Commit 615a4ae1 authored Mar 02, 2020 by Sean Christopherson Committed by Paolo Bonzini Mar 16, 2020

KVM: x86: Make kvm_mpx_supported() an inline function



Expose kvm_mpx_supported() as a static inline so that it can be inlined
in kvm_intel.ko.

No functional change intended.

Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

parent 7f5581f5

arch/x86/kvm/cpuid.c

+0 −7

Original line number	Diff line number	Diff line
		@@ -45,13 +45,6 @@ static u32 xstate_required_size(u64 xstate_bv, bool compacted)
		return ret;
		}

		bool kvm_mpx_supported(void)
		{
		return (supported_xcr0 & (XFEATURE_MASK_BNDREGS \| XFEATURE_MASK_BNDCSR))
		== (XFEATURE_MASK_BNDREGS \| XFEATURE_MASK_BNDCSR);
		}
		EXPORT_SYMBOL_GPL(kvm_mpx_supported);

		#define F feature_bit

		int kvm_update_cpuid(struct kvm_vcpu *vcpu)

arch/x86/kvm/cpuid.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -7,7 +7,6 @@
		#include <asm/processor.h>

		int kvm_update_cpuid(struct kvm_vcpu *vcpu);
		bool kvm_mpx_supported(void);
		struct kvm_cpuid_entry2 kvm_find_cpuid_entry(struct kvm_vcpu vcpu,
		u32 function, u32 index);
		int kvm_dev_ioctl_get_cpuid(struct kvm_cpuid2 *cpuid,

arch/x86/kvm/x86.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -273,6 +273,12 @@ enum exit_fastpath_completion handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vc
		extern u64 host_xcr0;
		extern u64 supported_xcr0;

		static inline bool kvm_mpx_supported(void)
		{
		return (supported_xcr0 & (XFEATURE_MASK_BNDREGS \| XFEATURE_MASK_BNDCSR))
		== (XFEATURE_MASK_BNDREGS \| XFEATURE_MASK_BNDCSR);
		}

		extern unsigned int min_timer_period_us;

		extern bool enable_vmware_backdoor;