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Wed, 8 Oct 2025 06:12:29 -0400 (EDT) Date: Wed, 8 Oct 2025 21:12:24 +1100 (AEDT) From: Finn Thain To: Lance Yang cc: Andrew Morton , Geert Uytterhoeven , Eero Tamminen , Kent Overstreet , amaindex@outlook.com, anna.schumaker@oracle.com, boqun.feng@gmail.com, ioworker0@gmail.com, joel.granados@kernel.org, jstultz@google.com, leonylgao@tencent.com, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, longman@redhat.com, mhiramat@kernel.org, mingo@redhat.com, mingzhe.yang@ly.com, peterz@infradead.org, rostedt@goodmis.org, senozhatsky@chromium.org, tfiga@chromium.org, will@kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v2 1/1] hung_task: fix warnings caused by unaligned lock pointers In-Reply-To: <2bd2c4a8-456e-426a-aece-6d21afe80643@linux.dev> Message-ID: References: <20250909145243.17119-1-lance.yang@linux.dev> <99410857-0e72-23e4-c60f-dea96427b85a@linux-m68k.org> <20251007135600.6fc4a031c60b1384dffaead1@linux-foundation.org> <56784853-b653-4587-b850-b03359306366@linux.dev> <693a62e0-a2b5-113b-d5d9-ffb7f2521d6c@linux-m68k.org> <23b67f9d-20ff-4302-810c-bf2d77c52c63@linux.dev> <2bd2c4a8-456e-426a-aece-6d21afe80643@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii On Wed, 8 Oct 2025, Lance Yang wrote: > > In other words, we are not just fixing the bug reported by Eero and > Geert, but correcting the blocker tracking mechanism's flawed assumption > for -stable ;) > > If you feel this doesn't qualify as a fix, I can change the Fixes: tag > to point to the original commit that introduced this flawed mechanism > instead. > That's really a question for the bug reporters. I don't personally have a problem with CONFIG_DETECT_HUNG_TASK_BLOCKER so I can't say whether the fix meets the requirements set in Documentation/process/stable-kernel-rules.rst. And I still don't know what's meant by "unnecessary warnings in a few unexpected cases".