KVM: x86: add tracepoints around __direct_map and FNAME(fetch)
commit 335e192a3fa415e1202c8b9ecdaaecd643f823cc upstream. These are useful in debugging shadow paging. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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