[tip: smp/core] cpu/hotplug: Remove __freeze_secondary_cpus()

From: tip-bot2 for Qais Yousef
Date: Thu May 07 2020 - 09:26:26 EST


The following commit has been merged into the smp/core branch of tip:

Commit-ID: fb7fb84a0c4e8021ddecb157802d58241a3f1a40
Gitweb: https://git.kernel.org/tip/fb7fb84a0c4e8021ddecb157802d58241a3f1a40
Author: Qais Yousef <qais.yousef@xxxxxxx>
AuthorDate: Thu, 30 Apr 2020 12:40:04 +01:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Thu, 07 May 2020 15:18:41 +02:00

cpu/hotplug: Remove __freeze_secondary_cpus()

The refactored function is no longer required as the codepaths that call
freeze_secondary_cpus() are all suspend/resume related now.

Signed-off-by: Qais Yousef <qais.yousef@xxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20200430114004.17477-2-qais.yousef@xxxxxxx

---
include/linux/cpu.h | 7 +------
kernel/cpu.c | 4 ++--
2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 9d34dc3..5269258 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -144,12 +144,7 @@ static inline void get_online_cpus(void) { cpus_read_lock(); }
static inline void put_online_cpus(void) { cpus_read_unlock(); }

#ifdef CONFIG_PM_SLEEP_SMP
-int __freeze_secondary_cpus(int primary, bool suspend);
-static inline int freeze_secondary_cpus(int primary)
-{
- return __freeze_secondary_cpus(primary, true);
-}
-
+extern int freeze_secondary_cpus(int primary);
extern void thaw_secondary_cpus(void);

static inline int suspend_disable_secondary_cpus(void)
diff --git a/kernel/cpu.c b/kernel/cpu.c
index d766929..9f89214 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -1327,7 +1327,7 @@ void bringup_nonboot_cpus(unsigned int setup_max_cpus)
#ifdef CONFIG_PM_SLEEP_SMP
static cpumask_var_t frozen_cpus;

-int __freeze_secondary_cpus(int primary, bool suspend)
+int freeze_secondary_cpus(int primary)
{
int cpu, error = 0;

@@ -1352,7 +1352,7 @@ int __freeze_secondary_cpus(int primary, bool suspend)
if (cpu == primary)
continue;

- if (suspend && pm_wakeup_pending()) {
+ if (pm_wakeup_pending()) {
pr_info("Wakeup pending. Abort CPU freeze\n");
error = -EBUSY;
break;