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KVM: MMU: change tracepoints arguments to kvm_page_fault
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Pass struct kvm_page_fault to tracepoints instead of
extracting the arguments from the struct.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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bonzini committed Aug 11, 2021
1 parent 8424625 commit a3e0b8b
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Showing 4 changed files with 13 additions and 13 deletions.
4 changes: 2 additions & 2 deletions arch/x86/kvm/mmu/mmu.c
Original file line number Diff line number Diff line change
Expand Up @@ -2966,7 +2966,7 @@ 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
Expand Down Expand Up @@ -3258,7 +3258,7 @@ 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;
Expand Down
18 changes: 9 additions & 9 deletions arch/x86/kvm/mmu/mmutrace.h
Original file line number Diff line number Diff line change
Expand Up @@ -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)
Expand All @@ -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;
Expand Down Expand Up @@ -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)
Expand All @@ -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",
Expand Down
2 changes: 1 addition & 1 deletion arch/x86/kvm/mmu/paging_tmpl.h
Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down
2 changes: 1 addition & 1 deletion arch/x86/kvm/mmu/tdp_mmu.c
Original file line number Diff line number Diff line change
Expand Up @@ -983,7 +983,7 @@ 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();

Expand Down

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