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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 47546C433ED for ; Thu, 6 May 2021 16:33:36 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B7018610D2 for ; Thu, 6 May 2021 16:33:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B7018610D2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40208 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1legwQ-0005g6-O5 for qemu-devel@archiver.kernel.org; Thu, 06 May 2021 12:33:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59848) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1legW5-0004Xf-9s for qemu-devel@nongnu.org; Thu, 06 May 2021 12:06:21 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:43552) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1legVz-0003eS-Nj for qemu-devel@nongnu.org; Thu, 06 May 2021 12:06:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1620317175; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3hEMDIt72dK79rkwjKZwzBlNWlqk9Cujj6vHcXwHvIY=; b=fdFG8E8cOJQUyxY/lh3iKl9rI2PbtiyU3ToFyV9sNTZ+XXZTVQxYfoyB/5RJKOq0KfKUUj H/C1wedU9thZxGZdUpwjy6gDhxYqf0v6MB2VNYwE40ogZrgrUNy7P57sWT8/7P0O2KNIV0 GPvb5mF7NZt0ZAUg4fzJscY9x+MIbnI= Received: from mail-qk1-f200.google.com (mail-qk1-f200.google.com [209.85.222.200]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-283-MnXuZ3lDOqWJqiGoLrebYA-1; Thu, 06 May 2021 12:06:13 -0400 X-MC-Unique: MnXuZ3lDOqWJqiGoLrebYA-1 Received: by mail-qk1-f200.google.com with SMTP id e4-20020a37b5040000b02902df9a0070efso3783726qkf.18 for ; Thu, 06 May 2021 09:06:13 -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=3hEMDIt72dK79rkwjKZwzBlNWlqk9Cujj6vHcXwHvIY=; b=ljpMv8GR4bGy1LyIXDWX4zTSMb5wcS1wFZM8hu7QlzXy7Wb/Z8FWT+g8Mer2plaH+d CLxzoE7iXpON96xskJ7to1E9126C5Oh2L6RN1BYgfBYZ/us2lkwVE2vI28AC9bMeqBPL Hk0cqUfwzzj69tcvgyh8xTCtnQDp7hLoRag1GH/ghp+XqgFBSH5AA3GwgNUpcTzVxONr jQeeE/gzGLh0KJnhbbUShNLuCBpppcj/bs4R74YUM6t3Z9wZ/VxUHuZVLAeL4Wn/m4V+ 4JBr1CQRT8jwKMhDlVBE0J9NW5p4t25Bo+DDLFv2bNWmiv7boQ0hQ/oFZn5TBuHmE6sJ WarA== X-Gm-Message-State: AOAM531d+T2MIVzzaZ2zsaAOug+QJBAnJFkZszzj2NHUojuUcq8WbX3M jZVBzgAvppLSwwaXYtHcH8HHcnYTwRG9UJXIsJ26tXRYEvMb1TNg+VanwpufGPAzoSazE11H5Hj Xus5uRugCc7imvESbbQtpmZB++O+nGEYizQmSfoZECCj5ceNd47VrlUS09/Krt694 X-Received: by 2002:a05:620a:cca:: with SMTP id b10mr4734802qkj.136.1620317171540; Thu, 06 May 2021 09:06:11 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxh+pWGMI9EBgVfGYEA/xDFXXiDokXkmQ5vyNU0pyVmtKfkF6JEhkQZN3plI4F7aLL1RwmOlQ== X-Received: by 2002:a05:620a:cca:: with SMTP id b10mr4734369qkj.136.1620317166825; Thu, 06 May 2021 09:06:06 -0700 (PDT) Received: from t490s.redhat.com (bras-base-toroon474qw-grc-72-184-145-4-219.dsl.bell.ca. [184.145.4.219]) by smtp.gmail.com with ESMTPSA id y84sm2194131qkb.134.2021.05.06.09.06.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 May 2021 09:06:05 -0700 (PDT) From: Peter Xu To: qemu-devel@nongnu.org Subject: [PATCH v7 07/10] KVM: Cache kvm slot dirty bitmap size Date: Thu, 6 May 2021 12:05:46 -0400 Message-Id: <20210506160549.130416-8-peterx@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210506160549.130416-1-peterx@redhat.com> References: <20210506160549.130416-1-peterx@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=peterx@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=216.205.24.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.69, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , Keqian Zhu , Hyman , "Dr . David Alan Gilbert" , peterx@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Cache it too because we'll reference it more frequently in the future. Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Peter Xu --- accel/kvm/kvm-all.c | 1 + include/sysemu/kvm_int.h | 1 + 2 files changed, 2 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 4b786240a04..4af61734e37 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -610,6 +610,7 @@ static void kvm_slot_init_dirty_bitmap(KVMSlot *mem) hwaddr bitmap_size = ALIGN(mem->memory_size / qemu_real_host_page_size, /*HOST_LONG_BITS*/ 64) / 8; mem->dirty_bmap = g_malloc0(bitmap_size); + mem->dirty_bmap_size = bitmap_size; } /* diff --git a/include/sysemu/kvm_int.h b/include/sysemu/kvm_int.h index ab09a150e19..c788452cd96 100644 --- a/include/sysemu/kvm_int.h +++ b/include/sysemu/kvm_int.h @@ -23,6 +23,7 @@ typedef struct KVMSlot int old_flags; /* Dirty bitmap cache for the slot */ unsigned long *dirty_bmap; + unsigned long dirty_bmap_size; /* Cache of the address space ID */ int as_id; /* Cache of the offset in ram address space */ -- 2.31.1