[PATCH 2/3] KVM: x86/mmu: Drop pointless "return" wrapper label in FNAME(fetch)

From: Sean Christopherson
Date: Fri Aug 02 2024 - 16:39:37 EST


Drop the pointless and poorly named "out_gpte_changed" label, in
FNAME(fetch), and instead return RET_PF_RETRY directly.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
arch/x86/kvm/mmu/paging_tmpl.h | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h
index 0e97e080a997..480c54122991 100644
--- a/arch/x86/kvm/mmu/paging_tmpl.h
+++ b/arch/x86/kvm/mmu/paging_tmpl.h
@@ -646,10 +646,10 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault,
* really care if it changes underneath us after this point).
*/
if (FNAME(gpte_changed)(vcpu, gw, top_level))
- goto out_gpte_changed;
+ return RET_PF_RETRY;

if (WARN_ON_ONCE(!VALID_PAGE(vcpu->arch.mmu->root.hpa)))
- goto out_gpte_changed;
+ return RET_PF_RETRY;

/*
* Load a new root and retry the faulting instruction in the extremely
@@ -659,7 +659,7 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault,
*/
if (unlikely(kvm_mmu_is_dummy_root(vcpu->arch.mmu->root.hpa))) {
kvm_make_request(KVM_REQ_MMU_FREE_OBSOLETE_ROOTS, vcpu);
- goto out_gpte_changed;
+ return RET_PF_RETRY;
}

for_each_shadow_entry(vcpu, fault->addr, it) {
@@ -699,7 +699,7 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault,
* protected is still there.
*/
if (FNAME(gpte_changed)(vcpu, gw, it.level - 1))
- goto out_gpte_changed;
+ return RET_PF_RETRY;

if (sp != ERR_PTR(-EEXIST))
link_shadow_page(vcpu, it.sptep, sp);
@@ -753,9 +753,6 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault,

FNAME(pte_prefetch)(vcpu, gw, it.sptep);
return ret;
-
-out_gpte_changed:
- return RET_PF_RETRY;
}

/*
--
2.46.0.rc2.264.g509ed76dc8-goog