From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file
---
kernel/kernel/up.c | 19 +++++++++++++------
1 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/kernel/kernel/up.c b/kernel/kernel/up.c
index 2080f75..4edd549 100644
--- a/kernel/kernel/up.c
+++ b/kernel/kernel/up.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Uniprocessor-only support functions. The counterpart to kernel/smp.c
*/
@@ -13,7 +14,8 @@
{
unsigned long flags;
- WARN_ON(cpu != 0);
+ if (cpu != 0)
+ return -ENXIO;
local_irq_save(flags);
func(info);
@@ -34,14 +36,13 @@
}
EXPORT_SYMBOL(smp_call_function_single_async);
-int on_each_cpu(smp_call_func_t func, void *info, int wait)
+void on_each_cpu(smp_call_func_t func, void *info, int wait)
{
unsigned long flags;
local_irq_save(flags);
func(info);
local_irq_restore(flags);
- return 0;
}
EXPORT_SYMBOL(on_each_cpu);
@@ -68,9 +69,8 @@
* Preemption is disabled here to make sure the cond_func is called under the
* same condtions in UP and SMP.
*/
-void on_each_cpu_cond(bool (*cond_func)(int cpu, void *info),
- smp_call_func_t func, void *info, bool wait,
- gfp_t gfp_flags)
+void on_each_cpu_cond_mask(smp_cond_func_t cond_func, smp_call_func_t func,
+ void *info, bool wait, const struct cpumask *mask)
{
unsigned long flags;
@@ -82,6 +82,13 @@
}
preempt_enable();
}
+EXPORT_SYMBOL(on_each_cpu_cond_mask);
+
+void on_each_cpu_cond(smp_cond_func_t cond_func, smp_call_func_t func,
+ void *info, bool wait)
+{
+ on_each_cpu_cond_mask(cond_func, func, info, wait, NULL);
+}
EXPORT_SYMBOL(on_each_cpu_cond);
int smp_call_on_cpu(unsigned int cpu, int (*func)(void *), void *par, bool phys)
--
Gitblit v1.6.2