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Commit 736fdf72 authored by David Hildenbrand's avatar David Hildenbrand Committed by Paolo Bonzini
Browse files

KVM: VMX: rename RDSEED and RDRAND vmx ctrls to reflect exiting 



Let's just name these according to the SDM. This should make it clearer
that the are used to enable exiting and not the feature itself.

Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
parent 1af1ac91

arch/x86/include/asm/vmx.h

+2 −2
Original line number Diff line number Diff line
@@ -70,11 +70,11 @@ 
#define SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100

#define SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200

#define SECONDARY_EXEC_PAUSE_LOOP_EXITING	0x00000400

#define SECONDARY_EXEC_RDRAND			0x00000800

#define SECONDARY_EXEC_RDRAND_EXITING		0x00000800

#define SECONDARY_EXEC_ENABLE_INVPCID		0x00001000

#define SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000

#define SECONDARY_EXEC_SHADOW_VMCS              0x00004000

#define SECONDARY_EXEC_RDSEED			0x00010000

#define SECONDARY_EXEC_RDSEED_EXITING		0x00010000

#define SECONDARY_EXEC_ENABLE_PML               0x00020000

#define SECONDARY_EXEC_XSAVES			0x00100000

#define SECONDARY_EXEC_TSC_SCALING              0x02000000

arch/x86/kvm/vmx.c

+12 −12
Original line number Diff line number Diff line
@@ -3650,8 +3650,8 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf) 
			SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY |

			SECONDARY_EXEC_SHADOW_VMCS |

			SECONDARY_EXEC_XSAVES |

			SECONDARY_EXEC_RDSEED |

			SECONDARY_EXEC_RDRAND |

			SECONDARY_EXEC_RDSEED_EXITING |

			SECONDARY_EXEC_RDRAND_EXITING |

			SECONDARY_EXEC_ENABLE_PML |

			SECONDARY_EXEC_TSC_SCALING |

			SECONDARY_EXEC_ENABLE_VMFUNC;
@@ -5261,13 +5261,13 @@ static u32 vmx_exec_control(struct vcpu_vmx *vmx) 
static bool vmx_rdrand_supported(void)

{

	return vmcs_config.cpu_based_2nd_exec_ctrl &

		SECONDARY_EXEC_RDRAND;

		SECONDARY_EXEC_RDRAND_EXITING;

}



static bool vmx_rdseed_supported(void)

{

	return vmcs_config.cpu_based_2nd_exec_ctrl &

		SECONDARY_EXEC_RDSEED;

		SECONDARY_EXEC_RDSEED_EXITING;

}



static void vmx_compute_secondary_exec_control(struct vcpu_vmx *vmx)
@@ -5361,30 +5361,30 @@ static void vmx_compute_secondary_exec_control(struct vcpu_vmx *vmx) 
	if (vmx_rdrand_supported()) {

		bool rdrand_enabled = guest_cpuid_has(vcpu, X86_FEATURE_RDRAND);

		if (rdrand_enabled)

			exec_control &= ~SECONDARY_EXEC_RDRAND;

			exec_control &= ~SECONDARY_EXEC_RDRAND_EXITING;



		if (nested) {

			if (rdrand_enabled)

				vmx->nested.nested_vmx_secondary_ctls_high |=

					SECONDARY_EXEC_RDRAND;

					SECONDARY_EXEC_RDRAND_EXITING;

			else

				vmx->nested.nested_vmx_secondary_ctls_high &=

					~SECONDARY_EXEC_RDRAND;

					~SECONDARY_EXEC_RDRAND_EXITING;

		}

	}



	if (vmx_rdseed_supported()) {

		bool rdseed_enabled = guest_cpuid_has(vcpu, X86_FEATURE_RDSEED);

		if (rdseed_enabled)

			exec_control &= ~SECONDARY_EXEC_RDSEED;

			exec_control &= ~SECONDARY_EXEC_RDSEED_EXITING;



		if (nested) {

			if (rdseed_enabled)

				vmx->nested.nested_vmx_secondary_ctls_high |=

					SECONDARY_EXEC_RDSEED;

					SECONDARY_EXEC_RDSEED_EXITING;

			else

				vmx->nested.nested_vmx_secondary_ctls_high &=

					~SECONDARY_EXEC_RDSEED;

					~SECONDARY_EXEC_RDSEED_EXITING;

		}

	}
@@ -8401,9 +8401,9 @@ static bool nested_vmx_exit_reflected(struct kvm_vcpu *vcpu, u32 exit_reason) 
	case EXIT_REASON_RDPMC:

		return nested_cpu_has(vmcs12, CPU_BASED_RDPMC_EXITING);

	case EXIT_REASON_RDRAND:

		return nested_cpu_has2(vmcs12, SECONDARY_EXEC_RDRAND);

		return nested_cpu_has2(vmcs12, SECONDARY_EXEC_RDRAND_EXITING);

	case EXIT_REASON_RDSEED:

		return nested_cpu_has2(vmcs12, SECONDARY_EXEC_RDSEED);

		return nested_cpu_has2(vmcs12, SECONDARY_EXEC_RDSEED_EXITING);

	case EXIT_REASON_RDTSC: case EXIT_REASON_RDTSCP:

		return nested_cpu_has(vmcs12, CPU_BASED_RDTSC_EXITING);

	case EXIT_REASON_VMCALL: case EXIT_REASON_VMCLEAR: