diff mbox series

[v12,4/4] cpumask: Add assign cpu

Message ID 20240312-fencei-v12-4-0f340f004ce7@rivosinc.com (mailing list archive)
State Superseded
Headers show
Series riscv: Create and document PR_RISCV_SET_ICACHE_FLUSH_CTX prctl | expand

Commit Message

Charlie Jenkins March 12, 2024, 7:47 p.m. UTC 
Standardize an assign_cpu function for cpumasks.

Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
---
 arch/riscv/mm/cacheflush.c |  2 +-
 include/linux/cpumask.h    | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c
index 329b95529580..2e16ed19e957 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;
 		default:
 			return -EINVAL;
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)