* Sergio Monteiro Basto <[email protected]> wrote:
> On Mon, 2006-11-20 at 23:02 +0100, Ingo Molnar wrote:
> > http://redhat.com/~mingo/realtime-preempt/patch-2.6.19-rc6-rt5
>
> if I don't put in .config
> CONFIG_HOTPLUG_CPU=y
>
> I got
> UPD include/linux/compile.h
> arch/x86_64/kernel/vsyscall.c: In function 'vsyscall_init':
> arch/x86_64/kernel/vsyscall.c:334: error: 'cpu_vsyscall_notifier' undeclared (first use in this function)
> arch/x86_64/kernel/vsyscall.c:334: error: (Each undeclared identifier is reported only once
this one should be fixed by the patch below.
Ingo
Index: linux/arch/x86_64/kernel/vsyscall.c
===================================================================
--- linux.orig/arch/x86_64/kernel/vsyscall.c
+++ linux/arch/x86_64/kernel/vsyscall.c
@@ -300,7 +300,6 @@ static void __cpuinit cpu_vsyscall_init(
vsyscall_set_cpu(raw_smp_processor_id());
}
-#ifdef CONFIG_HOTPLUG_CPU
static int __cpuinit
cpu_vsyscall_notifier(struct notifier_block *n, unsigned long action, void *arg)
{
@@ -309,7 +308,6 @@ cpu_vsyscall_notifier(struct notifier_bl
smp_call_function_single(cpu, cpu_vsyscall_init, NULL, 0, 1);
return NOTIFY_DONE;
}
-#endif
static void __init map_vsyscall(void)
{
Index: linux/mm/page_alloc.c
===================================================================
--- linux.orig/mm/page_alloc.c
+++ linux/mm/page_alloc.c
@@ -2768,7 +2768,6 @@ void __init free_area_init(unsigned long
__pa(PAGE_OFFSET) >> PAGE_SHIFT, NULL);
}
-#ifdef CONFIG_HOTPLUG_CPU
static int page_alloc_cpu_notify(struct notifier_block *self,
unsigned long action, void *hcpu)
{
@@ -2786,7 +2785,6 @@ static int page_alloc_cpu_notify(struct
}
return NOTIFY_OK;
}
-#endif /* CONFIG_HOTPLUG_CPU */
void __init page_alloc_init(void)
{
-
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