Revert "KVM: MMU: add tracepoint for kvm_mmu_invalidate_all_pages" (42560fb1) · Commits · 戴 / test

...as part of removing x86 KVM's fast invalidate mechanism, i.e. this is one part of a revert all patches from the series that introduced the mechanism[1]. This reverts commit . [1] https://lkml.kernel.org/r/1369960590-14138-1-git-send-email-xiaoguangrong@linux.vnet.ibm.com Cc: Xiao Guangrong <guangrong.xiao@gmail.com> Signed-off-by:

arch/x86/kvm/mmu.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -5916,7 +5916,6 @@ restart:
		void kvm_mmu_invalidate_zap_all_pages(struct kvm *kvm)
		{
		spin_lock(&kvm->mmu_lock);
		trace_kvm_mmu_invalidate_zap_all_pages(kvm);
		kvm->arch.mmu_valid_gen++;

		kvm_zap_obsolete_pages(kvm);

+0 −21

Original line number	Diff line number	Diff line
		@@ -282,27 +282,6 @@ TRACE_EVENT(
		)
		);

		TRACE_EVENT(
		kvm_mmu_invalidate_zap_all_pages,
		TP_PROTO(struct kvm *kvm),
		TP_ARGS(kvm),

		TP_STRUCT__entry(
		__field(unsigned long, mmu_valid_gen)
		__field(unsigned int, mmu_used_pages)
		),

		TP_fast_assign(
		__entry->mmu_valid_gen = kvm->arch.mmu_valid_gen;
		__entry->mmu_used_pages = kvm->arch.n_used_mmu_pages;
		),

		TP_printk("kvm-mmu-valid-gen %lx used_pages %x",
		__entry->mmu_valid_gen, __entry->mmu_used_pages
		)
		);


		TRACE_EVENT(
		check_mmio_spte,
		TP_PROTO(u64 spte, unsigned int kvm_gen, unsigned int spte_gen),