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[209.85.218.48]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a626cda446fsm143814666b.198.2024.05.24.08.20.19 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 24 May 2024 08:20:20 -0700 (PDT) Received: by mail-ej1-f48.google.com with SMTP id a640c23a62f3a-a5d67064885so867564466b.1 for ; Fri, 24 May 2024 08:20:19 -0700 (PDT) X-Forwarded-Encrypted: i=1; AJvYcCWhAfRt2p/CRLVsnYfBbkLQYFIqMAKzrYRk/cZljFsgFc+k2H4hPBO3hSdRekQ//0YV+DPfSNAICy4Z/IjxetQFFeZ5VB0lsJL0yJZw X-Received: by 2002:a17:907:bd1:b0:a5a:893a:a73a with SMTP id a640c23a62f3a-a62641c2e68mr221556166b.10.1716564019461; Fri, 24 May 2024 08:20:19 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240415163527.626541-1-jeffxu@chromium.org> <20240514104646.e6af4292f19b834777ec1e32@linux-foundation.org> <202405141251.8E9580E@keescook> <202405231628.BBBB9787F@keescook> <20240523165418.242555ffc2372e59f88cabbf@linux-foundation.org> In-Reply-To: <20240523165418.242555ffc2372e59f88cabbf@linux-foundation.org> From: Linus Torvalds Date: Fri, 24 May 2024 08:19:59 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v10 0/5] Introduce mseal To: Andrew Morton Cc: Kees Cook , jeffxu@chromium.org, jannh@google.com, sroettger@google.com, willy@infradead.org, gregkh@linuxfoundation.org, usama.anjum@collabora.com, corbet@lwn.net, Liam.Howlett@oracle.com, surenb@google.com, merimus@google.com, rdunlap@infradead.org, jeffxu@google.com, jorgelo@chromium.org, groeck@chromium.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, pedro.falcato@gmail.com, dave.hansen@intel.com, linux-hardening@vger.kernel.org, deraadt@openbsd.org Content-Type: text/plain; charset="UTF-8" On Thu, 23 May 2024 at 16:54, Andrew Morton wrote: > > The testing and implementation review seem OK. But from a higher-level > perspective Linus doesn't seem to be on board(?). Oh, I'm fine with mseal. I wasn't fine with the insane "m*() system calls should be atomic" discussion where Theo was just making shit up. I honestly don't think mseal() needs it either. Linus