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Tue, 20 Jan 2026 17:32:32 -0800 (PST) MIME-Version: 1.0 References: <20251211-v5_user_cfi_series-v26-0-f0f419e81ac0@rivosinc.com> In-Reply-To: From: Zong Li Date: Wed, 21 Jan 2026 09:32:20 +0800 X-Gm-Features: AZwV_QgpJ38WsQTA-JLh1W5jk7su1plcAErfmIKl7ceT3yMsB0wZBJHvBBZ5Ujw Message-ID: Subject: Re: [PATCH v26 00/28] riscv control-flow integrity for usermode To: Deepak Gupta Cc: Paul Walmsley , x86@kernel.org, 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 , Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Andreas Hindborg , Alice Ryhl , Trevor Gross , Benno Lossin , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, alistair.francis@wdc.com, richard.henderson@linaro.org, jim.shu@sifive.com, Andy Chiu , kito.cheng@sifive.com, charlie@rivosinc.com, atishp@rivosinc.com, evan@rivosinc.com, cleger@rivosinc.com, alexghiti@rivosinc.com, samitolvanen@google.com, broonie@kernel.org, rick.p.edgecombe@intel.com, rust-for-linux@vger.kernel.org, Andreas Korb , Valentin Haudiquet , Charles Mirabile , Jesse Huang Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: E532220006 X-Stat-Signature: hwud516wadqtaj81fzx4ohg1suyoh19j X-HE-Tag: 1768959153-342191 X-HE-Meta: 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 N2yTPXF7 r9OmxBdJShv9qiXkgLp186p7PpbM2BK4PpiX4WwAg1OPWvNaD/5nMN14M4r2IUSiV1d3xyUfgFM9spdtm1d9cz9DNGURoHgg+F7natA8PiAIwAqrUupnX17qDuP0jHGtb1hfVXUJBFXzkyTc= 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 Thu, Jan 8, 2026 at 11:10=E2=80=AFPM Deepak Gupta w= rote: > > Hi Paul, > > I have a bugfix for a bug reported by Jesse Huang (thanks Jesse) in riscv > implementation of `map_shadow_stack`. > > Should I send a new series or only the bugfix-patch for implementation > of `map_shadow_stack` > Hi Deepak, Not sure if I missed the bugfix patch, I couldn't find it on the mailing list. Could I know have you submitted it? If so, could you please point me where the patch is? Thanks > Let me know. Thanks. > > -Deepak > > -Deepak > > > > On Fri, Dec 12, 2025 at 10:33=E2=80=AFAM Deepak Gupta wrote: > > > > On Fri, Dec 12, 2025 at 01:30:29AM -0700, Paul Walmsley wrote: > > >On Thu, 11 Dec 2025, Deepak Gupta via B4 Relay wrote: > > > > > >> v26: CONFIG_RISCV_USER_CFI depends on CONFIG_MMU (dependency of shad= ow stack > > >> on MMU). Used b4 to pick tags, apparantly it messed up some tag pick= s. Fixing it > > > > > >Deepak: I'm now (at least) the third person to tell you to stop resend= ing > > >this entire series over and over again. > > > > To be very honest I also feel very bad doing and DOSing the lists. Sorr= y to you > > and everyone else. > > > > But I have been sitting on this patch series for last 3-4 merge windows= with > > patches being exactly same/similar. So I have been a little more than d= esperate > > to get it in. > > > > I really haven't had any meaningful feedback on patch series except sta= lling > > just before each merge window for reasons which really shouldn't stall = its > > merge. Sure that's the nature of open source development and it's maint= ainer's > > call at the end of the day. And I am new to this. I'll improve. > > > > > > > >First, a modified version of the CFI v23 series was ALREADY SITTING IN > > >LINUX-NEXT. So there's no reason you should be resending the entire > > >series, UNLESS your intention for me is to drop the entire existing se= ries > > >and wait for another merge window. > > > > > >Second: when someone asks you questions about an individual patch, and= you > > >want to answer those questions, it's NOT GOOD for you to resend the en= tire > > >28 series as the response! You are DDOSing a bunch of lists and E-mai= l > > >inboxes. Just answer the question in a single E-mail. If you want to > > >update a single patch, just send that one patch. > > > > Noted. I wasn't sure about it. I'll explicitly ask next time if you wan= t me to > > send another one. > > > > > > > >If you don't start paying attention to these rules then people are goi= ng > > >to start ignoring you -- at best! -- and it's going to give the entire > > >community a bad reputation. > > > > Even before this, this patch series has been ignored largely. I don't k= now > > how to get attention. All I wanted was either feedback or get it in. An= d as I > > said I've been desparate to get it in. Also as I said, I'll improve. > > > > > > > >Please acknowledge that you understand this, > > > > ACKed. > > > > > > > > > > >- Paul