Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S934060AbeAHQvo (ORCPT <rfc822;ralf@linux-mips.org> + 1 other);
        Mon, 8 Jan 2018 11:51:44 -0500
Received: from mail-wr0-f193.google.com ([209.85.128.193]:42030 "EHLO
        mail-wr0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S932675AbeAHQvn (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Mon, 8 Jan 2018 11:51:43 -0500
X-Google-Smtp-Source: ACJfBostCysB14GftYfu4uHmG+B5w8J68Q3MCBFz3V3dOG0TS97gCsXP/+YQaGVMRWXT4YPX0F6KPfdEdIkVyE8Zuxg=
MIME-Version: 1.0
In-Reply-To: <20180108161435.e3jjrttk57lib63a@gmail.com>
References: <20171123165226.32582-1-aneesh.kumar@linux.vnet.ibm.com> <20180108161435.e3jjrttk57lib63a@gmail.com>
From: Philippe Ombredanne <pombredanne@nexb.com>
Date: Mon, 8 Jan 2018 17:51:01 +0100
Message-ID: <CAOFm3uHbs7_8+YWo9-8AWauK7Hx8E-v8M1w6Du23ZUvHHfFOjw@mail.gmail.com>
Subject: Re: [PATCH v4] selftest/vm: Move the 128 TB mmap boundary test to the
 generic VM directory
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
        Ingo Molnar <mingo@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Ingo Molnar <mingo@redhat.com>, x86@kernel.org,
        Thomas Gleixner <tglx@linutronix.de>,
        "H . Peter Anvin" <hpa@zytor.com>, linux-mm@kvack.org,
        LKML <linux-kernel@vger.kernel.org>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Return-Path: <linux-kernel-owner@vger.kernel.org>

Anesh,

On Mon, Jan 8, 2018 at 5:14 PM, Ingo Molnar <mingo@kernel.org> wrote:
>
> * Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> wrote:
>
>> Architectures like ppc64 do support mmap hint addr based large address space
>> selection. This test can be run on those architectures too. Move the test to
>> selftest/vm so that other archs can use the same.
>>
>> We also add a few new test scenarios in this patch. We do test few boundary
>> condition before we do a high address mmap. ppc64 use the addr limit to validate
>> addr in the fault path. We had bugs in this area w.r.t slb fault handling
>> before we updated the addr limit.
>>
>> We also touch the allocated space to make sure we don't have any bugs in the
>> fault handling path.
>>
>> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

<snip>

> --- /dev/null
> +++ b/tools/testing/selftests/vm/va_128TBswitch.c
> @@ -0,0 +1,297 @@
> +/*
> + *
> + * Authors: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> + * Authors: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License, version 2, as
> + * published by the Free Software Foundation.
> +
> + * This program is distributed in the hope that it would be useful, but
> + * WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> + *
> + */

Would you mind using an SPDX tag instead of this fine legalese?
See Thomas doc [1] for details.
Thanks!

[1] https://lkml.org/lkml/2017/12/28/323
-- 
Cordially
Philippe Ombredanne