From: Yury Norov <yury.norov@gmail.com>
To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org
Cc: Yury Norov <yury.norov@gmail.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Charlie Jenkins <charlie@rivosinc.com>,
Alexandre Ghiti <alexghiti@rivosinc.com>,
Samuel Holland <samuel.holland@sifive.com>,
Anup Patel <anup@brainfault.org>
Subject: [PATCH 2/4] cpumask: add non-atomic __assign_cpu()
Date: Wed, 12 Mar 2025 22:19:50 -0400 [thread overview]
Message-ID: <20250313021953.86035-3-yury.norov@gmail.com> (raw)
In-Reply-To: <20250313021953.86035-1-yury.norov@gmail.com>
Similarly to atomic, add a non-atomic version.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
---
include/linux/cpumask.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 9289d4612170..f8caa025c6bb 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -1074,6 +1074,9 @@ void init_cpu_possible(const struct cpumask *src);
#define assign_cpu(cpu, mask, val) \
assign_bit(cpumask_check(cpu), cpumask_bits(mask), (val))
+#define __assign_cpu(cpu, mask, val) \
+ __assign_bit(cpumask_check(cpu), cpumask_bits(mask), (val))
+
#define set_cpu_possible(cpu, possible) assign_cpu((cpu), &__cpu_possible_mask, (possible))
#define set_cpu_enabled(cpu, enabled) assign_cpu((cpu), &__cpu_enabled_mask, (enabled))
#define set_cpu_present(cpu, present) assign_cpu((cpu), &__cpu_present_mask, (present))
--
2.43.0
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next prev parent reply other threads:[~2025-03-13 2:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-13 2:19 [PATCH 0/4] cleanup dead code in nodemasks and cpumasks Yury Norov
2025-03-13 2:19 ` [PATCH 1/4] nodemask: drop nodes_shift Yury Norov
2025-03-13 2:19 ` Yury Norov [this message]
2025-03-13 2:19 ` [PATCH 3/4] riscv: switch set_icache_stale_mask() to using non-atomic assign_cpu() Yury Norov
2025-03-13 2:19 ` [PATCH 4/4] cpumask: drop cpumask_assign_cpu() Yury Norov
2025-03-24 15:02 ` [PATCH 0/4] cleanup dead code in nodemasks and cpumasks Yury Norov
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