From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF509C3404D for ; Tue, 18 Feb 2020 21:08:19 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 71B6D2176D for ; Tue, 18 Feb 2020 21:08:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 71B6D2176D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 2C3AD4AF6A; Tue, 18 Feb 2020 16:08:19 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BAqg9WtCGDuF; Tue, 18 Feb 2020 16:08:18 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 413E24AFD1; Tue, 18 Feb 2020 16:07:58 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 1D4AE4AF27 for ; Tue, 18 Feb 2020 16:07:56 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jJwG0lI-Q48A for ; Tue, 18 Feb 2020 16:07:54 -0500 (EST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 4C1EF4AF62 for ; Tue, 18 Feb 2020 16:07:50 -0500 (EST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Feb 2020 13:07:47 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,457,1574150400"; d="scan'208";a="253856469" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.202]) by orsmga002.jf.intel.com with ESMTP; 18 Feb 2020 13:07:46 -0800 From: Sean Christopherson To: Paolo Bonzini Subject: [PATCH v6 21/22] KVM: x86/mmu: Use ranged-based TLB flush for dirty log memslot flush Date: Tue, 18 Feb 2020 13:07:35 -0800 Message-Id: <20200218210736.16432-22-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200218210736.16432-1-sean.j.christopherson@intel.com> References: <20200218210736.16432-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 Cc: Wanpeng Li , kvm@vger.kernel.org, David Hildenbrand , linux-mips@vger.kernel.org, Paul Mackerras , kvmarm@lists.cs.columbia.edu, Janosch Frank , Marc Zyngier , Joerg Roedel , Christian Borntraeger , kvm-ppc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jim Mattson , Cornelia Huck , Sean Christopherson , linux-kernel@vger.kernel.org, Vitaly Kuznetsov , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Use the with_address() variant to when performing a TLB flush for a specific memslot via kvm_arch_flush_remote_tlbs_memslot(), i.e. when flushing after clearing dirty bits during KVM_{GET,CLEAR}_DIRTY_LOG. This aligns all dirty log memslot-specific TLB flushes to use the with_address() variant and paves the way for consolidating the relevant code. Note, moving to the with_address() variant only affects functionality when running as a HyperV guest. Cc: Vitaly Kuznetsov Signed-off-by: Sean Christopherson --- arch/x86/kvm/mmu/mmu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 026e4a5c8e86..8a6516ce2983 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -5950,7 +5950,8 @@ void kvm_arch_flush_remote_tlbs_memslot(struct kvm *kvm, * kvm_mmu_slot_remove_write_access(). */ lockdep_assert_held(&kvm->slots_lock); - kvm_flush_remote_tlbs(kvm); + kvm_flush_remote_tlbs_with_address(kvm, memslot->base_gfn, + memslot->npages); } void kvm_mmu_slot_leaf_clear_dirty(struct kvm *kvm, -- 2.24.1 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm