[RFC PATCH 07/10] KVM: x86/mmu: make fast_page_fault() receive single argument

From: Isaku Yamahata
Date: Tue Apr 20 2021 - 06:42:36 EST


Convert fast_page_fault() to receive single argument, struct kvm_page_fault
instead of many arguments.

No functional change is intended.

Signed-off-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
---
arch/x86/kvm/mmu/mmu.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index a16e1b228ac2..ce48416380c3 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -3043,9 +3043,11 @@ static bool is_access_allowed(u32 fault_err_code, u64 spte)
/*
* Returns one of RET_PF_INVALID, RET_PF_FIXED or RET_PF_SPURIOUS.
*/
-static int fast_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
- u32 error_code)
+static int fast_page_fault(struct kvm_page_fault *kpf)
{
+ struct kvm_vcpu *vcpu = kpf->vcpu;
+ gpa_t cr2_or_gpa = kpf->cr2_or_gpa;
+ u32 error_code = kpf->error_code;
struct kvm_shadow_walk_iterator iterator;
struct kvm_mmu_page *sp;
int ret = RET_PF_INVALID;
@@ -3704,7 +3706,7 @@ static int direct_page_fault(struct kvm_page_fault *kpf)
return RET_PF_EMULATE;

if (!is_tdp_mmu_root(vcpu->kvm, vcpu->arch.mmu->root_hpa)) {
- r = fast_page_fault(vcpu, gpa, error_code);
+ r = fast_page_fault(kpf);
if (r != RET_PF_INVALID)
return r;
}
--
2.25.1