Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753083AbbD3O5w (ORCPT ); Thu, 30 Apr 2015 10:57:52 -0400 Received: from mga11.intel.com ([192.55.52.93]:22116 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750768AbbD3OuI (ORCPT ); Thu, 30 Apr 2015 10:50:08 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,677,1422950400"; d="scan'208";a="718483036" From: guangrong.xiao@linux.intel.com To: pbonzini@redhat.com Cc: gleb@kernel.org, mtosatti@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Xiao Guangrong Subject: [PATCH 6/9] KVM: MMU: introduce kvm_zap_rmapp Date: Thu, 30 Apr 2015 18:24:37 +0800 Message-Id: <1430389490-24602-7-git-send-email-guangrong.xiao@linux.intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1430389490-24602-1-git-send-email-guangrong.xiao@linux.intel.com> References: <1430389490-24602-1-git-send-email-guangrong.xiao@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1749 Lines: 60 From: Xiao Guangrong Split kvm_unmap_rmapp and introduce kvm_zap_rmapp which will be used in the later patch Signed-off-by: Xiao Guangrong --- arch/x86/kvm/mmu.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index fea1e83..5d90a22 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1353,25 +1353,29 @@ static bool rmap_write_protect(struct kvm *kvm, u64 gfn) return write_protected; } -static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp, - struct kvm_memory_slot *slot, gfn_t gfn, int level, - unsigned long data) +static bool kvm_zap_rmapp(struct kvm *kvm, unsigned long *rmapp) { u64 *sptep; struct rmap_iterator iter; - int need_tlb_flush = 0; + bool flush = false; restart: for_each_rmap_spte(rmapp, &iter, sptep) { - rmap_printk("kvm_rmap_unmap_hva: spte %p %llx gfn %llx (%d)\n", - sptep, *sptep, gfn, level); + rmap_printk("%s: spte %p %llx.\n", __func__, sptep, *sptep); drop_spte(kvm, sptep); - need_tlb_flush = 1; + flush = true; goto restart; } - return need_tlb_flush; + return flush; +} + +static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp, + struct kvm_memory_slot *slot, gfn_t gfn, int level, + unsigned long data) +{ + return kvm_zap_rmapp(kvm, rmapp); } static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp, -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/