[PATCH RESEND v2 02/17] KVM: X86: Change parameter for fast_page_fault tracepoint

Peter Xu
2019-12-21T01:49:58Z

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(-)

diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index 7ca8831c7d1a..09bdc5c91650 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, gva_t gva, u32 error_code,
@@ -274,12 +271,10 @@ TRACE_EVENT(
),

TP_printk("vcpu %d gva %lx error_code %s sptep %p old %#llx"
- " new %llx spurious %d fixed %d", __entry->vcpu_id,
+ " new %llx ret %d", __entry->vcpu_id,
__entry->gva, __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(
--
2.24.1