lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86: add cpu hotplug hooks into smp_ops

Browse Source 
Signed-off-by: Alex Nixon <alex.nixon@citrix.com>
Acked-by: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Alex Nixon
2008-08-22 11:52:11 +01:00
committed by Ingo Molnar
parent e4f807c2b4
commit 93be71b672
5 changed files with 37 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
arch/x86/kernel/smpboot.c
View File

@@ -1346,7 +1346,7 @@ static void __ref remove_cpu_from_maps(int cpu)
numa_remove_cpu(cpu);
}
int __cpu_disable(void)
int native_cpu_disable(void)
{
int cpu = smp_processor_id();
@@ -1385,7 +1385,7 @@ int __cpu_disable(void)
return 0;
}
void __cpu_die(unsigned int cpu)
void native_cpu_die(unsigned int cpu)
{
/* We don't do anything here: idle task is faking death itself. */
unsigned int i;
@@ -1403,12 +1403,12 @@ void __cpu_die(unsigned int cpu)
printk(KERN_ERR "CPU %u didn't die...\n", cpu);
}
#else /* ... !CONFIG_HOTPLUG_CPU */
int __cpu_disable(void)
int native_cpu_disable(void)
{
return -ENOSYS;
}
void __cpu_die(unsigned int cpu)
void native_cpu_die(unsigned int cpu)
{
/* We said "no" in __cpu_disable */
BUG();