From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Sat, 13 Oct 2018 16:54:50 +0200 (CEST) Received: from mail-pf1-x444.google.com ([IPv6:2607:f8b0:4864:20::444]:35974 "EHLO mail-pf1-x444.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23990474AbeJMOyohptIw (ORCPT ); Sat, 13 Oct 2018 16:54:44 +0200 Received: by mail-pf1-x444.google.com with SMTP id l81-v6so7603967pfg.3; Sat, 13 Oct 2018 07:54:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=GCaq3R6VmH1wWlGObzsIcMHnr3COIkQBYeAae2u7kcQ=; b=ZVICMHN0AFLfvRfTF9yl5eF1LtUJio6d6J3YKdxugmdHzEsj5NXvND7pZv/SidDdek 6My4+c84eQCZREXmERXD0Z2ujNZD/ldNJn5zEVz37wk9/OYXYVpkpLkWRnABYIWyAmcK GF3oatbiLja/B2Ge3yx9NqdUaA+1W+keyw3OOvxZQdmm2aUfq3sYKOwk9jVqTHCjDbgk Wu2MFL9RTrN06WtDIlRlDY8nRY339wsHGB9T0q606/Yg7WI6wxRXmG77b0oOXGVz8pzE fl3VV6iszqco6/a9twuZ2bk9dauQqmQkRQ+Pzgk77Aph5Hld8/GC2Ur3ANhrpNdgLvHZ gQ6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=GCaq3R6VmH1wWlGObzsIcMHnr3COIkQBYeAae2u7kcQ=; b=E8/Q6E4HFMZ3wbk3fAoqUg1UM66mtBEQmIOijb+P++nuXL/qTEHBHuqoiRuDBN8TKk zAFWUznAt0H4WRxtvkhSJNuowvbeWebD389BJc9PBoOWYpMKAaIFPOvMTuvhDUXSBRkr SR/XffF5+X47Ti+VQuF+1xNvNVbe2La+mEyXOzJW217+I0PCfI3jFIlHDENqUwbXnHY7 dk0pIzre6/w2SM5OajgCB4h6jjgfAVpDVCVsx3OpztzVlji7TA674sGcJtOiyVpsI9JA N1NEDlT9+YwyBPG/ylhxQamMH7v1/I7p193uUEu+QnKlzgcC8k+IGTRiEnSWG/FBhtn2 9oJw== X-Gm-Message-State: ABuFfog2tjm/nNb8c8bKDOOy/HhrRD9XUZv20TtWijPpRkjL5FF/c8U7 fzDwHJJ3a7B9vVq48LYi2TY= X-Google-Smtp-Source: ACcGV62EdGNQnQ/sKcjwUyLn1xDKyo7VDncjRak4c7jj414oGg3zSQN7txG6tEyPXVxX5UwcU5idzA== X-Received: by 2002:a65:4103:: with SMTP id w3-v6mr9732885pgp.284.1539442478487; Sat, 13 Oct 2018 07:54:38 -0700 (PDT) Received: from localhost.corp.microsoft.com ([2404:f801:9000:18:d9bf:62c6:740b:9fc4]) by smtp.googlemail.com with ESMTPSA id v81-v6sm8688724pfj.25.2018.10.13.07.54.30 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 13 Oct 2018 07:54:37 -0700 (PDT) From: lantianyu1986@gmail.com X-Google-Original-From: Tianyu.Lan@microsoft.com Cc: Lan Tianyu , christoffer.dall@arm.com, marc.zyngier@arm.com, linux@armlinux.org, catalin.marinas@arm.com, will.deacon@arm.com, jhogan@kernel.org, ralf@linux-mips.org, paul.burton@mips.com, paulus@ozlabs.org, benh@kernel.crashing.org, mpe@ellerman.id.au, kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, pbonzini@redhat.com, rkrcmar@redhat.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org, kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, devel@linuxdriverproject.org, kvm@vger.kernel.org, michael.h.kelley@microsoft.com, vkuznets@redhat.com Subject: [PATCH V4 2/15] KVM/MMU: Add tlb flush with range helper function Date: Sat, 13 Oct 2018 22:53:53 +0800 Message-Id: <20181013145406.4911-3-Tianyu.Lan@microsoft.com> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20181013145406.4911-1-Tianyu.Lan@microsoft.com> References: <20181013145406.4911-1-Tianyu.Lan@microsoft.com> To: unlisted-recipients:; (no To-header on input) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 66818 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: lantianyu1986@gmail.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips From: Lan Tianyu This patch is to add wrapper functions for tlb_remote_flush_with_range callback. Signed-off-by: Lan Tianyu --- Change sicne V3: Remove code of updating "tlbs_dirty" Change since V2: Fix comment in the kvm_flush_remote_tlbs_with_range() --- arch/x86/kvm/mmu.