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.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 B9499C61DD3 for ; Mon, 31 Aug 2026 06:49:59 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4hYKP15C24z2y2f; Mon, 31 Aug 2026 16:49:57 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1788158997; cv=none; b=TKuvwfcvGRfIn0T6/yCcTImqCwzVm/5xkO0KA3SywafK30WEqse386hYD+06QWYIu94H4sg9VwYZa6H2Ean2m/1tbqotnQGTDYuGoqPfqp5wFFCmsJQS4zXRZOb/0RKXeBJEZ0PVC3hX9uGGwEaqNYR774516KhU3qgIoWNIYQU61r47uhxe+NFX0ThOlSGU1TKCmTa4h8hjCatsA84ddksYZ8W9YXup5R+q1PXmTS3bsuwLp/XNx7zLyjxLZCIiw5N2CpNiaZ2KsZF2J+yOTrYpiyCeSHH9hUJdmRR8DYzVm8OjMLdO05D3SWsq4NgwuYQwGHFWlE0RVV/jhD2b1w== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1788158997; c=relaxed/relaxed; bh=/H8XwUq6/bROzHqqhxbKEvOIJlS9kKt/F3AGQnb3rVI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=KJJ74K9Jc9xxqgKa0w7yfreoVyYNvwvoXhtIFpLx9f6t4wwVp8kpQjHxjAvHGQPoIsjJEPMWFc6lUwA1IEBO4qe3BlVTuF0tgP/1rzAPV+7cDABnhQNB0iRA3ES1kbSN09mlNbhgayJqwNnoeGUlGMF25XwKArKq9VGAbsdswX45s9fAGNsxy0FDQHpmd8g0WHCPj/oI83e5kY+HEJqgtu4roS4jX44+MvmVrma/XRWVCYUPe68zxDB87VWapZIaLpa2R6mjmwM7i5pIM+wLb8yAHPXHxBLuBqyzDfUYiTSPxdyZtT0iNO8USCFPugyVGXW5np2TRU4AqkZMvgHRow== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=arm.com; dkim=pass (1024-bit key; unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=U7FcIb97; dkim-atps=neutral; spf=pass (client-ip=217.140.110.172; helo=foss.arm.com; envelope-from=anshuman.khandual@arm.com; receiver=lists.ozlabs.org) smtp.mailfrom=arm.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=U7FcIb97; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=arm.com (client-ip=217.140.110.172; helo=foss.arm.com; envelope-from=anshuman.khandual@arm.com; receiver=lists.ozlabs.org) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lists.ozlabs.org (Postfix) with ESMTP id 4hYKNy3ZxRz2y2J for ; Mon, 31 Aug 2026 16:49:52 +1000 (AEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B591414BF; Sun, 30 Aug 2026 23:49:14 -0700 (PDT) Received: from [10.164.18.31] (J09HK2D2RT.blr.arm.com [10.164.18.31]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D75643F8C6; Sun, 30 Aug 2026 23:49:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1788158958; bh=UzZgy0NWc63K+ko4Xr6TdOnwA9EjAL5aleqBNdt6jY4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=U7FcIb97JDEewur9Kf4radnvfeDHm6NiB7P5FNYX6eqEzgaSbcLTTz2427bXHEGdQ uo4OFurjcGsPFnWvC+QS8s3MrHKwugc62Aj4Qy9UerHzl+ldPYjUgyGMq+omakELHp zDbAViiLJS8zWjabH0UPjbR/p9ivvj9kKzLGGkiE= Message-ID: <8ad05b11-5cc3-4682-b921-a0c7820b1f97@arm.com> Date: Mon, 31 Aug 2026 12:19:08 +0530 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/8] mm: Drop pxd_ERROR() To: John Paul Adrian Glaubitz , linux-mm@kvack.org Cc: samuel.holland@sifive.com, David Hildenbrand , Mike Rapoport , Andrew Morton , Lorenzo Stoakes , Yoshinori Sato , Rich Felker , "James E.J. Bottomley" , Helge Deller , Huacai Chen , WANG Xuerui , linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260831054331.625505-1-anshuman.khandual@arm.com> Content-Language: en-US From: Anshuman Khandual In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 31/08/26 11:38 AM, John Paul Adrian Glaubitz wrote: > Hi Anshuman, > > On Mon, 2026-08-31 at 11:13 +0530, Anshuman Khandual wrote: >> pxd_ERROR() macros have been provided by all platforms, which are very much >> identical and can be dropped off completely if these pgtable printing could >> be moved to callers in generic MM aka all pxd_clear_bad(). > > If pxd_ERROR() macros are really all identical, why not provide a common definiton > of that macro? I'm always a bit concerned about such changes as there is always > a risk to oversee arch-specific peculiarities. We don't those platform macros any more after converting generic MM into using ptval_bytes_to_hex_str() which now handles different pgtable entry types. > > Adrian >