From: Sean Christopherson Date: Tue, 5 Feb 2019 21:01:25 +0000 (-0800) Subject: KVM: x86/mmu: Remove is_obsolete() call X-Git-Tag: v5.4-rc1~1380^2~26 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5ff0568374ed2e585376a3832857ade5daccd381;p=platform%2Fkernel%2Flinux-rpi.git KVM: x86/mmu: Remove is_obsolete() call Unwinding usage of is_obsolete() is a step towards removing x86's fast invalidate mechanism, i.e. this is one part of a revert all patches from the series that introduced the mechanism[1]. This is a partial revert of commit 05988d728dcd ("KVM: MMU: reduce KVM_REQ_MMU_RELOAD when root page is zapped"). [1] https://lkml.kernel.org/r/1369960590-14138-1-git-send-email-xiaoguangrong@linux.vnet.ibm.com Cc: Xiao Guangrong Signed-off-by: Sean Christopherson Signed-off-by: Paolo Bonzini --- diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 2190679..6cbffc7 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2713,11 +2713,7 @@ static int kvm_mmu_prepare_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp, } else { list_move(&sp->link, &kvm->arch.active_mmu_pages); - /* - * The obsolete pages can not be used on any vcpus. - * See the comments in kvm_mmu_invalidate_zap_all_pages(). - */ - if (!sp->role.invalid && !is_obsolete_sp(kvm, sp)) + if (!sp->role.invalid) kvm_reload_remote_mmus(kvm); }