu(), to perform arch-dependent work prior to create any vcpu. This is for i386 TDX because it needs call TDX_INIT_VM before creating any vcpu. The specific implemnet of i386 will be added in the future patch. Signed-off-by: Xiaoyao Li Acked-by:

[PATCH 2/3] target/i386: Call KVM_CAP_PMU_CAPABILITY iotcl to enable/disable PMU

After introducing mediated vPMU, mediated vPMU must be enabled by explicitly calling KVM_CAP_PMU_CAPABILITY to enable. Thus call KVM_CAP_PMU_CAPABILITY to enable/disable PMU base on user configuration. Suggested-by: Zhao Liu Signed-off-by: Dapeng Mi --- target/i386/kvm/kvm.c | 17

[PATCH 3/3] target/i386: Support VMX_VM_EXIT_SAVE_IA32_PERF_GLOBAL_CTRL

Since Sapphire Rapids starts, VMX instrocude a new bit SAVE_IA32_PERF_GLOBAL_CTRL in VMCS VM-EXIT control field to manage if vmx can save guest PERF_GLOBAL_CTRL MSR. This patch enables this feature. Signed-off-by: Dapeng Mi --- target/i386/cpu.c | 12 target/i386/cpu.h | 1 + 2