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[156.151.31.86]) by mx.google.com with ESMTPS id d19si3345454plr.327.2019.02.14.11.59.15 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Feb 2019 11:59:15 -0800 (PST) Received-SPF: pass (google.com: domain of khalid.aziz@oracle.com designates 156.151.31.86 as permitted sender) client-ip=156.151.31.86; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2018-07-02 header.b=dz2KSoaS; spf=pass (google.com: domain of khalid.aziz@oracle.com designates 156.151.31.86 as permitted sender) smtp.mailfrom=khalid.aziz@oracle.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x1EJrseS067506; Thu, 14 Feb 2019 19:58:58 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2018-07-02; bh=UodKr1fXU4B03KwJD9SdR+UIiFpP5cWdJfx+zOBFFho=; b=dz2KSoaSHx5EwTIfMkUMYh75KBTt6+5VYapY90JnPP3YN45gOftu/wFTxrsPeGsbmK5h +visaHIEiAvue4Xd+4bGNgYt7lbfc+zYfOXEQzRMHKJUFxnV1tG6g65+q5tfG6aA3BpA D8TtR155ODag8FBNXzn3S6DTZiyWB6F0pJdzRGEzuSmzl9Rz9LQqmIfzNKYzbRnN9bc/ lBRUIM6Y5Oq6+T6oN6RGvDzO6uL4zNKXvnmZ+PsB2H2eDIOrR+gKGarWeP2ch5DMY2ik Od+aJaE2jMhXzYO/HAqzB74XTf11f9opBt+Bj0bQDOut39OrK+J4N+QoAE3ahIa8FFHa fg== Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp2130.oracle.com with ESMTP id 2qhrekt4hs-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 14 Feb 2019 19:58:57 +0000 Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id x1EJwus2011554 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 14 Feb 2019 19:58:56 GMT Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x1EJwuSJ018915; Thu, 14 Feb 2019 19:58:56 GMT Received: from [192.168.1.16] (/24.9.64.241) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 14 Feb 2019 19:58:56 +0000 Subject: Re: [RFC PATCH v8 03/14] mm, x86: Add support for eXclusive Page Frame Ownership (XPFO) To: Peter Zijlstra Cc: juergh@gmail.com, jsteckli@amazon.de, tycho@tycho.ws, ak@linux.intel.com, torvalds@linux-foundation.org, liran.alon@oracle.com, keescook@google.com, akpm@linux-foundation.org, mhocko@suse.com, catalin.marinas@arm.com, will.deacon@arm.com, jmorris@namei.org, konrad.wilk@oracle.com, Juerg Haefliger , deepa.srinivasan@oracle.com, chris.hyser@oracle.com, tyhicks@canonical.com, dwmw@amazon.co.uk, andrew.cooper3@citrix.com, jcm@redhat.com, boris.ostrovsky@oracle.com, kanth.ghatraju@oracle.com, joao.m.martins@oracle.com, jmattson@google.com, pradeep.vincent@oracle.com, john.haxby@oracle.com, tglx@linutronix.de, kirill.shutemov@linux.intel.com, hch@lst.de, steven.sistare@oracle.com, labbott@redhat.com, luto@kernel.org, dave.hansen@intel.com, kernel-hardening@lists.openwall.com, linux-mm@kvack.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Marco Benatto References: <8275de2a7e6b72d19b1cd2ec5d71a42c2c7dd6c5.1550088114.git.khalid.aziz@oracle.com> <20190214105631.GJ32494@hirez.programming.kicks-ass.net> <20190214190803.GQ32477@hirez.programming.kicks-ass.net> From: Khalid Aziz Organization: Oracle Corp Message-ID: <3b55fb25-9571-2208-4e04-052cd6dd4fee@oracle.com> Date: Thu, 14 Feb 2019 12:58:53 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <20190214190803.GQ32477@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9167 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1902140133 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 2/14/19 12:08 PM, Peter Zijlstra wrote: > On Thu, Feb 14, 2019 at 10:13:54AM -0700, Khalid Aziz wrote: >=20 >> Patch 11 ("xpfo, mm: remove dependency on CONFIG_PAGE_EXTENSION") clea= ns >> all this up. If the original authors of these two patches, Juerg >> Haefliger and Julian Stecklina, are ok with it, I would like to combin= e >> the two patches in one. >=20 > Don't preserve broken patches because of different authorship or > whatever. >=20 > If you care you can say things like: >=20 > Based-on-code-from: > Co-developed-by: > Originally-from: >=20 > or whatever other things there are. But individual patches should be > correct and complete. >=20 That sounds reasonable. I will merge these two patches in the next versio= n. Thanks, Khalid