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[89.103.73.235]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3997f9b260fsm1585165f8f.43.2025.03.21.00.31.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Mar 2025 00:31:44 -0700 (PDT) Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Fri, 21 Mar 2025 08:31:43 +0100 Message-Id: Subject: Re: [PATCH v12 23/28] riscv: kernel command line option to opt out of user cfi Cc: "Thomas Gleixner" , "Ingo Molnar" , "Borislav Petkov" , "Dave Hansen" , , "H. Peter Anvin" , "Andrew Morton" , "Liam R. Howlett" , "Vlastimil Babka" , "Lorenzo Stoakes" , "Paul Walmsley" , "Palmer Dabbelt" , "Albert Ou" , "Conor Dooley" , "Rob Herring" , "Krzysztof Kozlowski" , "Arnd Bergmann" , "Christian Brauner" , "Peter Zijlstra" , "Oleg Nesterov" , "Eric Biederman" , "Kees Cook" , "Jonathan Corbet" , "Shuah Khan" , "Jann Horn" , "Conor Dooley" , , , , , , , , , , , , , , , , , , , , , , "linux-riscv" To: "Deepak Gupta" From: =?utf-8?q?Radim_Kr=C4=8Dm=C3=A1=C5=99?= References: <20250314-v5_user_cfi_series-v12-0-e51202b53138@rivosinc.com> <20250314-v5_user_cfi_series-v12-23-e51202b53138@rivosinc.com> In-Reply-To: X-Rspamd-Queue-Id: 3D54880004 X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: kwdm8oknqnwb1yi7ecxtrf5rwyfbmec8 X-HE-Tag: 1742542306-120761 X-HE-Meta: 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 BOyNfOyF 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 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: 2025-03-20T15:31:09-07:00, Deepak Gupta : > On Thu, Mar 20, 2025 at 2:35=E2=80=AFPM Radim Kr=C4=8Dm=C3=A1=C5=99 wrote: >> 2025-03-14T14:39:42-07:00, Deepak Gupta : >> > +__setup("disable_riscv_usercfi=3D", setup_global_riscv_enable); >> >> I'd prefer two command line options instead. > > One for zicfilp and one for zicfiss ? Yes. I don't want to suggest the naming, because I would have used "nousercfi" without an argument for the current one.