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Wed, 20 Mar 2024 13:03:17 -0700 (PDT) MIME-Version: 1.0 References: <20240320101851.2589698-1-glider@google.com> In-Reply-To: From: Alexander Potapenko Date: Wed, 20 Mar 2024 21:02:35 +0100 Message-ID: Subject: Re: [PATCH v2 1/3] mm: kmsan: implement kmsan_memmove() To: Linus Torvalds Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com, tglx@linutronix.de, x86@kernel.org, Tetsuo Handa , Dmitry Vyukov , Marco Elver Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 81C38C0028 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: ag1dnm8y6s1dcdyztyx8rmcreebd4rb3 X-HE-Tag: 1710964998-264042 X-HE-Meta: U2FsdGVkX18MmsyRTzhoPDWl89ZImnQ4tzOQvQk6/TiuGubmnv2Xol+Mk6OJ1rUXJbV9DYJf5eKj9za7QPBv7r3c70bx14i4Cx/UFpU552BfIP4xXklXCdxgn7HhZ70wwpMJHnL8I0AVODLB6tLZFlbov4eFpAzMDbagO3j9SHhQOqmkNpj7XlaFWC1H81X2mjQIkIrFtUb2ZK7tPauLpdcPr9RPJf8hZevK0gkwEfmo+JbIJSiArL/OnOA/v+2kKFfyIrkeCH44kazYtoElM/6/JAJ2fKsKliRuwYmZg5RyyHKiokeGLPPC90SNqPuTpRZwsUs0Y0ZixryGY4p1B4ss9FTWZ8am+g88xXopatq3tRlQJlABFKVV/zUTfxAd7i0ThbpQC/2Ck6eM4iR44AS9y3JG22eD80aMEIE1tCcTk4e0pwTFKgY+YtMKzmMZRQtZGLFn9FsSbRnoPWk37LQkBCgsO5MAPZkH7/G9PqyC9GhP6W/+b2UjLU0mBZZoeO4CE07RZ6jpXqoNKCsgFR3atvZrxE/ZzWiyNmoD4lbx39vXCxwT2HfBOWTDJ0ysM6m4GUacHWoLDxmGtwSomHC2jUfzYUGwgBEQGcDaRPkSXRRMw0bPxgrhJ1ry3MJ/UA4OoOh5KlP6lxIHTlbiHGVU6cHvISvW5ZUmCjrZZBr8OahHBaJ0Q94jis3CovZrrlpeH1ime09BBaWwUYQW5sO5Sn8Q7x461syzMF+xuBesl8xXY00Wgclc7be79xss4gYQdoO8+dylX5Ekncde2of6Gt3pnjEjkqIjKM9aPESqt5sVfDqPnj+4OI/1Y55NDIt7ngP/XCCIonKdrml7/AM/nQH+g3xhZdOADflwpacIITaPG56cb81o03EmawiyryPhbRsL/OCyTBm7uGTjospLk1WeuVREPnOo95kMxiJG86cTV9SiUzHKDaSvP2p2XtMmGrDXiA9AbQe0QU2 Psw4xyU7 8YRApm7GbCQzMsX4leW/TdvoVEYqLuUQaBikgzSOA0C3GEhU= 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: List-Subscribe: List-Unsubscribe: On Wed, Mar 20, 2024 at 5:05=E2=80=AFPM Linus Torvalds wrote: > > On Wed, 20 Mar 2024 at 03:18, Alexander Potapenko wro= te: > > > > Provide a hook that can be used by custom memcpy implementations to tel= l > > KMSAN that the metadata needs to be copied. Without that, false positiv= e > > reports are possible in the cases where KMSAN fails to intercept memory > > initialization. > > Thanks, the series looks fine to me now with the updated 3/3. > > I assume it will go through Andrew's -mm tree? > > Linus Yes, I think this makes the most sense.