x86: add ->pre_time_init to x86_quirks
so NUMAQ can use that to call numaq_pre_time_init()
This allows us to remove a NUMAQ special from arch/x86/kernel/setup.c.
(and paves the way to remove the NUMAQ subarch)
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c
index 7f4e00d..b8c4561 100644
--- a/arch/x86/kernel/numaq_32.c
+++ b/arch/x86/kernel/numaq_32.c
@@ -84,6 +84,12 @@
}
}
+static int __init numaq_pre_time_init(void)
+{
+ numaq_tsc_disable();
+ return 0;
+}
+
int found_numaq;
/*
* Have to match translation table entries to main table entries by counter
@@ -224,6 +230,7 @@
}
static struct x86_quirks numaq_x86_quirks __initdata = {
+ .arch_pre_time_init = numaq_pre_time_init,
.arch_time_init = NULL,
.arch_pre_intr_init = NULL,
.arch_memory_setup = NULL,
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index bbcc13d0..4064616 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -853,14 +853,6 @@
init_cpu_to_node();
#endif
-#ifdef CONFIG_X86_NUMAQ
- /*
- * need to check online nodes num, call it
- * here before time_init/tsc_init
- */
- numaq_tsc_disable();
-#endif
-
init_apic_mappings();
ioapic_init_mappings();
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index 059ca6e..ffe3c66 100644
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -129,6 +129,7 @@
*/
void __init time_init(void)
{
+ pre_time_init_hook();
tsc_init();
late_time_init = choose_time_init();
}
diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c
index 631dbed..3d31783 100644
--- a/arch/x86/mach-default/setup.c
+++ b/arch/x86/mach-default/setup.c
@@ -103,6 +103,16 @@
};
/**
+ * pre_time_init_hook - do any specific initialisations before.
+ *
+ **/
+void __init pre_time_init_hook(void)
+{
+ if (x86_quirks->arch_pre_time_init)
+ x86_quirks->arch_pre_time_init();
+}
+
+/**
* time_init_hook - do any specific initialisations for the system timer.
*
* Description:
diff --git a/include/asm-x86/arch_hooks.h b/include/asm-x86/arch_hooks.h
index 768aee8..8411750 100644
--- a/include/asm-x86/arch_hooks.h
+++ b/include/asm-x86/arch_hooks.h
@@ -21,6 +21,7 @@
extern void pre_intr_init_hook(void);
extern void pre_setup_arch_hook(void);
extern void trap_init_hook(void);
+extern void pre_time_init_hook(void);
extern void time_init_hook(void);
extern void mca_nmi_hook(void);
diff --git a/include/asm-x86/setup.h b/include/asm-x86/setup.h
index 2585075..f003cea 100644
--- a/include/asm-x86/setup.h
+++ b/include/asm-x86/setup.h
@@ -23,6 +23,7 @@
struct mpc_config_bus;
struct mp_config_oemtable;
struct x86_quirks {
+ int (*arch_pre_time_init)(void);
int (*arch_time_init)(void);
int (*arch_pre_intr_init)(void);
int (*arch_intr_init)(void);