Patch-mainline: v5.18-rc1
Git-commit: 82c1ead0d678af31e5d883656c12096a0004178b
References: git-fixes
From: Vitaly Kuznetsov <vkuznets@redhat.com>
Date: Tue, 22 Feb 2022 16:46:40 +0100
Subject: [PATCH] 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: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20220222154642.684285-3-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
---
arch/x86/kvm/hyperv.c | 23 ++++++-----------------
1 file changed, 6 insertions(+), 17 deletions(-)
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index ea9abe45931c..c28a268ec937 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -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)) {
--
2.35.3