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[209.85.218.43]) by smtp.gmail.com with ESMTPSA id fi5-20020a170906da0500b00965d294e633sm6991302ejb.58.2023.06.13.11.28.24 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Jun 2023 11:28:25 -0700 (PDT) Received: by mail-ej1-f43.google.com with SMTP id a640c23a62f3a-977d0ee1736so825727366b.0 for ; Tue, 13 Jun 2023 11:28:24 -0700 (PDT) X-Received: by 2002:a19:3819:0:b0:4f7:457e:a457 with SMTP id f25-20020a193819000000b004f7457ea457mr3476722lfa.53.1686680882933; Tue, 13 Jun 2023 11:28:02 -0700 (PDT) MIME-Version: 1.0 References: <20230613001108.3040476-1-rick.p.edgecombe@intel.com> In-Reply-To: From: Linus Torvalds Date: Tue, 13 Jun 2023 11:27:45 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v9 00/42] Shadow stacks for userspace To: "Edgecombe, Rick P" Cc: "akpm@linux-foundation.org" , "tglx@linutronix.de" , "linux-arch@vger.kernel.org" , "kcc@google.com" , "Lutomirski, Andy" , "nadav.amit@gmail.com" , "kirill.shutemov@linux.intel.com" , "david@redhat.com" , "Schimpe, Christina" , "peterz@infradead.org" , "corbet@lwn.net" , "linux-kernel@vger.kernel.org" , "jannh@google.com" , "dethoma@microsoft.com" , "broonie@kernel.org" , "mike.kravetz@oracle.com" , "pavel@ucw.cz" , "bp@alien8.de" , "rdunlap@infradead.org" , "linux-api@vger.kernel.org" , "john.allen@amd.com" , "arnd@arndb.de" , "jamorris@linux.microsoft.com" , "rppt@kernel.org" , "bsingharora@gmail.com" , "x86@kernel.org" , "oleg@redhat.com" , "fweimer@redhat.com" , "keescook@chromium.org" , "gorcunov@gmail.com" , "andrew.cooper3@citrix.com" , "hpa@zytor.com" , "mingo@redhat.com" , "szabolcs.nagy@arm.com" , "hjl.tools@gmail.com" , "debug@rivosinc.com" , "linux-mm@kvack.org" , "Syromiatnikov, Eugene" , "Yang, Weijiang" , "linux-doc@vger.kernel.org" , "dave.hansen@linux.intel.com" , "Eranian, Stephane" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Stat-Signature: cmxhn7wdypdp3qfcreif33qc37pqnjpd X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: E6A9F14001D X-HE-Tag: 1686680907-46342 X-HE-Meta: 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 WhYNZC84 ww2eZwvLmGp+4YULMWNChFPNhT0ULyLg27idgoed50IyFsFM27jFMF+Y+hnKAkmhDsh1J1/Q+gGnIqXxkYG9QmE6Yerh/SWRLe3t6s09/g7XmjdpO39enlg8nMgMjBgdDso+iMDX97Hz1OY6kHPuF8E4Tq/NtRyDxnNjpdUhJESLMAd9Wo6S3/DFsBIQRafCOAzaxLlWkdhjIcmiLrj88sEE3kjrl4Azx4cJwAd5/JlliEBlKglLM+Po8QxSZDA2nyMAmv/hjPk/le+F66k1mkPYb7eOrDB2kIO0RgH76WWWJEegqDH09svXczXDg5dXgoxv1YwiVhT6VoqZyU/s09CX1xF6Ac6+wmAhzMKwPBBlR4pkpbwz8PGS7VUj3xi+FiKDInTZjroSrM4LICPbWOep3uLJ+k5/X5qHHrW2dtBgwZjRPPCYnNXnOtDxO7/+VcdqRKuiX3EWQVCJUuZ9z+u9knYTkg9/O8KTHsDfHnk9czjVjrnVawzqRHpkUyX3y9hwbUnkHcEPPaYBXvVvGhTPhja+qluwRZUrdvvubybPGbL5kNRYIXnxuJ4WHIifhTbVnjAMQXxMIex7rA0yvnarkPDkcZzA/a3DMTPyOd9R0VeHXNcodJAzmC3hcekDxBU3pTpQiF66kO1vc7b6PIUO2Ea6y2zF4YMeW35vmcBaCFSk= 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 Tue, Jun 13, 2023 at 10:44=E2=80=AFAM Linus Torvalds wrote: > > Anyway, I'm scanning through it right now. No comments yet, I only > just got started. Well, it all looked fine from a quick scan. One small comment, and even that was just a minor stylistic nit. I didn't actually look through the x86 state infrastructure side - I'll just trust that is fine, and it doesn't interact with anything else, so I don't really worry about it. I mainly care about the VM side not causing problems, and the changes on that side all looked fine. Linus