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[73.224.175.84]) by smtp.gmail.com with ESMTPSA id 00721157ae682-710f99e8f15sm9856377b3.71.2025.06.08.12.45.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Jun 2025 12:45:38 -0700 (PDT) From: Yury Norov To: linux-kernel@vger.kernel.org, Yury Norov , Rasmus Villemoes , John Stultz , Thomas Gleixner , Stephen Boyd , Andrew Morton Subject: [PATCH v2 0/3] bitmap: introduce find_random_bit() and use in clocksource Date: Sun, 8 Jun 2025 15:45:32 -0400 Message-ID: <20250608194536.28130-1-yury.norov@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Yury Norov [NVIDIA] From: Yury Norov [NVIDIA] nodemasks implement node_random(), which may also be useful for other subsystems. Generalize the function, and propagate to cpumask API. v1: https://lore.kernel.org/all/20250604212125.25656-1-yury.norov@gmail.com/ v2: - fix typos and patch #3 name format (John); - add comment for find_random_bit() (Andew); - explain single-bit optimization (Andrew); - don't include random.h in linux/nodemasks.h (me); Yury Norov [NVIDIA] (3): bitmap: generalize node_random() cpumask: introduce cpumask_random() clocksource: Improve randomness in clocksource_verify_choose_cpus() include/linux/cpumask.h | 12 ++++++++++++ include/linux/find.h | 2 ++ include/linux/nodemask.h | 17 +---------------- kernel/time/clocksource.c | 5 +---- lib/find_bit.c | 24 ++++++++++++++++++++++++ 5 files changed, 40 insertions(+), 20 deletions(-) -- 2.43.0