[v7,01/14] KVM: X86: Change parameter for fast_page_fault tracepoint
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Message ID 20200318163720.93929-2-peterx@redhat.com
State New
Headers show
Series
  • KVM: Dirty ring interface
Related show

Commit Message

Peter Xu March 18, 2020, 4:37 p.m. UTC
It would be clearer to dump the return value to know easily on whether
did we go through the fast path for handling current page fault.
Remove the old two last parameters because after all the old/new sptes
were dumped in the same line.

Signed-off-by: Peter Xu <peterx@redhat.com>
---
 arch/x86/kvm/mmutrace.h | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

Patch
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diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index ffcd96fc02d0..ef523e760743 100644
--- a/arch/x86/kvm/mmutrace.h
+++ b/arch/x86/kvm/mmutrace.h
@@ -244,9 +244,6 @@  TRACE_EVENT(
 		  __entry->access)
 );
 
-#define __spte_satisfied(__spte)				\
-	(__entry->retry && is_writable_pte(__entry->__spte))
-
 TRACE_EVENT(
 	fast_page_fault,
 	TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code,
@@ -274,12 +271,10 @@  TRACE_EVENT(
 	),
 
 	TP_printk("vcpu %d gva %llx error_code %s sptep %p old %#llx"
-		  " new %llx spurious %d fixed %d", __entry->vcpu_id,
+		  " new %llx ret %d", __entry->vcpu_id,
 		  __entry->cr2_or_gpa, __print_flags(__entry->error_code, "|",
 		  kvm_mmu_trace_pferr_flags), __entry->sptep,
-		  __entry->old_spte, __entry->new_spte,
-		  __spte_satisfied(old_spte), __spte_satisfied(new_spte)
-	)
+		  __entry->old_spte, __entry->new_spte, __entry->retry)
 );
 
 TRACE_EVENT(