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b=PzeAP3xR5Revl4EJY+aRrDdCoPXrPAervQ6D4Z992Jx1etThQtrw3iRtovmZASb9S nMlxjGGLFwvcHNdQjcasjLy1YRLE4siQS92eU9V/jcOyEUkrh2zHahw6vGoac8l4LH ny90SeLv/uSnkb7/Z6Ws9RddYuchgjQG69Q/HzViwBRruvQzADjhENSq+IoFv3QXIx l+GnvhWl5P+BH7tOTh3wx8vHDjJYqZxe1N0mRR/S3wbEfJXZS4L+7btN2D7xMapHnr eNjMyRhUsTuT9egrf0eDeqH7IrJEnlGs3PAR3uXUUHy9i08eguYdb8/nqRXmwMWZ12 FlBUKVynk/F7w== Date: Mon, 3 Mar 2025 08:38:37 -0800 From: Kees Cook To: jeffxu@chromium.org Cc: akpm@linux-foundation.org, jannh@google.com, torvalds@linux-foundation.org, vbabka@suse.cz, lorenzo.stoakes@oracle.com, 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, linux-kselftest@vger.kernel.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 Subject: Re: [PATCH v8 3/7] mseal sysmap: enable x86-64 Message-ID: <202503030838.E05CCEC78@keescook> References: <20250303050921.3033083-1-jeffxu@google.com> <20250303050921.3033083-4-jeffxu@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250303050921.3033083-4-jeffxu@google.com> X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 662FD2000E X-Stat-Signature: 6imysi6bkdhygu57hy3s1k9dkimjuz19 X-HE-Tag: 1741019922-686867 X-HE-Meta: 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 8stL+jf2 EeTPptokwbUoxSzrJOjMbukGuYznVHjjsZRAXefinYHjoBBnm7nl0M8io0ffng6XVh0uQCfE1TnGj0IwkTuyN85KDNIeu3XPbKcVjSdoUcI6afIHyX/6+Q/mQXYCL8oWT1VarZ3UxLh4Db21DsywKneWRVxwy5aCnwqQ3pQhBzuTC2bBpxGti3bWIchVh9WhKOrdBUbNa+Z4w41S8sRIWsTuqWG9sw/CO/k0xIdkaHSVZCSF1xEgW3SoP3mwFpWBB2+whAXQCzSdFGFXeECgpPrm2hcGl5vdTyMwTRmGZZbtzMIKU9rYt65GwEBsITpWUD3HjW5Ie/TLj0isAmuiNLMf5mnpJjKZ9GOVITem/lIHkKlrPR/V85lfJsw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000120, 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 Mon, Mar 03, 2025 at 05:09:17AM +0000, jeffxu@chromium.org wrote: > From: Jeff Xu > > Provide support for CONFIG_MSEAL_SYSTEM_MAPPINGS on x86-64, > covering the vdso, vvar, vvar_vclock. > > Production release testing passes on Android and Chrome OS. > > Signed-off-by: Jeff Xu Short and to the point. :) Reviewed-by: Kees Cook -- Kees Cook