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Donenfeld" , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthew Wilcox , Peter Zijlstra , Ingo Molnar , Will Deacon , Boqun Feng , Waiman Long , Dennis Zhou , Tejun Heo , Christoph Lameter , "Paul E. McKenney" , Frederic Weisbecker , Neeraj Upadhyay , Joel Fernandes , Josh Triplett , Uladzislau Rezki , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , Zqiang , Onur =?utf-8?Q?=C3=96zkan?= , Kees Cook , Joel Granados , Anna-Maria Behnsen , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Valentin Schneider , K Prateek Nayak , Mike Rapoport , "Liam R. Howlett" , Lorenzo Stoakes , Vlastimil Babka , Jann Horn , Pedro Falcato , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , Eugenio =?utf-8?Q?P=C3=A9rez?= , Sebastian Andrzej Siewior , Clark Williams , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, wireguard@lists.zx2c4.com, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, rcu@vger.kernel.org, virtualization@lists.linux.dev, linux-rt-devel@lists.linux.dev, llvm@lists.linux.dev, Yury Norov Subject: Re: [PATCH 12/17] timers: assert static storage for DEFINE_TIMER() In-Reply-To: <20260915031334.1194975-7-ynorov@nvidia.com> References: <20260915030336.1192299-1-ynorov@nvidia.com> <20260915031334.1194975-7-ynorov@nvidia.com> Date: Tue, 29 Sep 2026 20:50:15 +0200 Message-ID: <87o6dfj3iw.ffs@fw13> MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Server: rspam06 X-Stat-Signature: hyjtd8tbn1z9ic8pma4cmnucrzir5khs X-Rspam-User: X-Rspamd-Queue-Id: AB66510000C X-HE-Tag: 1790707819-57281 X-HE-Meta: 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 cZF/QFhL n7du3YkLwuldDozljEKkriMJ8zk+7cFlO4jkVKjxaPSZkyK+DfS0ZydTyIV6gnwpXYYOUg8zOysOkbDjfoX3GjjI4HEqCciGQPckScPBOzvAUaBpMG5t4Xz4GBv6viRnqSZPCmKzlvF4cFIccvoTNWHpjfAaaNZRljxKSuuuD5HoduvTiCZmDdfdNBU5OcNBPHIVI9Mp1XYRWX+G5kFTxeeuoHFLmk0ktKUXQhpbqcp6rT9dYK962Vf0RZCLrLfmBtQAQPw5+kC+14AK3fha2lQE5znupgynTHmY5cJ35I1WajHDwudYMgMEk4JHNACWnu6Ix0DkeZjmesbYyv4/3zSFRINepGaGDfnUjEwMB2DhtpIpP/BN4b+cfLDXiQbb0x8WK38eAYCUzLWsoFJs2zxbVZrntvxkwAfDFOXxq0JAitzSZ8hqQPInGMoaM8V6lt6iM/BK6iW7QgdI= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Sep 14 2026 at 23:13, Yury Norov wrote: > DEFINE_TIMER() marks a timer as statically initialized for debugobjects. > An automatic local timer instead needs timer_setup_on_stack() and the > corresponding on-stack destruction before leaving scope. > > Add ASSERT_STATIC_STORAGE() to catch automatic declarations at compile > time. The timer lockdep key is already static; this check enforces the > debugobjects storage contract. Leave __TIMER_INITIALIZER() unchanged. > > Assisted-by: OpenAI Codex > Signed-off-by: Yury Norov Reviewed-by: Thomas Gleixner