From f2fd125d32822ee32779551a70d256a7c27dbe40 Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Fri, 7 Jun 2013 16:51:24 +0800 Subject: KVM: MMU: store generation-number into mmio spte Store the generation-number into bit3 ~ bit11 and bit52 ~ bit61, totally 19 bits can be used, it should be enough for nearly all most common cases In this patch, the generation-number is always 0, it will be changed in the later patch [Gleb: masking generation bits from spte in get_mmio_spte_gfn() and get_mmio_spte_access()] Signed-off-by: Xiao Guangrong Reviewed-by: Gleb Natapov Reviewed-by: Marcelo Tosatti Signed-off-by: Paolo Bonzini --- arch/x86/kvm/mmutrace.h | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'arch/x86/kvm/mmutrace.h') diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h index eb444dd374af..ad24757041ad 100644 --- a/arch/x86/kvm/mmutrace.h +++ b/arch/x86/kvm/mmutrace.h @@ -199,23 +199,25 @@ DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_prepare_zap_page, TRACE_EVENT( mark_mmio_spte, - TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access), - TP_ARGS(sptep, gfn, access), + TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen), + TP_ARGS(sptep, gfn, access, gen), TP_STRUCT__entry( __field(void *, sptep) __field(gfn_t, gfn) __field(unsigned, access) + __field(unsigned int, gen) ), TP_fast_assign( __entry->sptep = sptep; __entry->gfn = gfn; __entry->access = access; + __entry->gen = gen; ), - TP_printk("sptep:%p gfn %llx access %x", __entry->sptep, __entry->gfn, - __entry->access) + TP_printk("sptep:%p gfn %llx access %x gen %x", __entry->sptep, + __entry->gfn, __entry->access, __entry->gen) ); TRACE_EVENT( -- cgit v1.2.3