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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 CF25AC2D0C8 for ; Fri, 20 Dec 2019 21:03:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9484F21655 for ; Fri, 20 Dec 2019 21:03:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="DY6BObZw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727657AbfLTVDp (ORCPT ); Fri, 20 Dec 2019 16:03:45 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:44822 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727791AbfLTVDo (ORCPT ); Fri, 20 Dec 2019 16:03:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1576875823; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Pol5PWFpYE9QDZtFO4p/0Ih4s1j3WxPFfstxyW/mAdA=; b=DY6BObZwpbNZmPs8rTOT6EIyAK7uEeoq6ACN1ZqqlWH6K2AAVoIG45HAs9PCtpGbQ27/Oo 4gjWNYPyvTha+RW8YGhCGvN4BoA8R6tjSAMJpDyQVQEJ9SZRw95mlZDdUU3z6woJfBS7R7 XkMCVfJszGe6dr0vEySpboh6j1JwAJc= Received: from mail-qv1-f72.google.com (mail-qv1-f72.google.com [209.85.219.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-278-6w-vEMEUPQm06gzJzBjFgQ-1; Fri, 20 Dec 2019 16:03:41 -0500 X-MC-Unique: 6w-vEMEUPQm06gzJzBjFgQ-1 Received: by mail-qv1-f72.google.com with SMTP id n11so6715130qvp.15 for ; Fri, 20 Dec 2019 13:03:40 -0800 (PST) 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:mime-version:content-transfer-encoding; bh=Pol5PWFpYE9QDZtFO4p/0Ih4s1j3WxPFfstxyW/mAdA=; b=J7H/jjoHfSpeLexzdNyuLZv8tnmGWMDWfYJzO3/mo23QXXkh0HGBKfu6hNXE5vt2rq u1PitISVptJvGjrCYf0AWz3pRuDxem1XGbDvRGdQxh7L6aIgoRDvPrNL7s1zhjkfom6H Nz5F485FPSUMk0LMPZp7LiS9OFcaaSw0LM8qTLnL+mmApzM3IoURzWB5tlx+yfooCNfc TOaj75NGM/3b0M93QCrI8y7kDIhpBGbvQinZRPoqfWra+YwpEH9APxKxM4l7O+K437u4 5OaGgIlvrhHjnqvBYAxqIR4wpPuoNn/YEGN0aqvIIMTRO39OLHuUxRnK6/D9gxOulsff HcLA== X-Gm-Message-State: APjAAAVzpcuDiOqGPyIDCubvNG+HQxGQxhuvb9fsiISQrdz/YcZokHI3 RJEJ+4in6Up2rgf5BJLpP0YyonfBjssGsqsLrPAeKSnA3kuMQ0LCkC7DbjBULTjfO3uJ83LVkhW pgD5WyINp/Q5z X-Received: by 2002:a05:6214:154b:: with SMTP id t11mr14198261qvw.175.1576875820317; Fri, 20 Dec 2019 13:03:40 -0800 (PST) X-Google-Smtp-Source: APXvYqzGnJV6VBQmJy+GFtTEPIamqoxpbiwGxjBUhIu4gj7U2ESjQ87es1j2xQ7YLZG/dmVH7VrxCg== X-Received: by 2002:a05:6214:154b:: with SMTP id t11mr14198242qvw.175.1576875820067; Fri, 20 Dec 2019 13:03:40 -0800 (PST) Received: from xz-x1.redhat.com ([104.156.64.74]) by smtp.gmail.com with ESMTPSA id a9sm3061018qtb.36.2019.12.20.13.03.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Dec 2019 13:03:39 -0800 (PST) From: Peter Xu To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: peterx@redhat.com, Sean Christopherson , "Michael S . Tsirkin" , Vitaly Kuznetsov , Paolo Bonzini , Christophe de Dinechin , "Dr . David Alan Gilbert" , Jason Wang Subject: [PATCH v2 06/17] KVM: Pass in kvm pointer into mark_page_dirty_in_slot() Date: Fri, 20 Dec 2019 16:03:15 -0500 Message-Id: <20191220210326.49949-7-peterx@redhat.