redonkable/remarkable-linux
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KVM: MMU: move unsync/sync tracpoints to proper place

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Move unsync/sync tracepoints to the proper place, it's good
for us to obtain unsync page live time

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Xiao Guangrong 2010-04-28 11:55:06 +08:00 committed by Avi Kivity
parent 85f2067c31
commit 5e1b3ddbf2
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kvm/mmu.c
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@ -1189,6 +1189,7 @@ static struct kvm_mmu_page *kvm_mmu_lookup_page(struct kvm *kvm, gfn_t gfn)
static void kvm_unlink_unsync_page(struct kvm *kvm, struct kvm_mmu_page *sp) static void kvm_unlink_unsync_page(struct kvm *kvm, struct kvm_mmu_page *sp)
{ {
WARN_ON(!sp->unsync); WARN_ON(!sp->unsync);
trace_kvm_mmu_sync_page(sp);
sp->unsync = 0; sp->unsync = 0;
--kvm->stat.mmu_unsync; --kvm->stat.mmu_unsync;
} }
@ -1202,7 +1203,6 @@ static int kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
return 1; return 1;
} }
trace_kvm_mmu_sync_page(sp);
if (rmap_write_protect(vcpu->kvm, sp->gfn)) if (rmap_write_protect(vcpu->kvm, sp->gfn))
kvm_flush_remote_tlbs(vcpu->kvm); kvm_flush_remote_tlbs(vcpu->kvm);
kvm_unlink_unsync_page(vcpu->kvm, sp); kvm_unlink_unsync_page(vcpu->kvm, sp);
@ -1730,7 +1730,6 @@ static int kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
struct kvm_mmu_page *s; struct kvm_mmu_page *s;
struct hlist_node *node, *n; struct hlist_node *node, *n;
trace_kvm_mmu_unsync_page(sp);
index = kvm_page_table_hashfn(sp->gfn); index = kvm_page_table_hashfn(sp->gfn);
bucket = &vcpu->kvm->arch.mmu_page_hash[index]; bucket = &vcpu->kvm->arch.mmu_page_hash[index];
/* don't unsync if pagetable is shadowed with multiple roles */ /* don't unsync if pagetable is shadowed with multiple roles */
@ -1740,6 +1739,7 @@ static int kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
if (s->role.word != sp->role.word) if (s->role.word != sp->role.word)
return 1; return 1;
} }
trace_kvm_mmu_unsync_page(sp);
++vcpu->kvm->stat.mmu_unsync; ++vcpu->kvm->stat.mmu_unsync;
sp->unsync = 1; sp->unsync = 1;