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Thu, 13 Feb 2025 06:20:45 -0800 (PST) MIME-Version: 1.0 References: <20250212032155.1276806-1-jeffxu@google.com> <202502121401.B6EF2D4517@keescook> In-Reply-To: <202502121401.B6EF2D4517@keescook> From: Jeff Xu Date: Thu, 13 Feb 2025 06:20:33 -0800 X-Gm-Features: AWEUYZl-9kl58flpzB7gHde-CGvyUjvurrYBhAejrmr0ps8oWaWIhTMUJXeqP18 Message-ID: Subject: Re: [RFC PATCH v5 0/7] mseal system mappings To: Kees Cook Cc: Lorenzo Stoakes , akpm@linux-foundation.org, jannh@google.com, torvalds@linux-foundation.org, vbabka@suse.cz, Liam.Howlett@oracle.com, adhemerval.zanella@linaro.org, oleg@redhat.com, avagin@gmail.com, benjamin@sipsolutions.net, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, linux-mm@kvack.org, jorgelo@chromium.org, sroettger@google.com, hch@lst.de, ojeda@kernel.org, thomas.weissschuh@linutronix.de, adobriyan@gmail.com, johannes@sipsolutions.net, pedro.falcato@gmail.com, hca@linux.ibm.com, willy@infradead.org, anna-maria@linutronix.de, mark.rutland@arm.com, linus.walleij@linaro.org, Jason@zx2c4.com, deller@gmx.de, rdunlap@infradead.org, davem@davemloft.net, peterx@redhat.com, f.fainelli@gmail.com, gerg@kernel.org, dave.hansen@linux.intel.com, mingo@kernel.org, ardb@kernel.org, mhocko@suse.com, 42.hyeyoo@gmail.com, peterz@infradead.org, ardb@google.com, enh@google.com, rientjes@google.com, groeck@chromium.org, mpe@ellerman.id.au, aleksandr.mikhalitsyn@canonical.com, mike.rapoport@gmail.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: E7C75180014 X-Stat-Signature: y68ufmhwbayhz7tam5mtxyo3ofn8nozy X-HE-Tag: 1739456446-49465 X-HE-Meta: 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 RYHCNS/k SsKnUrgv8aVgO3+//jzOCsPAjb0fnlb6NqM9a6NuRxwC2Cahwh7A9kbkey3VouYIr0eH7xt7JXu0Muj9cCcD6WX9tE2/t26bM3/jYc9lh1JUrDTyzqJMGLVPu1apM2Ub7zOYpCTW0+7ptMeXBjZYNJiGz26j0okBUIw3NcSFmUu9b+G7mbEqcD1fe+ulPuHT3SvT62eVjF+7AVvHi+8/tukiqBJ9FqiMePLxKH1p6tcF4rOS+lxyvBzsdtTcs0T3/L2jHiRH8hOYuc9MG0lbcU063yN+CbXHIntUsAAaj0GEdgYI= X-Bogosity: Ham, tests=bogofilter, spamicity=0.271832, 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, Feb 12, 2025 at 2:05=E2=80=AFPM Kees Cook wrote: > > > It'd be nice to update the documentation to have a list of 'known > > problematic userland software with sealed VDSO' so we make people aware= . > > I like this idea! Probably in mseal.rst, as the Kconfig help already > points there. > Will update mseal.rst to include the above suggestion in the next version. Thanks -Jeff > -Kees > > -- > Kees Cook