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 1A022C433E2 for ; Thu, 17 Sep 2020 06:10:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D521820684 for ; Thu, 17 Sep 2020 06:10:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600323041; bh=CIn6WbP0PnrQ3swBmqoXOV/7IIFuke5wts27Oqfqgg0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=LlerVA0vSySqcYXlhjyAzGKf7CB2rxXcWpQ47CK77NT5BUS8p+fPd9DnWeCnDowN5 xxHKjC22HdCL8cvrfcm13RJ0MV+0hwlURKI+2mg2A3wkUVJau0xBBy48hxdmi/UpEt 6pY7iLedYhq46BX82cNG3c6Uu4T522UpizrQ4e1M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726244AbgIQGKe (ORCPT ); Thu, 17 Sep 2020 02:10:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:40432 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726112AbgIQGKc (ORCPT ); Thu, 17 Sep 2020 02:10:32 -0400 X-Greylist: delayed 564 seconds by postgrey-1.27 at vger.kernel.org; Thu, 17 Sep 2020 02:10:30 EDT 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: Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org 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.