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-rw-r--r--arch/x86/kernel/cpu/intel.c4
-rw-r--r--arch/x86/kernel/numaq_32.c7
-rw-r--r--arch/x86/kernel/setup.c8
3 files changed, 16 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index fe9224c51d3..70609efdf1d 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -226,6 +226,10 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
if (cpu_has_bts)
ds_init_intel(c);
+
+#ifdef CONFIG_X86_NUMAQ
+ numaq_tsc_disable();
+#endif
}
static unsigned int __cpuinit intel_size_cache(struct cpuinfo_x86 *c, unsigned int size)
diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c
index f0f1de1c4a1..5b20a5e7ac2 100644
--- a/arch/x86/kernel/numaq_32.c
+++ b/arch/x86/kernel/numaq_32.c
@@ -93,12 +93,13 @@ int __init get_memcfg_numaq(void)
return 1;
}
-static int __init numaq_tsc_disable(void)
+void __init numaq_tsc_disable(void)
{
+ if (!found_numaq)
+ return -1;
+
if (num_online_nodes() > 1) {
printk(KERN_DEBUG "NUMAQ: disabling TSC\n");
setup_clear_cpu_cap(X86_FEATURE_TSC);
}
- return 0;
}
-arch_initcall(numaq_tsc_disable);
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 987b6fde3a9..36c540d4ac4 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -849,6 +849,14 @@ void __init setup_arch(char **cmdline_p)
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();