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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62D16C76188 for ; Wed, 5 Apr 2023 04:22:28 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7F96D6B0071; Wed, 5 Apr 2023 00:22:27 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7A9F36B0072; Wed, 5 Apr 2023 00:22:27 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6984F6B0074; Wed, 5 Apr 2023 00:22:27 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 586736B0071 for ; Wed, 5 Apr 2023 00:22:27 -0400 (EDT) Received: from smtpin15.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 341DA404B5 for ; Wed, 5 Apr 2023 04:22:27 +0000 (UTC) X-FDA: 80646040734.15.675D573 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf08.hostedemail.com (Postfix) with ESMTP id 8347E160017 for ; Wed, 5 Apr 2023 04:22:24 +0000 (UTC) Authentication-Results: imf08.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf08.hostedemail.com: domain of chaitanyas.prakash@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=chaitanyas.prakash@arm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1680668544; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zyxZXoEOSmPO9URa8ikV08mWkSESyGY9GypxE/TPJ3Q=; b=g88hg3u/qn353HOkpB7Hw3maTI45w9kkKx7MAUJvgEEGs5hU8IWxzTNwoqzzQED+sO8YuB Bq15/PUBdZZ0dXK6F+FOpNLXjDv0ZPMKKfu6DeDeZSLHUGoI2LRHhMs0GassO5HHX82HTh AAujsese7gaTzNOIFjzi/eER8fylZl4= ARC-Authentication-Results: i=1; imf08.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf08.hostedemail.com: domain of chaitanyas.prakash@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=chaitanyas.prakash@arm.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1680668544; a=rsa-sha256; cv=none; b=cGtqaDHxRbvm0Icl7OdKFeJx0C4fO6XSWoJJdhFKPHE6a2/DQKkljeKy76xazZPydtKlN4 qclaVKlF1UCVZvUwOVpiAM/VoWTvwt/4BXn25NpkEpg+dcefKyXA9Gu+PPn/mPkc8b3QMp nYPP0LUDEAymxRzX969CWNGuqFxl/AU= 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 X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 8347E160017 X-Rspam-User: X-Stat-Signature: aarei9warfjcbbp6w1w8xdmbr816yt6s X-HE-Tag: 1680668544-437985 X-HE-Meta: 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 aUpayFFk L3w7oz4eaBy5cugxOtBJu9+jGNJhpR1n/amQ8r4sDQ405sLPK5UFpwX2RBq02IopSymmqBRhxb6sm2P2zwIDKTWrZ3XyMqBmhlrsGKdqpu/CIfkSGH07+axWkFo3WPiFWikmR9RxVJShYfNAwFtAN8cyvSmiAdu1j1c4l6pWZ1mwzHsqknaK/uEs9hXxfm+VnFXYjEgY7wpaayZnlAlAzUk63FUx7gr1bnlDsK9aSMl8whA5JENSDkbyCZBZ/2J0UY5JFjtAaKd+mdMewmMEcG3LqXRTAlLmc79WY4JWK5iRXmRnsE/rtjYhMoBc3Rk7dZIgmY6LvqCxdzzpRsHFjsohmHjU83t4BcE45 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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%) >