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index c73d9f650de7..ff656d85903a 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -264,6 +264,46 @@ static void mmu_spte_set(u64 *sptep, u64 spte); static union kvm_mmu_page_role kvm_mmu_calc_root_page_role(struct kvm_vcpu *vcpu); + +static inline bool kvm_available_flush_tlb_with_range(void) +{ + return kvm_x86_ops->tlb_remote_flush_with_range; +} + +static void kvm_flush_remote_tlbs_with_range(struct kvm *kvm, + struct kvm_tlb_range *range) +{ + int ret = -ENOTSUPP; + + if (range && kvm_x86_ops->tlb_remote_flush_with_range) + ret = kvm_x86_ops->tlb_remote_flush_with_range(kvm, range); + + if (ret) + kvm_flush_remote_tlbs(kvm); +} + +static void kvm_flush_remote_tlbs_with_list(struct kvm *kvm, + struct list_head *flush_list) +{ + struct kvm_tlb_range range; + + range.flush_list = flush_list; + + kvm_flush_remote_tlbs_with_range(kvm, &range); +} + +static void kvm_flush_remote_tlbs_with_address(struct kvm *kvm, + u64 start_gfn, u64 pages) +{ + struct kvm_tlb_range range; + + range.start_gfn = start_gfn; + range.pages = pages; + range.flush_list = NULL; + + kvm_flush_remote_tlbs_with_range(kvm, &range); +} + void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask, u64 mmio_value) { BUG_ON((mmio_mask & mmio_value) != mmio_value); -- 2.14.4 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-x444.google.com ([IPv6:2607:f8b0:4864:20::444]:35974 "EHLO mail-pf1-x444.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23990474AbeJMOyohptIw (ORCPT ); Sat, 13 Oct 2018 16:54:44 +0200 From: lantianyu1986@gmail.com Subject: [PATCH V4 2/15] KVM/MMU: Add tlb flush with range helper function Date: Sat, 13 Oct 2018 22:53:53 +0800 Message-ID: <20181013145406.4911-3-Tianyu.Lan@microsoft.com> In-Reply-To: <20181013145406.4911-1-Tianyu.Lan@microsoft.com> References: <20181013145406.4911-1-Tianyu.Lan@microsoft.com> Return-Path: Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-subscribe: List-owner: List-post: List-archive: Cc: Lan Tianyu , christoffer.dall@arm.com, marc.zyngier@arm.com, linux@armlinux.org, catalin.marinas@arm.com, will.deacon@arm.com, jhogan@kernel.org, ralf@linux-mips.org, paul.burton@mips.com, paulus@ozlabs.org, benh@kernel.crashing.org, mpe@ellerman.id.au, kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, pbonzini@redhat.com, rkrcmar@redhat.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org, kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, devel@linuxdriverproject.org, kvm@vger.kernel.org, michael.h.kelley@microsoft.com, vkuznets@redhat.com Message-ID: <20181013145353.M3W2V_Vb9abmLMR-GM8Q3J1p9QXB7wKdhajmOKRjzmk@z> From: Lan Tianyu This patch is to add wrapper functions for tlb_remote_flush_with_range callback. Signed-off-by: Lan Tianyu --- Change sicne V3: Remove code of updating "tlbs_dirty" Change since V2: Fix comment in the kvm_flush_remote_tlbs_with_range() --- arch/x86/kvm/mmu.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index c73d9f650de7..ff656d85903a 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -264,6 +264,46 @@ static void mmu_spte_set(u64 *sptep, u64 spte); static union kvm_mmu_page_role kvm_mmu_calc_root_page_role(struct kvm_vcpu *vcpu); + +static inline bool kvm_available_flush_tlb_with_range(void) +{ + return kvm_x86_ops->tlb_remote_flush_with_range; +} + +static void kvm_flush_remote_tlbs_with_range(struct kvm *kvm, + struct kvm_tlb_range *range) +{ + int ret = -ENOTSUPP; + + if (range && kvm_x86_ops->tlb_remote_flush_with_range) + ret = kvm_x86_ops->tlb_remote_flush_with_range(kvm, range); + + if (ret) + kvm_flush_remote_tlbs(kvm); +} + +static void kvm_flush_remote_tlbs_with_list(struct kvm *kvm, + struct list_head *flush_list) +{ + struct kvm_tlb_range range; + + range.flush_list = flush_list; + + kvm_flush_remote_tlbs_with_range(kvm, &range); +} + +static void kvm_flush_remote_tlbs_with_address(struct kvm *kvm, + u64 start_gfn, u64 pages) +{ + struct kvm_tlb_range range; + + range.start_gfn = start_gfn; + range.pages = pages; + range.flush_list = NULL; + + kvm_flush_remote_tlbs_with_range(kvm, &range); +} + void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask, u64 mmio_value) { BUG_ON((mmio_mask & mmio_value) != mmio_value); -- 2.14.4