[PATCH v2 22/66] KVM: x86: Make kvm_mpx_supported() an inline function

Sean Christopherson
2020-03-03T00:00:04Z

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>
---
arch/x86/kvm/cpuid.c | 6 ------
arch/x86/kvm/cpuid.h | 1 -
arch/x86/kvm/x86.h | 5 +++++
3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 54af2c19388b..1ff16300a468 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -45,12 +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);
-}
-EXPORT_SYMBOL_GPL(kvm_mpx_supported);
-
#define F feature_bit

int kvm_update_cpuid(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index 7366c618aa04..c1ac0995843d 100644
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -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,
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 02b49ee49e24..bfac4a80956c 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -283,6 +283,11 @@ 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);
+}
+
extern unsigned int min_timer_period_us;

extern bool enable_vmware_backdoor;
--
2.24.1