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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07BA7C7619A for ; Wed, 5 Apr 2023 04:22:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236797AbjDEEW0 (ORCPT ); Wed, 5 Apr 2023 00:22:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39008 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236701AbjDEEWZ (ORCPT ); Wed, 5 Apr 2023 00:22:25 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id CD1CDE79; Tue, 4 Apr 2023 21:22:23 -0700 (PDT) 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 DF62F1684; Tue, 4 Apr 2023 21:23:07 -0700 (PDT) Received: from [10.162.42.140] (a077209.arm.com [10.162.42.140]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0E94F3F73F; Tue, 4 Apr 2023 21:22:20 -0700 (PDT) Message-ID: <1b2cf3b4-fd11-43db-7f22-76a762ec8aa6@arm.com> Date: Wed, 5 Apr 2023 09:52:17 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH 0/5] selftests/mm: Implement support for arm64 on va To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Andrew Morton , "Aneesh Kumar K . V" , "Kirill A . Shutemov" , Shuah Khan , linux-kselftest@vger.kernel.org References: <20230323105243.2807166-1-chaitanyas.prakash@arm.com> Content-Language: en-US From: Chaitanya S Prakash In-Reply-To: <20230323105243.2807166-1-chaitanyas.prakash@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org On 3/23/23 16:22, Chaitanya S Prakash wrote: > The va_128TBswitch selftest is designed and implemented for PowerPC and > x86 architectures which support a 128TB switch, up to 256TB of virtual > address space and hugepage sizes of 16MB and 2MB respectively. Arm64 > platforms on the other hand support a 256Tb switch, up to 4PB of virtual > address space and a default hugepage size of 512MB when 64k pagesize is > enabled. > > These architectural differences require introducing support for arm64 > platforms, after which a more generic naming convention is suggested. > The in code comments are amended to provide a more platform independent > explanation of the working of the code and nr_hugepages are configured > as required. Finally, the file running the testcase is modified in order > to prevent skipping of hugetlb testcases of va_high_addr_switch. > > This series has been tested on 6.3.0-rc3 kernel, both on arm64 and x86 > platforms. Gentle ping, any updates? > > Cc: Andrew Morton > Cc: Aneesh Kumar K.V > Cc: Kirill A. Shutemov > Cc: Shuah Khan > Cc: linux-mm@kvack.org > Cc: linux-kselftest@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > > Chaitanya S Prakash (5): > selftests/mm: Add support for arm64 platform on va switch > selftests/mm: Rename va_128TBswitch to va_high_addr_switch > selftests/mm: Add platform independent in code comments > selftests/mm: Configure nr_hugepages for arm64 > selftests/mm: Run hugetlb testcases of va switch > > tools/testing/selftests/mm/Makefile | 4 +- > tools/testing/selftests/mm/run_vmtests.sh | 12 +++++- > ...va_128TBswitch.c => va_high_addr_switch.c} | 41 +++++++++++++++---- > ..._128TBswitch.sh => va_high_addr_switch.sh} | 6 ++- > 4 files changed, 49 insertions(+), 14 deletions(-) > rename tools/testing/selftests/mm/{va_128TBswitch.c => va_high_addr_switch.c} (86%) > rename tools/testing/selftests/mm/{va_128TBswitch.sh => va_high_addr_switch.sh} (89%) >