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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 1723AC433EF for ; Fri, 4 Mar 2022 15:29:57 +0000 (UTC) Received: from localhost ([::1]:58254 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nQ9sS-0007Fk-1N for qemu-devel@archiver.kernel.org; Fri, 04 Mar 2022 10:29:56 -0500 Received: from eggs.gnu.org ([209.51.188.92]:46374) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nQ9G6-0005oZ-NX for qemu-devel@nongnu.org; Fri, 04 Mar 2022 09:50:20 -0500 Received: from [2a00:1450:4864:20::42e] (port=34600 helo=mail-wr1-x42e.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nQ9G5-0002o3-Az for qemu-devel@nongnu.org; Fri, 04 Mar 2022 09:50:18 -0500 Received: by mail-wr1-x42e.google.com with SMTP id j26so2686635wrb.1 for ; Fri, 04 Mar 2022 06:50:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=Yeugmeny9qhtt9DSuMJQhjxlvN9/PffYcS8pvXFRqrI=; b=EFeyEEkPQ4NHZdY6Vpa5cuqW5YGoG+HpcrIarOKbaxeei+9TTGrLuQEjgc5U3sYqsa 7pFNokre5oVVppvZDGygyfFl62j948OacTV9Y8KFMs3mitv8pV0wze2lTvGPerGVwJ71 25YiG4qhLKsMWEUzcE6NwJatRaXwrW/XPy0l3rC65ZsGtdt8Ec7jSnFsprabF6V2VXRY UPJ9+oiyw+Ytjg+lwJkbsZeX3+brqp2DfPxl/I+2L3DN9YOA2V4i/K//rPJQSoUtxmZN v2HmNJBrBkhZKbcCzDpImRSlCxxrZsvFWYFXSZhDCdjjEmn/5mRYADgsgo8nh72xqosH w84g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=Yeugmeny9qhtt9DSuMJQhjxlvN9/PffYcS8pvXFRqrI=; b=ckRA1cABJSyRCGi+YNZ0NucEY860M+w+fGUxLNKKw/3d7TamaEhyskPdLcWb+RXmFa qD98e/+68lvbLqabpsX93CXrE2DqIU3j+sq6WsunOM4VzkUpGQLumZY5FrQtnItzr64T SuJ31rAHkC8PvTF1rcEu5YzCQXxgXJSVKyJe7LpvbgDvrT/NkWbsF+D6PgzyZcouQEbn y6/qiFX/9EuR96eai0TAwa2mGabmfg5LGZx+zOqM/Uy0NgzJf3x8OdHI79KzpkitDnyt Wt89Gyy6VK6cN+2Q6RerFvJe7fRg9XRc0F8OKnXFdaRB6m2khX5WLR0l394sELdEuhuP z2Fw== X-Gm-Message-State: AOAM531zoPzPGAUnrHxDzUMmQrL1xDemmgxKWEMHVR5xFOEFyQTTX31M MwFLfcXC/Ic8g7TcYm7Va4c= X-Google-Smtp-Source: ABdhPJxEJ2G7wBZ7flgWp/7897MUyLuZ14jQZUbelM/NNgAAnpNgwUGfzpp7PSBfy3MuyiesRx8yJQ== X-Received: by 2002:a5d:6da1:0:b0:1e3:2bf5:13c with SMTP id u1-20020a5d6da1000000b001e32bf5013cmr31816359wrs.316.1646405415548; Fri, 04 Mar 2022 06:50:15 -0800 (PST) Received: from [192.168.88.252] ([185.126.107.38]) by smtp.gmail.com with ESMTPSA id d3-20020a05600c34c300b003884e826642sm4826384wmq.12.2022.03.04.06.50.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 04 Mar 2022 06:50:14 -0800 (PST) Message-ID: Date: Fri, 4 Mar 2022 13:48:54 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: [PATCH V7 08/29] memory: flat section iterator Content-Language: en-US To: Steve Sistare , qemu-devel@nongnu.org References: <1640199934-455149-1-git-send-email-steven.sistare@oracle.com> <1640199934-455149-9-git-send-email-steven.sistare@oracle.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= In-Reply-To: <1640199934-455149-9-git-send-email-steven.sistare@oracle.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::42e (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::42e; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x42e.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, NICE_REPLY_A=-0.001, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jason Zeng , Juan Quintela , Eric Blake , "Michael S. Tsirkin" , "Dr. David Alan Gilbert" , Markus Armbruster , Zheng Chuan , Alex Williamson , Paolo Bonzini , Stefan Hajnoczi , =?UTF-8?Q?Marc-Andr=c3=a9_Lureau?= , "Daniel P. Berrange" , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , =?UTF-8?Q?Alex_Benn=c3=a9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 22/12/21 20:05, Steve Sistare wrote: > Add an iterator over the sections of a flattened address space. > > Signed-off-by: Steve Sistare > --- > include/exec/memory.h | 31 +++++++++++++++++++++++++++++++ > softmmu/memory.c | 20 ++++++++++++++++++++ > 2 files changed, 51 insertions(+) > > diff --git a/include/exec/memory.h b/include/exec/memory.h > index 137f5f3..9660475 100644 > --- a/include/exec/memory.h > +++ b/include/exec/memory.h > @@ -2338,6 +2338,37 @@ void memory_region_set_ram_discard_manager(MemoryRegion *mr, > RamDiscardManager *rdm); > > /** > + * memory_region_section_cb: callback for address_space_flat_for_each_section() > + * > + * @s: MemoryRegionSection of the range Nitpicking, can we name this @mrs? > + * @opaque: data pointer passed to address_space_flat_for_each_section() > + * @errp: error message, returned to the address_space_flat_for_each_section > + * caller. > + * > + * Returns: non-zero to stop the iteration, and 0 to continue. The same > + * non-zero value is returned to the address_space_flat_for_each_section caller. > + */ > + > +typedef int (*memory_region_section_cb)(MemoryRegionSection *s, > + void *opaque, > + Error **errp);