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=-7.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 3807CC43461 for ; Thu, 17 Sep 2020 06:02:20 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id CCB42208E4 for ; Thu, 17 Sep 2020 06:02:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="vux4kkpH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CCB42208E4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 3E1468E0001; Thu, 17 Sep 2020 02:02:19 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3B71C6B005C; Thu, 17 Sep 2020 02:02:19 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2A6C68E0001; Thu, 17 Sep 2020 02:02:19 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0240.hostedemail.com [216.40.44.240]) by kanga.kvack.org (Postfix) with ESMTP id 163BB6B005A for ; Thu, 17 Sep 2020 02:02:19 -0400 (EDT) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id C8DD62484 for ; Thu, 17 Sep 2020 06:02:18 +0000 (UTC) X-FDA: 77271508356.25.need59_180456e27120 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin25.hostedemail.com (Postfix) with ESMTP id 88D8C1804E3A0 for ; Thu, 17 Sep 2020 06:02:18 +0000 (UTC) X-HE-Tag: need59_180456e27120 X-Filterd-Recvd-Size: 4006 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf40.hostedemail.com (Postfix) with ESMTP for ; Thu, 17 Sep 2020 06:02:17 +0000 (UTC) Received: from kernel.org (unknown [87.71.73.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A0884208A9; Thu, 17 Sep 2020 06:02:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600322537; bh=CIn6WbP0PnrQ3swBmqoXOV/7IIFuke5wts27Oqfqgg0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vux4kkpHuXcUr7JNEHn4Ta2uTVvfxtbJ9itAdl2PBkK6QyIeLEPF/IgXqabss0x27 PzEi/Ljvi7tKISYtA19lM11TCsz3Xb6kP/FhycSx/lQzYL5iW0K3kS8LlY4wG3QD8o sB0DVP4rSIY6tB2sseLZOZLHziJ/3k7brwfFikrY= Date: Thu, 17 Sep 2020 09:02:04 +0300 From: Mike Rapoport To: "Michael Kerrisk (man-pages)" Cc: Andrew Morton , Alexander Viro , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christopher Lameter , Dan Williams , Dave Hansen , David Hildenbrand , Elena Reshetova , "H. Peter Anvin" , Idan Yaniv , Ingo Molnar , James Bottomley , "Kirill A. Shutemov" , Matthew Wilcox , Mark Rutland , Mike Rapoport , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , Thomas Gleixner , Tycho Andersen , Will Deacon , Linux API , linux-arch , linux-arm-kernel@lists.infradead.org, "linux-fsdevel@vger.kernel.org" , Linux-MM , lkml , linux-nvdimm@lists.01.org, linux-riscv@lists.infradead.org, "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" Subject: Re: [PATCH v5 0/5] mm: introduce memfd_secret system call to create "secret" memory areas Message-ID: <20200917060204.GO2142832@kernel.org> References: <20200916073539.3552-1-rppt@kernel.org> <20200916162020.0d68c2bd6711024cfcaa8bd7@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 88D8C1804E3A0 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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 Thu, Sep 17, 2020 at 07:46:12AM +0200, Michael Kerrisk (man-pages) wrote: > On Thu, 17 Sep 2020 at 01:20, Andrew Morton wrote: > > > > On Wed, 16 Sep 2020 10:35:34 +0300 Mike Rapoport wrote: > > > > > This is an implementation of "secret" mappings backed by a file descriptor. > > > I've dropped the boot time reservation patch for now as it is not strictly > > > required for the basic usage and can be easily added later either with or > > > without CMA. > > > > It seems early days for this, especially as regards reviewer buyin. > > But I'll toss it in there to get it some additional testing. > > > > A test suite in tools/testging/selftests/ would be helpful, especially > > for arch maintainers. > > > > I assume that user-facing manpage alterations are planned? > I was just about to write a mail into this thread when I saw this :-). > > So far, I don't think I saw a manual page patch. Mike, how about it? It is planned :) I have a draft, but I'm waiting for consensus about the uncached mappings before sending it out. -- Sincerely yours, Mike.