From patchwork Wed May 22 07:51:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Fancellu X-Patchwork-Id: 13670535 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.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 5F44DC25B78 for ; Wed, 22 May 2024 07:52:14 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.727262.1131683 (Exim 4.92) (envelope-from ) id 1s9glY-0005aR-SX; Wed, 22 May 2024 07:52:04 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 727262.1131683; Wed, 22 May 2024 07:52:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1s9glY-0005aK-Pi; Wed, 22 May 2024 07:52:04 +0000 Received: by outflank-mailman (input) for mailman id 727262; Wed, 22 May 2024 07:52:03 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1s9glX-0005YY-08 for xen-devel@lists.xenproject.org; Wed, 22 May 2024 07:52:03 +0000 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by se1-gles-sth1.inumbo.com (Halon) with ESMTP id 2bf9491e-1810-11ef-90a0-e314d9c70b13; Wed, 22 May 2024 09:52:01 +0200 (CEST) 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 C0254339; Wed, 22 May 2024 00:52:24 -0700 (PDT) Received: from e125770.cambridge.arm.com (e125770.arm.com [10.1.199.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D50B23F766; Wed, 22 May 2024 00:51:59 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 2bf9491e-1810-11ef-90a0-e314d9c70b13 From: Luca Fancellu To: xen-devel@lists.xenproject.org Cc: Stefano Stabellini , Julien Grall , Bertrand Marquis , Michal Orzel , Volodymyr Babchuk Subject: [PATCH v3 0/7] Static shared memory followup v2 - pt2 Date: Wed, 22 May 2024 08:51:44 +0100 Message-Id: <20240522075151.3373899-1-luca.fancellu@arm.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 This serie is a partial rework of this other serie: https://patchwork.kernel.org/project/xen-devel/cover/20231206090623.1932275-1-Penny.Zheng@arm.com/ The original serie is addressing an issue of the static shared memory feature that impacts the memory footprint of other component when the feature is enabled, another issue impacts the device tree generation for the guests when the feature is enabled and used and the last one is a missing feature that is the option to have a static shared memory region that is not from the host address space. This serie is handling some comment on the original serie and it is splitting the rework in two part, this first part is addressing the memory footprint issue and the device tree generation and currently is fully merged (https://patchwork.kernel.org/project/xen-devel/cover/20240418073652.3622828-1-luca.fancellu@arm.com/), this serie is addressing the static shared memory allocation from the Xen heap. Luca Fancellu (5): xen/arm: Lookup bootinfo shm bank during the mapping xen/arm: Wrap shared memory mapping code in one function xen/arm: Parse xen,shared-mem when host phys address is not provided xen/arm: Rework heap page allocation outside allocate_bank_memory xen/arm: Implement the logic for static shared memory from Xen heap Penny Zheng (2): xen/p2m: put reference for level 2 superpage xen/docs: Describe static shared memory when host address is not provided docs/misc/arm/device-tree/booting.txt | 52 ++- xen/arch/arm/arm32/mmu/mm.c | 11 +- xen/arch/arm/dom0less-build.c | 4 +- xen/arch/arm/domain_build.c | 84 +++-- xen/arch/arm/include/asm/domain_build.h | 9 +- xen/arch/arm/mmu/p2m.c | 63 +++- xen/arch/arm/setup.c | 14 +- xen/arch/arm/static-shmem.c | 432 +++++++++++++++++------- 8 files changed, 486 insertions(+), 183 deletions(-)