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Tue, 09 Sep 2025 07:46:28 -0700 (PDT) MIME-Version: 1.0 References: <36c0e5e9d875addc42a73168b8090144c327ec9f.1756151769.git.maciej.wieczor-retman@intel.com> <47ip2q7fc3q2igjjjg24bl3gwlpcr5y37pahkqb63ridzj262u@augjvsnpq4kz> In-Reply-To: <47ip2q7fc3q2igjjjg24bl3gwlpcr5y37pahkqb63ridzj262u@augjvsnpq4kz> From: Andrey Konovalov Date: Tue, 9 Sep 2025 16:46:15 +0200 X-Gm-Features: AS18NWBnjU96S1X9HzwLOYnj48ud-1aT029AYj3EOfOXKk4tlcXWbWhwT0m09CU Message-ID: Subject: Re: [PATCH v5 13/19] kasan: x86: Handle int3 for inline KASAN reports To: Maciej Wieczor-Retman Cc: sohil.mehta@intel.com, baohua@kernel.org, david@redhat.com, kbingham@kernel.org, weixugc@google.com, Liam.Howlett@oracle.com, alexandre.chartre@oracle.com, kas@kernel.org, mark.rutland@arm.com, trintaeoitogc@gmail.com, axelrasmussen@google.com, yuanchu@google.com, joey.gouly@arm.com, samitolvanen@google.com, joel.granados@kernel.org, graf@amazon.com, vincenzo.frascino@arm.com, kees@kernel.org, ardb@kernel.org, thiago.bauermann@linaro.org, glider@google.com, thuth@redhat.com, kuan-ying.lee@canonical.com, pasha.tatashin@soleen.com, nick.desaulniers+lkml@gmail.com, vbabka@suse.cz, kaleshsingh@google.com, justinstitt@google.com, catalin.marinas@arm.com, alexander.shishkin@linux.intel.com, samuel.holland@sifive.com, dave.hansen@linux.intel.com, corbet@lwn.net, xin@zytor.com, dvyukov@google.com, tglx@linutronix.de, scott@os.amperecomputing.com, jason.andryuk@amd.com, morbo@google.com, nathan@kernel.org, lorenzo.stoakes@oracle.com, mingo@redhat.com, brgerst@gmail.com, kristina.martsenko@arm.com, bigeasy@linutronix.de, luto@kernel.org, jgross@suse.com, jpoimboe@kernel.org, urezki@gmail.com, mhocko@suse.com, ada.coupriediaz@arm.com, hpa@zytor.com, leitao@debian.org, peterz@infradead.org, wangkefeng.wang@huawei.com, surenb@google.com, ziy@nvidia.com, smostafa@google.com, ryabinin.a.a@gmail.com, ubizjak@gmail.com, jbohac@suse.cz, broonie@kernel.org, akpm@linux-foundation.org, guoweikang.kernel@gmail.com, rppt@kernel.org, pcc@google.com, jan.kiszka@siemens.com, nicolas.schier@linux.dev, will@kernel.org, jhubbard@nvidia.com, bp@alien8.de, x86@kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, llvm@lists.linux.dev, linux-kbuild@vger.kernel.org, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: B236B160002 X-Stat-Signature: yfe5mtki86cyxym4hbxtki1inesuc3mn X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1757429189-812661 X-HE-Meta: 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 i2cer/Oj RcDcAeH4Ob/Ai1zeuspQc/Q35FpFKs+xsYcTTagy50hy+pqkZrVq+0/v7aIz2ym9Pp8hdiWIu0YDdfxaUUPEH3NXE8mbOR8sULcP7QqUxg87HOEgMwnYFvVlLqVoo6INycGCnoqJIDAWSvDya1mP3zUQRWYXZLuRHfmBei54i9lHscs8oY07RxDRNFxvLWBxjrs8tOymNWOZ4eN7PEMOfPxl/dH6Z2wK2xIweVW3EDEuNeHMIJoWITnUy1cOLflRrdWCK5v3v/lemeS3VwZqIlHcv76WDUAgsk38QFIvPKdTUet3ieDx3pVNGT1HHVtmEzQSnUF+GaCcwHLx+RN0UMsPYCfhI5DLOJjBME/DT6aZf8oerP3rxwBdWmPhne54aiP8TavDOMMqeo28kXHFd0GYqB72lzTxGPDrXSGtjcjrKoVxU//Z/9HEBK9XiIINrHMogSLMojCxskKZj3ursoONeOBSadHhcnE3m 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 Tue, Sep 9, 2025 at 10:54=E2=80=AFAM Maciej Wieczor-Retman wrote: > > But as Peter Zijlstra noticed, x86 already uses the #UD instruction simil= arly to > BRK on arm64. So I think I'll use this one here, and then change INT3 to = UD in > the LLVM patch. Sound good, thanks!