[PATCH v11 4/4] cpumask: Add assign cpu
From: Charlie Jenkins <hidden>
Date: 2024-02-12 23:36:37
Also in:
linux-riscv, lkml
Subsystem:
bitmap api, risc-v architecture, the rest · Maintainers:
Yury Norov, Paul Walmsley, Palmer Dabbelt, Albert Ou, Linus Torvalds
Standardize an assign_cpu function for cpumasks. Signed-off-by: Charlie Jenkins <redacted> --- arch/riscv/mm/cacheflush.c | 2 +- include/linux/cpumask.h | 16 ++++++++++++++++ 2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c
index 6513a0ab8655..d10c2cba8aff 100644
--- a/arch/riscv/mm/cacheflush.c
+++ b/arch/riscv/mm/cacheflush.c@@ -234,7 +234,7 @@ int riscv_set_icache_flush_ctx(unsigned long ctx, unsigned long scope) stale_cpu = cpumask_test_cpu(smp_processor_id(), mask); cpumask_setall(mask); - assign_bit(cpumask_check(smp_processor_id()), cpumask_bits(mask), stale_cpu); + cpumask_assign_cpu(smp_processor_id(), mask, stale_cpu); break; case PR_RISCV_SCOPE_PER_THREAD: current->thread.force_icache_flush = false;
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index cfb545841a2c..1b85e09c4ba5 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h@@ -492,6 +492,22 @@ static __always_inline void __cpumask_clear_cpu(int cpu, struct cpumask *dstp) __clear_bit(cpumask_check(cpu), cpumask_bits(dstp)); } +/** + * cpumask_assign_cpu - assign a cpu in a cpumask + * @cpu: cpu number (< nr_cpu_ids) + * @dstp: the cpumask pointer + * @bool: the value to assign + */ +static __always_inline void cpumask_assign_cpu(int cpu, struct cpumask *dstp, bool value) +{ + assign_bit(cpumask_check(cpu), cpumask_bits(dstp), value); +} + +static __always_inline void __cpumask_assign_cpu(int cpu, struct cpumask *dstp, bool value) +{ + __assign_bit(cpumask_check(cpu), cpumask_bits(dstp), value); +} + /** * cpumask_test_cpu - test for a cpu in a cpumask * @cpu: cpu number (< nr_cpu_ids)
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2.43.0