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Message-Id: <20240312-fencei-v12-4-0f340f004ce7@rivosinc.com>
Date: Tue, 12 Mar 2024 12:47:54 -0700
From: Charlie Jenkins <charlie@...osinc.com>
To: Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
Jonathan Corbet <corbet@....net>, Conor Dooley <conor.dooley@...rochip.com>,
Clément Léger <cleger@...osinc.com>,
Atish Patra <atishp@...shpatra.org>, Randy Dunlap <rdunlap@...radead.org>,
Alexandre Ghiti <alex@...ti.fr>, Samuel Holland <samuel.holland@...ive.com>
Cc: linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-doc@...r.kernel.org, Charlie Jenkins <charlie@...osinc.com>
Subject: [PATCH v12 4/4] cpumask: Add assign cpu
Standardize an assign_cpu function for cpumasks.
Signed-off-by: Charlie Jenkins <charlie@...osinc.com>
---
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 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)
--
2.43.2
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