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Message-ID: <b3508782e1304074b4b43040be2d1f1b@AcuMS.aculab.com> Date: Thu, 19 Oct 2023 09:19:29 +0000 From: David Laight <David.Laight@...LAB.COM> To: "'jeffxu@...omium.org'" <jeffxu@...omium.org>, "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>, "keescook@...omium.org" <keescook@...omium.org>, "jannh@...gle.com" <jannh@...gle.com>, "sroettger@...gle.com" <sroettger@...gle.com>, "willy@...radead.org" <willy@...radead.org>, "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>, "torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org> CC: "jeffxu@...gle.com" <jeffxu@...gle.com>, "jorgelo@...omium.org" <jorgelo@...omium.org>, "groeck@...omium.org" <groeck@...omium.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>, "linux-mm@...ck.org" <linux-mm@...ck.org>, "surenb@...gle.com" <surenb@...gle.com>, "alex.sierra@....com" <alex.sierra@....com>, "apopple@...dia.com" <apopple@...dia.com>, "aneesh.kumar@...ux.ibm.com" <aneesh.kumar@...ux.ibm.com>, "axelrasmussen@...gle.com" <axelrasmussen@...gle.com>, "ben@...adent.org.uk" <ben@...adent.org.uk>, "catalin.marinas@....com" <catalin.marinas@....com>, "david@...hat.com" <david@...hat.com>, "dwmw@...zon.co.uk" <dwmw@...zon.co.uk>, "ying.huang@...el.com" <ying.huang@...el.com>, "hughd@...gle.com" <hughd@...gle.com>, "joey.gouly@....com" <joey.gouly@....com>, "corbet@....net" <corbet@....net>, "wangkefeng.wang@...wei.com" <wangkefeng.wang@...wei.com>, "Liam.Howlett@...cle.com" <Liam.Howlett@...cle.com>, "lstoakes@...il.com" <lstoakes@...il.com>, "mawupeng1@...wei.com" <mawupeng1@...wei.com>, "linmiaohe@...wei.com" <linmiaohe@...wei.com>, "namit@...are.com" <namit@...are.com>, "peterx@...hat.com" <peterx@...hat.com>, "peterz@...radead.org" <peterz@...radead.org>, "ryan.roberts@....com" <ryan.roberts@....com>, "shr@...kernel.io" <shr@...kernel.io>, "vbabka@...e.cz" <vbabka@...e.cz>, "xiujianfeng@...wei.com" <xiujianfeng@...wei.com>, "yu.ma@...el.com" <yu.ma@...el.com>, "zhangpeng362@...wei.com" <zhangpeng362@...wei.com>, "dave.hansen@...el.com" <dave.hansen@...el.com>, "luto@...nel.org" <luto@...nel.org>, "linux-hardening@...r.kernel.org" <linux-hardening@...r.kernel.org> Subject: RE: [RFC PATCH v2 0/8] Introduce mseal() syscall From: jeffxu@...omium.org > Sent: 17 October 2023 10:08 > > This patchset proposes a new mseal() syscall for the Linux kernel. I'm sure you can give it a better name, there isn't a 6 character limit on identifiers! FWIW you could also use mprotect(addr, len, IMMUTABLE); David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
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