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Commit 03916db9 authored by Paolo Bonzini's avatar Paolo Bonzini
Browse files

Replace NR_VMX_MSR with its definition 



Using ARRAY_SIZE directly makes it easier to read the code.  While touching
the code, replace the division by a multiplication in the recently added
BUILD_BUG_ON.

Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 0123be42

arch/x86/kvm/vmx.c

+4 −4
Original line number Diff line number Diff line
@@ -823,7 +823,6 @@ static const u32 vmx_msr_index[] = { 
#endif

	MSR_EFER, MSR_TSC_AUX, MSR_STAR,

};

#define NR_VMX_MSR ARRAY_SIZE(vmx_msr_index)



static inline bool is_page_fault(u32 intr_info)

{
@@ -4441,7 +4440,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx) 
		vmx->vcpu.arch.pat = host_pat;

	}



	for (i = 0; i < NR_VMX_MSR; ++i) {

	for (i = 0; i < ARRAY_SIZE(vmx_msr_index); ++i) {

		u32 index = vmx_msr_index[i];

		u32 data_low, data_high;

		int j = vmx->nmsrs;
@@ -7608,7 +7607,8 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id) 
		goto free_vcpu;



	vmx->guest_msrs = kmalloc(PAGE_SIZE, GFP_KERNEL);

	BUILD_BUG_ON(PAGE_SIZE / sizeof(struct shared_msr_entry) < NR_VMX_MSR);

	BUILD_BUG_ON(ARRAY_SIZE(vmx_msr_index) * sizeof(vmx->guest_msrs[0])

		     > PAGE_SIZE);



	err = -ENOMEM;

	if (!vmx->guest_msrs) {
@@ -8960,7 +8960,7 @@ static int __init vmx_init(void) 


	rdmsrl_safe(MSR_EFER, &host_efer);



	for (i = 0; i < NR_VMX_MSR; ++i)

	for (i = 0; i < ARRAY_SIZE(vmx_msr_index); ++i)

		kvm_define_shared_msr(i, vmx_msr_index[i]);



	vmx_io_bitmap_a = (unsigned long *)__get_free_page(GFP_KERNEL);