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Mon, 12 Feb 2024 15:36:36 -0800 (PST) From: Charlie Jenkins Date: Mon, 12 Feb 2024 15:36:29 -0800 Subject: [PATCH v11 4/4] cpumask: Add assign cpu Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240212-fencei-v11-4-e1327f25fe10@rivosinc.com> References: <20240212-fencei-v11-0-e1327f25fe10@rivosinc.com> In-Reply-To: <20240212-fencei-v11-0-e1327f25fe10@rivosinc.com> To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Jonathan Corbet , Conor Dooley , =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= , Atish Patra , Randy Dunlap , Alexandre Ghiti Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Charlie Jenkins X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1707780989; l=1797; i=charlie@rivosinc.com; s=20231120; h=from:subject:message-id; bh=teNltxEe5ATnvQPKeLgPp6b3k0t1rOkLmnDUUB6OJdA=; b=EiKlcL1ulk4DvUiCSUgvbFtR389U08UGs9J+Mx1NjicMNyA7ytjbg4bgirWaWZZtdE5HGgwHU EVUxZnpx4C/A+JHiRo45OTnP3oYSGtoMtT2ZFchA7WKDMysLkz7sWPx X-Developer-Key: i=charlie@rivosinc.com; a=ed25519; pk=t4RSWpMV1q5lf/NWIeR9z58bcje60/dbtxxmoSfBEcs= X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790738238090472910 X-GMAIL-MSGID: 1790738238090472910 Standardize an assign_cpu function for cpumasks. Signed-off-by: Charlie Jenkins --- 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)