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191220210326.49949-1-peterx@redhat.com> References: <20191220210326.49949-1-peterx@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org The context will be needed to implement the kvm dirty ring. Signed-off-by: Peter Xu --- virt/kvm/kvm_main.c | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index c80a363831ae..17969cf110dd 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -144,7 +144,9 @@ static void hardware_disable_all(void); static void kvm_io_bus_destroy(struct kvm_io_bus *bus); -static void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot, gfn_t gfn); +static void mark_page_dirty_in_slot(struct kvm *kvm, + struct kvm_memory_slot *memslot, + gfn_t gfn); __visible bool kvm_rebooting; EXPORT_SYMBOL_GPL(kvm_rebooting); @@ -2053,8 +2055,9 @@ int kvm_vcpu_read_guest_atomic(struct kvm_vcpu *vcpu, gpa_t gpa, } EXPORT_SYMBOL_GPL(kvm_vcpu_read_guest_atomic); -static int __kvm_write_guest_page(struct kvm_memory_slot *memslot, gfn_t gfn, - const void *data, int offset, int len, +static int __kvm_write_guest_page(struct kvm *kvm, + struct kvm_memory_slot *memslot, gfn_t gfn, + const void *data, int offset, int len, bool track_dirty) { int r; @@ -2067,7 +2070,7 @@ static int __kvm_write_guest_page(struct kvm_memory_slot *memslot, gfn_t gfn, if (r) return -EFAULT; if (track_dirty) - mark_page_dirty_in_slot(memslot, gfn); + mark_page_dirty_in_slot(kvm, memslot, gfn); return 0; } @@ -2077,7 +2080,7 @@ int kvm_write_guest_page(struct kvm *kvm, gfn_t gfn, { struct kvm_memory_slot *slot = gfn_to_memslot(kvm, gfn); - return __kvm_write_guest_page(slot, gfn, data, offset, len, + return __kvm_write_guest_page(kvm, slot, gfn, data, offset, len, track_dirty); } EXPORT_SYMBOL_GPL(kvm_write_guest_page); @@ -2087,7 +2090,7 @@ int kvm_vcpu_write_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn, { struct kvm_memory_slot *slot = kvm_vcpu_gfn_to_memslot(vcpu, gfn); - return __kvm_write_guest_page(slot, gfn, data, offset, + return __kvm_write_guest_page(vcpu->kvm, slot, gfn, data, offset, len, true); } EXPORT_SYMBOL_GPL(kvm_vcpu_write_guest_page); @@ -2202,7 +2205,7 @@ int kvm_write_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc, r = __copy_to_user((void __user *)ghc->hva + offset, data, len); if (r) return -EFAULT; - mark_page_dirty_in_slot(ghc->memslot, gpa >> PAGE_SHIFT); + mark_page_dirty_in_slot(kvm, ghc->memslot, gpa >> PAGE_SHIFT); return 0; } @@ -2269,7 +2272,8 @@ int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len) } EXPORT_SYMBOL_GPL(kvm_clear_guest); -static void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot, +static void mark_page_dirty_in_slot(struct kvm *kvm, + struct kvm_memory_slot *memslot, gfn_t gfn) { if (memslot && memslot->dirty_bitmap) { @@ -2284,7 +2288,7 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn) struct kvm_memory_slot *memslot; memslot = gfn_to_memslot(kvm, gfn); - mark_page_dirty_in_slot(memslot, gfn); + mark_page_dirty_in_slot(kvm, memslot, gfn); } EXPORT_SYMBOL_GPL(mark_page_dirty); @@ -2293,7 +2297,7 @@ void kvm_vcpu_mark_page_dirty(struct kvm_vcpu *vcpu, gfn_t gfn) struct kvm_memory_slot *memslot; memslot = kvm_vcpu_gfn_to_memslot(vcpu, gfn); - mark_page_dirty_in_slot(memslot, gfn); + mark_page_dirty_in_slot(vcpu->kvm, memslot, gfn); } EXPORT_SYMBOL_GPL(kvm_vcpu_mark_page_dirty); -- 2.24.1