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bh=QTIslLGVR80/YBWG3BrcrQWk6xTsRm0LU7GiE5OratE=; b=gP3gLs1DRSBZpinGtCAnv+IBY90X0UNYF2RyHwqlK0fDCEMv+aoPjCWYg573JEWU4muVqi 7remX9yIJPXTMxSwZtRVnmPeN0t/+1E8a+xR+Wx6rW2yK3xqeOhT+advt69fm41tWNcq0W 5qMvSIgqh2fbddTV/lrjHO3E7MgGH7Y= Date: Fri, 24 Feb 2023 19:33:50 +0100 From: Borislav Petkov To: "Edgecombe, Rick P" Cc: "david@redhat.com" , "bsingharora@gmail.com" , "hpa@zytor.com" , "Syromiatnikov, Eugene" , "peterz@infradead.org" , "rdunlap@infradead.org" , "keescook@chromium.org" , "Yu, Yu-cheng" , "dave.hansen@linux.intel.com" , "kirill.shutemov@linux.intel.com" , "Eranian, Stephane" , "linux-mm@kvack.org" , "fweimer@redhat.com" , "nadav.amit@gmail.com" , "jannh@google.com" , "dethoma@microsoft.com" , "kcc@google.com" , "linux-arch@vger.kernel.org" , "pavel@ucw.cz" , "oleg@redhat.com" , "hjl.tools@gmail.com" , "Yang, Weijiang" , "Lutomirski, Andy" , "linux-doc@vger.kernel.org" , "arnd@arndb.de" , "tglx@linutronix.de" , "Schimpe, Christina" , "mike.kravetz@oracle.com" , "x86@kernel.org" , "akpm@linux-foundation.org" , "debug@rivosinc.com" , "jamorris@linux.microsoft.com" , "john.allen@amd.com" , "rppt@kernel.org" , "andrew.cooper3@citrix.com" , "mingo@redhat.com" , "corbet@lwn.net" , "linux-kernel@vger.kernel.org" , "linux-api@vger.kernel.org" , "gorcunov@gmail.com" Subject: Re: [PATCH v6 29/41] x86/shstk: Add user-mode shadow stack support Message-ID: References: <20230218211433.26859-1-rick.p.edgecombe@intel.com> <20230218211433.26859-30-rick.p.edgecombe@intel.com> <06ade29966bbb8bd47cd05b04b5523aa0d4192f0.camel@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <06ade29966bbb8bd47cd05b04b5523aa0d4192f0.camel@intel.com> X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: D7A0A1C000B X-Stat-Signature: creyj13knej1cy67ozb39ddzfbn3izwu X-Rspam-User: X-HE-Tag: 1677263641-666188 X-HE-Meta: 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 e42/lx5s /uNO14p2ZhoI7f3349IBfex4/FHCT2KA0dpD0qFrKLQtTuZlkiINW2ncYdUKHQTthQM+MgrWd3tult3afXa4O+AXQJt3gNxV2/+4ra2RVZrHEFQasZiWgVJ0S5cmxj5GirHRwHHI36SncMRHv/m/jfq0PmllE8MiJOYD12VVOwT0TgcNlSGVpwPf0fPP6QFagvNQxb0C371cp8DozmeyGxdcEKscRdBoXkTULzbUnVy0o+NOQbn+A3q1PIw/D4CVQ/W1gelEWBD8RlZYFmPueFawgPh5rlXT6GltDBAUyYL/auAZ7k2nOYtbmLA== 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: On Fri, Feb 24, 2023 at 06:25:57PM +0000, Edgecombe, Rick P wrote: > I'll add a little more info in the commit log about this. Thanks. And I can't do anything but agree with the train of thought you guys are having - 32-bit is a dead horse and we should stop trying to revive it. :-) -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette