[PATCH 16/16] KVM: MMU: change tracepoints arguments to kvm_page_fault
From: Paolo Bonzini
Date: Sat Aug 07 2021 - 09:50:33 EST
Pass struct kvm_page_fault to tracepoints instead of
extracting the arguments from the struct.
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
arch/x86/kvm/mmu/mmu.c | 4 ++--
arch/x86/kvm/mmu/mmutrace.h | 18 +++++++++---------
arch/x86/kvm/mmu/paging_tmpl.h | 2 +-
arch/x86/kvm/mmu/tdp_mmu.c | 2 +-
4 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index a41325f452f4..0c0061893ebe 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -2950,7 +2950,7 @@ static int __direct_map(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault)
kvm_mmu_hugepage_adjust(vcpu, fault);
- trace_kvm_mmu_spte_requested(fault->addr, fault->goal_level, fault->pfn);
+ trace_kvm_mmu_spte_requested(fault);
for_each_shadow_entry(vcpu, fault->addr, it) {
/*
* We cannot overwrite existing page tables with an NX
@@ -3242,7 +3242,7 @@ static int fast_page_fault(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault)
} while (true);
- trace_fast_page_fault(vcpu, fault->addr, fault->error_code, sptep, spte, ret);
+ trace_fast_page_fault(vcpu, fault, sptep, spte, ret);
walk_shadow_page_lockless_end(vcpu);
return ret;
diff --git a/arch/x86/kvm/mmu/mmutrace.h b/arch/x86/kvm/mmu/mmutrace.h
index 2924a4081a19..0c37fb9d532e 100644
--- a/arch/x86/kvm/mmu/mmutrace.h
+++ b/arch/x86/kvm/mmu/mmutrace.h
@@ -252,9 +252,9 @@ TRACE_EVENT(
TRACE_EVENT(
fast_page_fault,
- TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code,
+ TP_PROTO(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault,
u64 *sptep, u64 old_spte, int ret),
- TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, ret),
+ TP_ARGS(vcpu, fault, sptep, old_spte, ret),
TP_STRUCT__entry(
__field(int, vcpu_id)
@@ -268,8 +268,8 @@ TRACE_EVENT(
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
- __entry->cr2_or_gpa = cr2_or_gpa;
- __entry->error_code = error_code;
+ __entry->cr2_or_gpa = fault->addr;
+ __entry->error_code = fault->error_code;
__entry->sptep = sptep;
__entry->old_spte = old_spte;
__entry->new_spte = *sptep;
@@ -367,8 +367,8 @@ TRACE_EVENT(
TRACE_EVENT(
kvm_mmu_spte_requested,
- TP_PROTO(gpa_t addr, int level, kvm_pfn_t pfn),
- TP_ARGS(addr, level, pfn),
+ TP_PROTO(struct kvm_page_fault *fault),
+ TP_ARGS(fault),
TP_STRUCT__entry(
__field(u64, gfn)
@@ -377,9 +377,9 @@ TRACE_EVENT(
),
TP_fast_assign(
- __entry->gfn = addr >> PAGE_SHIFT;
- __entry->pfn = pfn | (__entry->gfn & (KVM_PAGES_PER_HPAGE(level) - 1));
- __entry->level = level;
+ __entry->gfn = fault->addr >> PAGE_SHIFT;
+ __entry->pfn = fault->pfn | (__entry->gfn & (KVM_PAGES_PER_HPAGE(fault->goal_level) - 1));
+ __entry->level = fault->goal_level;
),
TP_printk("gfn %llx pfn %llx level %d",
diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h
index 3f82f469abdf..1c182ef61c79 100644
--- a/arch/x86/kvm/mmu/paging_tmpl.h
+++ b/arch/x86/kvm/mmu/paging_tmpl.h
@@ -719,7 +719,7 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault,
kvm_mmu_hugepage_adjust(vcpu, fault);
- trace_kvm_mmu_spte_requested(fault->addr, gw->level, fault->pfn);
+ trace_kvm_mmu_spte_requested(fault);
for (; shadow_walk_okay(&it); shadow_walk_next(&it)) {
clear_sp_write_flooding_count(it.sptep);
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index 803da0334933..7f7de01cf665 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -1004,7 +1004,7 @@ int kvm_tdp_mmu_map(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault)
kvm_mmu_hugepage_adjust(vcpu, fault);
- trace_kvm_mmu_spte_requested(fault->addr, fault->goal_level, fault->pfn);
+ trace_kvm_mmu_spte_requested(fault);
rcu_read_lock();
--
2.27.0