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=-11.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 6CE65C433DF for ; Wed, 5 Aug 2020 09:30:07 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 3C9BD20792 for ; Wed, 5 Aug 2020 09:30:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="aUOxTUPp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3C9BD20792 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id F138E877E7; Wed, 5 Aug 2020 09:30:06 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 58z5-aU9W-Du; Wed, 5 Aug 2020 09:30:06 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id 398EB877D1; Wed, 5 Aug 2020 09:30:06 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 232E2C0051; Wed, 5 Aug 2020 09:30:06 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id E1DD3C004C for ; Wed, 5 Aug 2020 09:30:04 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id C7FBE880A1 for ; Wed, 5 Aug 2020 09:30:04 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0EDuVgzdoHBm for ; Wed, 5 Aug 2020 09:30:04 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) by hemlock.osuosl.org (Postfix) with ESMTPS id 2248C8739A for ; Wed, 5 Aug 2020 09:30:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1596619802; 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: in-reply-to:in-reply-to:references:references; bh=KGrNYVry5FOInRW/Xy0yFMiPNeyHmg20qhVD8oGfJJ4=; b=aUOxTUPpBPd48TQUNVSosUBrx0RpYWwrCSGKn8GWTGhB28sC3H1gVhK3g5jDWcq7hb1KLW HZC/Y/5rDZbbpdfxZ99aYgN5c7MepdlUlLdBcuzSbWncjo6uHbrkf+n4c9F1jMaqB2oSnv k3iBr7h6S4pqZcnEQhPLETOc35VuQnc= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-470-ZnwKN9E9NxSzYumJ2rNNrw-1; Wed, 05 Aug 2020 05:29:58 -0400 X-MC-Unique: ZnwKN9E9NxSzYumJ2rNNrw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 24BE680183C; Wed, 5 Aug 2020 09:29:53 +0000 (UTC) Received: from localhost (ovpn-12-71.pek2.redhat.com [10.72.12.71]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 068AF726A5; Wed, 5 Aug 2020 09:29:51 +0000 (UTC) Date: Wed, 5 Aug 2020 17:29:48 +0800 From: Baoquan He To: Mike Rapoport Subject: Re: [PATCH v2 17/17] memblock: use separate iterators for memory and reserved regions Message-ID: <20200805092948.GX10792@MiWiFi-R3L-srv> References: <20200802163601.8189-1-rppt@kernel.org> <20200802163601.8189-18-rppt@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200802163601.8189-18-rppt@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Cc: Emil Renner Berthing , linux-sh@vger.kernel.org, Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , linux-mips@vger.kernel.org, Max Filippov , Paul Mackerras , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Will Deacon , Stafford Horne , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michael Ellerman , x86@kernel.org, Russell King , Mike Rapoport , clang-built-linux@googlegroups.com, Ingo Molnar , linux-arm-kernel@lists.infradead.org, Catalin Marinas , uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, Borislav Petkov , Andy Lutomirski , Paul Walmsley , Thomas Gleixner , Hari Bathini , Michal Simek , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Palmer Dabbelt , Andrew Morton , Christoph Hellwig X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On 08/02/20 at 07:36pm, Mike Rapoport wrote: > From: Mike Rapoport > > for_each_memblock() is used to iterate over memblock.memory in > a few places that use data from memblock_region rather than the memory > ranges. > > Introduce separate for_each_mem_region() and for_each_reserved_mem_region() > to improve encapsulation of memblock internals from its users. > > Signed-off-by: Mike Rapoport > --- > .clang-format | 3 ++- > arch/arm64/kernel/setup.c | 2 +- > arch/arm64/mm/numa.c | 2 +- > arch/mips/netlogic/xlp/setup.c | 2 +- > arch/x86/mm/numa.c | 2 +- > include/linux/memblock.h | 19 ++++++++++++++++--- > mm/memblock.c | 4 ++-- > mm/page_alloc.c | 8 ++++---- > 8 files changed, 28 insertions(+), 14 deletions(-) > ... > diff --git a/include/linux/memblock.h b/include/linux/memblock.h > index 9e51b3fd4134..a6970e058bd7 100644 > --- a/include/linux/memblock.h > +++ b/include/linux/memblock.h > @@ -522,9 +522,22 @@ static inline unsigned long memblock_region_reserved_end_pfn(const struct memblo > return PFN_UP(reg->base + reg->size); > } > > -#define for_each_memblock(memblock_type, region) \ > - for (region = memblock.memblock_type.regions; \ > - region < (memblock.memblock_type.regions + memblock.memblock_type.cnt); \ > +/** > + * for_each_mem_region - itereate over registered memory regions ~~~~~~~~~~~~~~~~~ Wonder why emphasize 'registered' memory. Other than this confusion to me, this patch looks good. Reviewed-by: Baoquan He _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu