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Mon, 02 Nov 2020 04:31:21 -0500 X-MC-Unique: xXcE_EO7NHiRYqvQ1uKZrQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7C795107AFD3; Mon, 2 Nov 2020 09:31:17 +0000 (UTC) Received: from [10.36.113.163] (ovpn-113-163.ams2.redhat.com [10.36.113.163]) by smtp.corp.redhat.com (Postfix) with ESMTP id 752BE6EF5A; Mon, 2 Nov 2020 09:31:10 +0000 (UTC) Subject: Re: [PATCH v6 0/6] mm: introduce memfd_secret system call to create "secret" memory areas From: David Hildenbrand To: Mike Rapoport , Andrew Morton References: <20200924132904.1391-1-rppt@kernel.org> <9c38ac3b-c677-6a87-ce82-ec53b69eaf71@redhat.com> Organization: Red Hat GmbH Message-ID: <0f095c22-4a3a-3213-a853-c1c859c357e2@redhat.com> Date: Mon, 2 Nov 2020 10:31:09 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <9c38ac3b-c677-6a87-ce82-ec53b69eaf71@redhat.com> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201102_043127_012847_420718D9 X-CRM114-Status: GOOD ( 19.55 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Peter Zijlstra , Catalin Marinas , Dave Hansen , linux-mm@kvack.org, Will Deacon , linux-kselftest@vger.kernel.org, "H. Peter Anvin" , Christopher Lameter , Idan Yaniv , Dan Williams , Elena Reshetova , linux-arch@vger.kernel.org, Tycho Andersen , linux-nvdimm@lists.01.org, Shuah Khan , x86@kernel.org, Matthew Wilcox , Mike Rapoport , Ingo Molnar , Michael Kerrisk , Arnd Bergmann , James Bottomley , Borislav Petkov , Alexander Viro , Andy Lutomirski , Paul Walmsley , "Kirill A. Shutemov" , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Palmer Dabbelt , linux-fsdevel@vger.kernel.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 02.11.20 10:11, David Hildenbrand wrote: > On 24.09.20 15:28, Mike Rapoport wrote: >> From: Mike Rapoport >> >> Hi, >> >> 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. > > Hi Mike, > > I'd like to stress again that I'd prefer *any* secretmem allocations > going via CMA as long as these pages are unmovable. The user can > allocate a non-significant amount of unmovable allocations only fenced lol, "non-neglectable" or "significant". Guess I need another coffee :) -- Thanks, David / dhildenb _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv