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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/mmu_notifiers: Use hlist_for_each_entry_srcu() for SRCU list traversal Date: Wed, 4 Feb 2026 17:46:49 -0800 Message-ID: <20260205014650.68624-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260204080937.2472-1-lirongqing@baidu.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: E74AA18000A X-Stat-Signature: 6jr6jw1bxrdb5dgtcqqbhzz651k8h8dq X-Rspam-User: X-HE-Tag: 1770256013-781669 X-HE-Meta: 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 kMlnbb7z xXMGl8xCzBcjVs4nWtUcWOK961Jf5NpZgWUIIfYT1MFBhrcajkJenw6xWH2EG5BVlyT4h470KVAD4oeYKg5bLfRZZOT8hww3d2zShRxqrdVclcvhiCo4o1vAQApiuDztKZreCt4T0WIrJzOpmAgauqs01E5t+rXzJY8f6IhuxPOnCjon0p9j4bdIFA9FmGg+dNJIamt34P1EwGgNi5Bz0Qb4HsAoPco+kodoUjoBm8VhA1XTHzGiQIDtW/7J/B5IfSKkpWfWunLTkS94= 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 Wed, 4 Feb 2026 03:09:37 -0500 lirongqing wrote: > From: Li RongQing > > The mmu_notifier_subscriptions list is protected by SRCU. While the > current code uses hlist_for_each_entry_rcu() with an explicit SRCU > lockdep check, it is more appropriate to use the dedicated > hlist_for_each_entry_srcu() macro. > > This change aligns the code with the preferred kernel API for SRCU-protected > lists, improving code clarity and ensuring that the synchronization > method is explicitly documented by the iterator name itself. > > Signed-off-by: Li RongQing Acked-by: SeongJae Park Thanks, SJ [...]