linux-kernel - [RFC PATCH 28/42] KVM: x86/mmu: change "vcpu" to "kvm" in page_fault_handle_page

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Message-Id: <20231202092920.15167-1-yan.y.zhao@intel.com>
Date:   Sat,  2 Dec 2023 17:29:20 +0800
From:   Yan Zhao <yan.y.zhao@...el.com>
To:     iommu@...ts.linux.dev, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     alex.williamson@...hat.com, jgg@...dia.com, pbonzini@...hat.com,
        seanjc@...gle.com, joro@...tes.org, will@...nel.org,
        robin.murphy@....com, kevin.tian@...el.com,
        baolu.lu@...ux.intel.com, dwmw2@...radead.org, yi.l.liu@...el.com,
        Yan Zhao <yan.y.zhao@...el.com>
Subject: [RFC PATCH 28/42] KVM: x86/mmu: change "vcpu" to "kvm" in page_fault_handle_page_track()

page_fault_handle_page_track() only uses param "vcpu" to refer to
"vcpu->kvm", change it to "kvm" directly.

No functional changes expected.

Signed-off-by: Yan Zhao <yan.y.zhao@...el.com>
---
 arch/x86/kvm/mmu/mmu.c         | 8 ++++----
 arch/x86/kvm/mmu/paging_tmpl.h | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index b461bab51255e..73437c1b1943e 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4186,7 +4186,7 @@ static int handle_mmio_page_fault(struct kvm_vcpu *vcpu, u64 addr, bool direct)
 	return RET_PF_RETRY;
 }
 
-static bool page_fault_handle_page_track(struct kvm_vcpu *vcpu,
+static bool page_fault_handle_page_track(struct kvm *kvm,
 					 struct kvm_page_fault *fault)
 {
 	if (unlikely(fault->rsvd))
@@ -4199,7 +4199,7 @@ static bool page_fault_handle_page_track(struct kvm_vcpu *vcpu,
 	 * guest is writing the page which is write tracked which can
 	 * not be fixed by page fault handler.
 	 */
-	if (kvm_gfn_is_write_tracked(vcpu->kvm, fault->slot, fault->gfn))
+	if (kvm_gfn_is_write_tracked(kvm, fault->slot, fault->gfn))
 		return true;
 
 	return false;
@@ -4378,7 +4378,7 @@ static int direct_page_fault(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault
 	if (WARN_ON_ONCE(kvm_mmu_is_dummy_root(vcpu->arch.mmu->common.root.hpa)))
 		return RET_PF_RETRY;
 
-	if (page_fault_handle_page_track(vcpu, fault))
+	if (page_fault_handle_page_track(vcpu->kvm, fault))
 		return RET_PF_EMULATE;
 
 	r = fast_page_fault(vcpu, fault);
@@ -4458,7 +4458,7 @@ static int kvm_tdp_mmu_page_fault(struct kvm_vcpu *vcpu,
 {
 	int r;
 
-	if (page_fault_handle_page_track(vcpu, fault))
+	if (page_fault_handle_page_track(vcpu->kvm, fault))
 		return RET_PF_EMULATE;
 
 	r = fast_page_fault(vcpu, fault);
diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h
index 13c6390824a3e..f685b036f6637 100644
--- a/arch/x86/kvm/mmu/paging_tmpl.h
+++ b/arch/x86/kvm/mmu/paging_tmpl.h
@@ -803,7 +803,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault
 	fault->max_level = walker.level;
 	fault->slot = kvm_vcpu_gfn_to_memslot(vcpu, fault->gfn);
 
-	if (page_fault_handle_page_track(vcpu, fault)) {
+	if (page_fault_handle_page_track(vcpu->kvm, fault)) {
 		shadow_page_table_clear_flood(vcpu, fault->addr);
 		return RET_PF_EMULATE;
 	}
-- 
2.17.1