diff mbox series

[02/38] MIPS: Replace deprecated CPU-hotplug functions.

Message ID 20210803141621.780504-3-bigeasy@linutronix.de (mailing list archive)
State Accepted
Headers show
Series Replace deprecated CPU-hotplug | expand

Commit Message

Sebastian Andrzej Siewior Aug. 3, 2021, 2:15 p.m. UTC 
The functions get_online_cpus() and put_online_cpus() have been
deprecated during the CPU hotplug rework. They map directly to
cpus_read_lock() and cpus_read_unlock().

Replace deprecated CPU-hotplug functions with the official version.
The behavior remains unchanged.

Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: linux-mips@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
 arch/mips/kernel/mips-mt-fpaff.c | 10 +++++-----
 arch/mips/kernel/process.c       |  4 ++--
 2 files changed, 7 insertions(+), 7 deletions(-)

Comments

Thomas Bogendoerfer Aug. 5, 2021, 9:02 a.m. UTC | #1 
On Tue, Aug 03, 2021 at 04:15:45PM +0200, Sebastian Andrzej Siewior wrote:
> The functions get_online_cpus() and put_online_cpus() have been
> deprecated during the CPU hotplug rework. They map directly to
> cpus_read_lock() and cpus_read_unlock().
> 
> Replace deprecated CPU-hotplug functions with the official version.
> The behavior remains unchanged.
> 
> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> Cc: linux-mips@vger.kernel.org
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> ---
>  arch/mips/kernel/mips-mt-fpaff.c | 10 +++++-----
>  arch/mips/kernel/process.c       |  4 ++--
>  2 files changed, 7 insertions(+), 7 deletions(-)

applied to mips-next.

Thomas.
diff mbox series

Patch

diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c
index 6c590ef276482..67e130d3f0385 100644
--- a/arch/mips/kernel/mips-mt-fpaff.c
+++ b/arch/mips/kernel/mips-mt-fpaff.c
@@ -76,13 +76,13 @@  asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len,
 	if (copy_from_user(&new_mask, user_mask_ptr, sizeof(new_mask)))
 		return -EFAULT;
 
-	get_online_cpus();
+	cpus_read_lock();
 	rcu_read_lock();
 
 	p = find_process_by_pid(pid);
 	if (!p) {
 		rcu_read_unlock();
-		put_online_cpus();
+		cpus_read_unlock();
 		return -ESRCH;
 	}
 
@@ -147,7 +147,7 @@  asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len,
 	free_cpumask_var(cpus_allowed);
 out_put_task:
 	put_task_struct(p);
-	put_online_cpus();
+	cpus_read_unlock();
 	return retval;
 }
 
@@ -166,7 +166,7 @@  asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len,
 	if (len < real_len)
 		return -EINVAL;
 
-	get_online_cpus();
+	cpus_read_lock();
 	rcu_read_lock();
 
 	retval = -ESRCH;
@@ -182,7 +182,7 @@  asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len,
 
 out_unlock:
 	rcu_read_unlock();
-	put_online_cpus();
+	cpus_read_unlock();
 	if (retval)
 		return retval;
 	if (copy_to_user(user_mask_ptr, &mask, real_len))
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 73c8e7990a973..95aa86fa60778 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -859,10 +859,10 @@  int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)
 	 * scheduled in then it will already have picked up the new FP mode
 	 * whilst doing so.
 	 */
-	get_online_cpus();
+	cpus_read_lock();
 	for_each_cpu_and(cpu, &process_cpus, cpu_online_mask)
 		work_on_cpu(cpu, prepare_for_fp_mode_switch, NULL);
-	put_online_cpus();
+	cpus_read_unlock();
 
 	return 0;
 }