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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 9E9B6C282DD for ; Thu, 9 Jan 2020 15:29:45 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 2998B20673 for ; Thu, 9 Jan 2020 15:29:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="q5FmlW6o" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2998B20673 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id A19AE4B1F2; Thu, 9 Jan 2020 10:29:44 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@kernel.org Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id SCm-lpElX5Ut; Thu, 9 Jan 2020 10:29:42 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id DCEE84B1EF; Thu, 9 Jan 2020 10:29:42 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 6990B4B1FA for ; Thu, 9 Jan 2020 04:07:35 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id unaMSqoFtevN for ; Thu, 9 Jan 2020 04:07:33 -0500 (EST) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 6E45F4B1CA for ; Thu, 9 Jan 2020 04:07:33 -0500 (EST) Received: from rapoport-lnx (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1E1E920673; Thu, 9 Jan 2020 09:07:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578560852; bh=80VO7IRaadflRsWGeFaWpP4uMh6gHTYCmJeL67RjZyc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=q5FmlW6oNXmmHi8t5SgWv6hqbdIOcUc7kC9MBmRyqClnLeB0DbMUArm6zNITYQbZM X3khTwxh8dUFqbTImNB9UVzgMvIDlRJW427ftIDOSroG+TSjzJJ7++lD9C0seZcwE+ 32RfwPZhjFiLV95ZOf0ynTo5+MVxORQ//gS9cugs= Date: Thu, 9 Jan 2020 11:07:20 +0200 From: Mike Rapoport To: Anshuman Khandual Subject: Re: [PATCH 0/1] arm/arm64: add support for folded p4d page tables Message-ID: <20200109090719.GA14426@rapoport-lnx> References: <20191230082734.28954-1-rppt@kernel.org> <19fc0640-2b7e-a06f-a4c8-2736d54dd565@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <19fc0640-2b7e-a06f-a4c8-2736d54dd565@arm.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Mailman-Approved-At: Thu, 09 Jan 2020 10:29:41 -0500 Cc: Catalin Marinas , Russell King , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, Marc Zyngier , Mike Rapoport , Will Deacon , kvmarm@lists.cs.columbia.edu X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Thu, Jan 09, 2020 at 08:38:54AM +0530, Anshuman Khandual wrote: > > > On 12/30/2019 01:57 PM, Mike Rapoport wrote: > > From: Mike Rapoport > > > > Hi, > > Hello Mike, > > > > > This is a part of clean up of the page table manipulation code that aims to > > remove asm-generic/5level-fixup.h and asm-generic/pgtable-nop4d-hack.h > > > > There is a single patch for both arm and arm64 because doing the conversion > > separately would mean breaking the shared mmu bits in virt/kvm/arm. > > > > The patch is build tested and boot tested on qemu-system-{arm,aarch64}. > > There are lots of code changes here for a single patch but as you have > mentioned shared KVM bits would have prevented splitting arm and arm64 > changes into separate patches. Just curious, are you planning to respin > this patch sooner after fixing the reported build problems caused by > missing p4d_offset_kimg() and p4d_sect() definitions ? Well, I was waiting to see if there was some feedback except kbuild robot response :) I'm planning to send v2 soon, probably next week. > - Anshuman -- Sincerely yours, Mike. _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm