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| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-07-04 12:14:13 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-12 21:19:07 +0300 |
| commit | 95867919494dce594c3c57bbf31247157a881fb7 (patch) | |
| tree | abd234ac4c40d987a7b09ac1dd1e00ae0e553bf1 /arch/x86/kvm/paging_tmpl.h | |
| parent | 6e8121097b41f6e4ff7df1b8359f3085630ba749 (diff) | |
| download | linux-95867919494dce594c3c57bbf31247157a881fb7.tar.xz | |
KVM: x86: add tracepoints around __direct_map and FNAME(fetch)
commit 335e192a3fa415e1202c8b9ecdaaecd643f823cc upstream.
These are useful in debugging shadow paging.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kvm/paging_tmpl.h')
| -rw-r--r-- | arch/x86/kvm/paging_tmpl.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 7fa2e95149ee..b6b0fb60e0a7 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -649,6 +649,8 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, base_gfn = gw->gfn; + trace_kvm_mmu_spte_requested(addr, gw->level, pfn); + for (; shadow_walk_okay(&it); shadow_walk_next(&it)) { clear_sp_write_flooding_count(it.sptep); base_gfn = gw->gfn & ~(KVM_PAGES_PER_HPAGE(it.level) - 1); |