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 X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5FB58C433E0 for ; Thu, 6 Aug 2020 11:11:30 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 69C3722D00 for ; Thu, 6 Aug 2020 11:11:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 69C3722D00 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id BEB1F6B0008; Thu, 6 Aug 2020 07:11:29 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B9B2E6B000D; Thu, 6 Aug 2020 07:11:29 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AB3DA6B0023; Thu, 6 Aug 2020 07:11:29 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0146.hostedemail.com [216.40.44.146]) by kanga.kvack.org (Postfix) with ESMTP id 961196B0008 for ; Thu, 6 Aug 2020 07:11:29 -0400 (EDT) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 1F7312C0D for ; Thu, 6 Aug 2020 11:11:29 +0000 (UTC) X-FDA: 77119877898.17.trail13_1b178aa26fb7 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin17.hostedemail.com (Postfix) with ESMTP id E218E180D0180 for ; Thu, 6 Aug 2020 11:11:28 +0000 (UTC) X-HE-Tag: trail13_1b178aa26fb7 X-Filterd-Recvd-Size: 5344 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by imf37.hostedemail.com (Postfix) with ESMTP for ; Thu, 6 Aug 2020 11:11:28 +0000 (UTC) Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 076B27hF073142; Thu, 6 Aug 2020 07:11:14 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 32rfvv9d7h-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 06 Aug 2020 07:11:14 -0400 Received: from m0098393.ppops.net (m0098393.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 076B6D04086959; Thu, 6 Aug 2020 07:11:13 -0400 Received: from ppma04fra.de.ibm.com (6a.4a.5195.ip4.static.sl-reverse.com [149.81.74.106]) by mx0a-001b2d01.pphosted.com with ESMTP id 32rfvv9d6j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 06 Aug 2020 07:11:13 -0400 Received: from pps.filterd (ppma04fra.de.ibm.com [127.0.0.1]) by ppma04fra.de.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 076BAWFJ024047; Thu, 6 Aug 2020 11:11:10 GMT Received: from b06cxnps4076.portsmouth.uk.ibm.com (d06relay13.portsmouth.uk.ibm.com [9.149.109.198]) by ppma04fra.de.ibm.com with ESMTP id 32n018b9k5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 06 Aug 2020 11:11:10 +0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 076BB82e21496274 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 6 Aug 2020 11:11:08 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 49BE211C052; Thu, 6 Aug 2020 11:11:08 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EFE8111C050; Thu, 6 Aug 2020 11:11:04 +0000 (GMT) Received: from linux.ibm.com (unknown [9.145.24.39]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Thu, 6 Aug 2020 11:11:04 +0000 (GMT) Date: Thu, 6 Aug 2020 14:11:02 +0300 From: Mike Rapoport To: Randy Dunlap Cc: Mike Rapoport , linux-kernel@vger.kernel.org, Alexander Viro , Andrew Morton , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christopher Lameter , Dan Williams , Dave Hansen , Elena Reshetova , "H. Peter Anvin" , Idan Yaniv , Ingo Molnar , James Bottomley , "Kirill A. Shutemov" , Matthew Wilcox , Mark Rutland , Michael Kerrisk , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , Thomas Gleixner , Tycho Andersen , Will Deacon , linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@lists.01.org, linux-riscv@lists.infradead.org, x86@kernel.org Subject: Re: [PATCH v3 3/6] mm: introduce memfd_secret system call to create "secret" memory areas Message-ID: <20200806111102.GK163101@linux.ibm.com> References: <20200804095035.18778-1-rppt@kernel.org> <20200804095035.18778-4-rppt@kernel.org> <1f52d43e-29e4-b175-73d5-0aa3c3e79f23@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1f52d43e-29e4-b175-73d5-0aa3c3e79f23@infradead.org> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-08-06_06:2020-08-06,2020-08-06 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 adultscore=0 mlxlogscore=935 suspectscore=1 clxscore=1015 impostorscore=0 mlxscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2008060075 X-Rspamd-Queue-Id: E218E180D0180 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 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 Wed, Aug 05, 2020 at 06:05:18AM -0700, Randy Dunlap wrote: > On 8/4/20 2:50 AM, Mike Rapoport wrote: > > diff --git a/mm/Kconfig b/mm/Kconfig > > index f2104cc0d35c..8378175e72a4 100644 > > --- a/mm/Kconfig > > +++ b/mm/Kconfig > > @@ -872,4 +872,8 @@ config ARCH_HAS_HUGEPD > > config MAPPING_DIRTY_HELPERS > > bool > > > > +config SECRETMEM > > + def_bool ARCH_HAS_SET_DIRECT_MAP && !EMBEDDED > > use tab above, not spaces. Will fix. > > + select GENERIC_ALLOCATOR > > + > > endmenu > > > -- > ~Randy > -- Sincerely yours, Mike.