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authorSean Christopherson <sean.j.christopherson@intel.com>2019-02-05 13:01:29 -0800
committerPaolo Bonzini <pbonzini@redhat.com>2019-02-20 22:48:44 +0100
commit42560fb1f3c6c7f730897b7fa7a478bc37e0be50 (patch)
treeec1e97a2ae3320549579a56ccb313032f376fee8 /arch/x86/kvm
parent43d2b14b105fb00b8864c7b0ee7043cc1cc4a969 (diff)
downloadlinux-42560fb1f3c6c7f730897b7fa7a478bc37e0be50.tar.bz2
Revert "KVM: MMU: add tracepoint for kvm_mmu_invalidate_all_pages"
...as part of removing x86 KVM's fast invalidate mechanism, i.e. this is one part of a revert all patches from the series that introduced the mechanism[1]. This reverts commit 35006126f024f68727c67001b9cb703c38f69268. [1] https://lkml.kernel.org/r/1369960590-14138-1-git-send-email-xiaoguangrong@linux.vnet.ibm.com Cc: Xiao Guangrong <guangrong.xiao@gmail.com> Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/mmu.c1
-rw-r--r--arch/x86/kvm/mmutrace.h21
2 files changed, 0 insertions, 22 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index cb9fd69d2632..df4025e6f1e1 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -5916,7 +5916,6 @@ restart:
void kvm_mmu_invalidate_zap_all_pages(struct kvm *kvm)
{
spin_lock(&kvm->mmu_lock);
- trace_kvm_mmu_invalidate_zap_all_pages(kvm);
kvm->arch.mmu_valid_gen++;
kvm_zap_obsolete_pages(kvm);
diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index c73bf4e4988c..cac88910b310 100644
--- a/arch/x86/kvm/mmutrace.h
+++ b/arch/x86/kvm/mmutrace.h
@@ -283,27 +283,6 @@ TRACE_EVENT(
);
TRACE_EVENT(
- kvm_mmu_invalidate_zap_all_pages,
- TP_PROTO(struct kvm *kvm),
- TP_ARGS(kvm),
-
- TP_STRUCT__entry(
- __field(unsigned long, mmu_valid_gen)
- __field(unsigned int, mmu_used_pages)
- ),
-
- TP_fast_assign(
- __entry->mmu_valid_gen = kvm->arch.mmu_valid_gen;
- __entry->mmu_used_pages = kvm->arch.n_used_mmu_pages;
- ),
-
- TP_printk("kvm-mmu-valid-gen %lx used_pages %x",
- __entry->mmu_valid_gen, __entry->mmu_used_pages
- )
-);
-
-
-TRACE_EVENT(
check_mmio_spte,
TP_PROTO(u64 spte, unsigned int kvm_gen, unsigned int spte_gen),
TP_ARGS(spte, kvm_gen, spte_gen),