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| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2010-08-30 18:22:53 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:51:56 +0200 |
| commit | 8b1fe17cc7a8b2c62b400dcbfaebd96da6b4f58e (patch) | |
| tree | d453a7a24163e58fee9830b42c101fd717a0f67c /arch/x86/kvm/paging_tmpl.h | |
| parent | 84e0cefa8ddd5d5018d3b582e1e90585ed551757 (diff) | |
| download | linux-8b1fe17cc7a8b2c62b400dcbfaebd96da6b4f58e.tar.bz2 | |
KVM: MMU: support disable/enable mmu audit dynamicly
Add a r/w module parameter named 'mmu_audit', it can control audit
enable/disable:
enable:
echo 1 > /sys/module/kvm/parameters/mmu_audit
disable:
echo 0 > /sys/module/kvm/parameters/mmu_audit
This patch not change the logic
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/paging_tmpl.h')
| -rw-r--r-- | arch/x86/kvm/paging_tmpl.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index a0f2febf5692..debe77035366 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -542,7 +542,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, if (mmu_notifier_retry(vcpu, mmu_seq)) goto out_unlock; - kvm_mmu_audit(vcpu, "pre page fault"); + trace_kvm_mmu_audit(vcpu, AUDIT_PRE_PAGE_FAULT); kvm_mmu_free_some_pages(vcpu); sptep = FNAME(fetch)(vcpu, addr, &walker, user_fault, write_fault, level, &write_pt, pfn); @@ -554,7 +554,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, vcpu->arch.last_pt_write_count = 0; /* reset fork detector */ ++vcpu->stat.pf_fixed; - kvm_mmu_audit(vcpu, "post page fault (fixed)"); + trace_kvm_mmu_audit(vcpu, AUDIT_POST_PAGE_FAULT); spin_unlock(&vcpu->kvm->mmu_lock); return write_pt; |