Commit 82c1ead0 authored by Vitaly Kuznetsov's avatar Vitaly Kuznetsov Committed by Paolo Bonzini
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KVM: x86: hyper-v: Drop redundant 'ex' parameter from kvm_hv_flush_tlb() 



'struct kvm_hv_hcall' has all the required information already,
there's no need to pass 'ex' additionally.

No functional change intended.

Cc: stable@vger.kernel.org # 5.14.x
Signed-off-by: default avatarVitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20220222154642.684285-3-vkuznets@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 50e523dd

arch/x86/kvm/hyperv.c

+6 −17
Original line number Diff line number Diff line
@@ -1749,7 +1749,7 @@ struct kvm_hv_hcall { 
	sse128_t xmm[HV_HYPERCALL_MAX_XMM_REGISTERS];

};



static u64 kvm_hv_flush_tlb(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *hc, bool ex)

static u64 kvm_hv_flush_tlb(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *hc)

{

	int i;

	gpa_t gpa;
@@ -1764,7 +1764,8 @@ static u64 kvm_hv_flush_tlb(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *hc, bool 
	int sparse_banks_len;

	bool all_cpus;



	if (!ex) {

	if (hc->code == HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST ||

	    hc->code == HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE) {

		if (hc->fast) {

			flush.address_space = hc->ingpa;

			flush.flags = hc->outgpa;
@@ -2246,32 +2247,20 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu) 
				kvm_hv_hypercall_complete_userspace;

		return 0;

	case HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST:

		if (unlikely(!hc.rep_cnt || hc.rep_idx)) {

			ret = HV_STATUS_INVALID_HYPERCALL_INPUT;

			break;

		}

		ret = kvm_hv_flush_tlb(vcpu, &hc, false);

		break;

	case HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE:

		if (unlikely(hc.rep)) {

			ret = HV_STATUS_INVALID_HYPERCALL_INPUT;

			break;

		}

		ret = kvm_hv_flush_tlb(vcpu, &hc, false);

		break;

	case HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX:

		if (unlikely(!hc.rep_cnt || hc.rep_idx)) {

			ret = HV_STATUS_INVALID_HYPERCALL_INPUT;

			break;

		}

		ret = kvm_hv_flush_tlb(vcpu, &hc, true);

		ret = kvm_hv_flush_tlb(vcpu, &hc);

		break;

	case HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE:

	case HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX:

		if (unlikely(hc.rep)) {

			ret = HV_STATUS_INVALID_HYPERCALL_INPUT;

			break;

		}

		ret = kvm_hv_flush_tlb(vcpu, &hc, true);

		ret = kvm_hv_flush_tlb(vcpu, &hc);

		break;

	case HVCALL_SEND_IPI:

		if (unlikely(hc.rep)) {