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=-12.9 required=3.0 tests=BAYES_00,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=unavailable 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 3BB67C55179 for ; Fri, 23 Oct 2020 18:35:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C67F620E65 for ; Fri, 23 Oct 2020 18:35:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="fynlrjAR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754885AbgJWSfj (ORCPT ); Fri, 23 Oct 2020 14:35:39 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:48248 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754849AbgJWSeM (ORCPT ); Fri, 23 Oct 2020 14:34:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603478050; 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=9t8T9Ib2e2iMqBzDGwKPkdGpy/vVvvmM60SQlXqCXhs=; b=fynlrjARaKqVXfqE36E9qajZapplUAZ4Wk1a1gz7r8aAHorYwNzdePq4Tgvv7WAcdMNPdv DOUnNvi6e7UqNlRBm0fQwZpy4EX/50heecBpDyadQC6H8Kd6qm/VrUw1WsQRvP98ERNnMl pYeysV3XHfAn0uUhdoto4Fvx7FpeGN0= Received: from mail-qt1-f198.google.com (mail-qt1-f198.google.com [209.85.160.198]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-423-AH0zvanbMLCxu2vGsUMYPA-1; Fri, 23 Oct 2020 14:34:08 -0400 X-MC-Unique: AH0zvanbMLCxu2vGsUMYPA-1 Received: by mail-qt1-f198.google.com with SMTP id n8so1671159qtf.10 for ; Fri, 23 Oct 2020 11:34:08 -0700 (PDT) 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=9t8T9Ib2e2iMqBzDGwKPkdGpy/vVvvmM60SQlXqCXhs=; b=uM+KbbZa3lyq8/WeXY3lksrIBY5KgKd85YNu2oSmiz5D/vYOGReQzZUzf/9d2pFsnD pt9Po3ny+gp4dZTOIEb/HFSLpdZsj3RjJJPnR9ewadUtrSaS9PBjSo3ag4dBafUeoDFP htRG+3RzT4fK2y/3LbRnnd8tA3k/g4i31Srx9FYidgmDjoAmC/uuy8/OpetFn3afv/XK DPXi/yBWLBLsi5LHAigexDpRBtbZ5hJAmCNxH4eUVkQcpILIj5GPdzRB054bduZ5wGdz 7ZZ8MXT/5yPxNyMQsoRqfwrJcQj3tk5sxYPuNytbh2pWV+93wuEMUw8W25k7Sqan9wx/ OJnA== X-Gm-Message-State: AOAM5307P4vWbvBmNse2hnvxWvzLHG27CiFHgbUgFknIcq2xUstZotst IvYlRMWlrt0EKHGtzKyEn3W2/IcJ/JA3O4ivVcxZeKm4R7SCg3CyuAsmkWOV/8RwtYLwsKDeH1e +vxGiRNfiZLVR X-Received: by 2002:ac8:5389:: with SMTP id x9mr3616359qtp.106.1603478047027; Fri, 23 Oct 2020 11:34:07 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyi6uGKmSeLVqu5Bsky2+VJNco6/52TDj8b1R2+nS4jod5vgvxqktGMjNvyizIHdnAo1X4STw== X-Received: by 2002:ac8:5389:: with SMTP id x9mr3616338qtp.106.1603478046785; Fri, 23 Oct 2020 11:34:06 -0700 (PDT) Received: from xz-x1.redhat.com (toroon474qw-lp140-04-174-95-215-133.dsl.bell.ca. [174.95.215.133]) by smtp.gmail.com with ESMTPSA id u11sm1490407qtk.61.2020.10.23.11.34.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Oct 2020 11:34:05 -0700 (PDT) From: Peter Xu To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Sean Christopherson , peterx@redhat.com, Andrew Jones , "Dr . David Alan Gilbert" , Paolo Bonzini Subject: [PATCH v15 04/14] KVM: Pass in kvm pointer into mark_page_dirty_in_slot() Date: Fri, 23 Oct 2020 14:33:48 -0400 Message-Id: <20201023183358.50607-5-peterx@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201023183358.50607-1-peterx@redhat.com> References: <20201023183358.50607-1-peterx@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- arch/x86/kvm/mmu/tdp_mmu.c | 2 +- include/linux/kvm_host.h | 3 ++- virt/kvm/kvm_main.c | 29 ++++++++++++++++------------- 3 files changed, 19 insertions(+), 15 deletions(-) diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c index e246d71b8ea2..19e3aaadb504 100644 --- a/arch/x86/kvm/mmu/tdp_mmu.c +++ b/arch/x86/kvm/mmu/tdp_mmu.c @@ -178,7 +178,7 @@ static void handle_changed_spte_dirty_log(struct kvm *kvm, int as_id, gfn_t gfn, if ((!is_writable_pte(old_spte) || pfn_changed) && is_writable_pte(new_spte)) { slot = __gfn_to_memslot(__kvm_memslots(kvm, as_id), gfn); - mark_page_dirty_in_slot(slot, gfn); + mark_page_dirty_in_slot(kvm, slot, gfn); } } diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 7f2e2a09ebbd..6789500364c2 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -798,7 +798,8 @@ struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn); bool kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn); bool kvm_vcpu_is_visible_gfn(struct kvm_vcpu *vcpu, gfn_t gfn); unsigned long kvm_host_page_size(struct kvm_vcpu *vcpu, gfn_t gfn); -void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot, gfn_t gfn); +void mark_page_dirty_in_slot(struct kvm *kvm, struct kvm_memory_slot *memslot, + gfn_t gfn); void mark_page_dirty(struct kvm *kvm, gfn_t gfn); struct kvm_memslots *kvm_vcpu_memslots(struct kvm_vcpu *vcpu); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 2541a17ff1c4..59ad45ef9b55 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -2196,7 +2196,8 @@ int kvm_vcpu_map(struct kvm_vcpu *vcpu, gfn_t gfn, struct kvm_host_map *map) } EXPORT_SYMBOL_GPL(kvm_vcpu_map); -static void __kvm_unmap_gfn(struct kvm_memory_slot *memslot, +static void __kvm_unmap_gfn(struct kvm *kvm, + struct kvm_memory_slot *memslot, struct kvm_host_map *map, struct gfn_to_pfn_cache *cache, bool dirty, bool atomic) @@ -2221,7 +2222,7 @@ static void __kvm_unmap_gfn(struct kvm_memory_slot *memslot, #endif if (dirty) - mark_page_dirty_in_slot(memslot, map->gfn); + mark_page_dirty_in_slot(kvm, memslot, map->gfn); if (cache) cache->dirty |= dirty; @@ -2235,7 +2236,7 @@ static void __kvm_unmap_gfn(struct kvm_memory_slot *memslot, int kvm_unmap_gfn(struct kvm_vcpu *vcpu, struct kvm_host_map *map, struct gfn_to_pfn_cache *cache, bool dirty, bool atomic) { - __kvm_unmap_gfn(gfn_to_memslot(vcpu->kvm, map->gfn), map, + __kvm_unmap_gfn(vcpu->kvm, gfn_to_memslot(vcpu->kvm, map->gfn), map, cache, dirty, atomic); return 0; } @@ -2243,8 +2244,8 @@ EXPORT_SYMBOL_GPL(kvm_unmap_gfn); void kvm_vcpu_unmap(struct kvm_vcpu *vcpu, struct kvm_host_map *map, bool dirty) { - __kvm_unmap_gfn(kvm_vcpu_gfn_to_memslot(vcpu, map->gfn), map, NULL, - dirty, false); + __kvm_unmap_gfn(vcpu->kvm, kvm_vcpu_gfn_to_memslot(vcpu, map->gfn), + map, NULL, dirty, false); } EXPORT_SYMBOL_GPL(kvm_vcpu_unmap); @@ -2418,7 +2419,8 @@ 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, +static int __kvm_write_guest_page(struct kvm *kvm, + struct kvm_memory_slot *memslot, gfn_t gfn, const void *data, int offset, int len) { int r; @@ -2430,7 +2432,7 @@ static int __kvm_write_guest_page(struct kvm_memory_slot *memslot, gfn_t gfn, r = __copy_to_user((void __user *)addr + offset, data, len); if (r) return -EFAULT; - mark_page_dirty_in_slot(memslot, gfn); + mark_page_dirty_in_slot(kvm, memslot, gfn); return 0; } @@ -2439,7 +2441,7 @@ 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); } EXPORT_SYMBOL_GPL(kvm_write_guest_page); @@ -2448,7 +2450,7 @@ 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, len); + return __kvm_write_guest_page(vcpu->kvm, slot, gfn, data, offset, len); } EXPORT_SYMBOL_GPL(kvm_vcpu_write_guest_page); @@ -2567,7 +2569,7 @@ 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; } @@ -2643,7 +2645,8 @@ int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len) } EXPORT_SYMBOL_GPL(kvm_clear_guest); -void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot, gfn_t gfn) +void mark_page_dirty_in_slot(struct kvm *kvm, struct kvm_memory_slot *memslot, + gfn_t gfn) { if (memslot && memslot->dirty_bitmap) { unsigned long rel_gfn = gfn - memslot->base_gfn; @@ -2658,7 +2661,7 @@ 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); @@ -2667,7 +2670,7 @@ 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); -- 2.26.2