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authorYinghai Lu <yhlu.kernel@gmail.com>2008-06-09 03:31:54 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-10 11:34:42 +0200
commitd49c4288407b2ffa8cab270cb5bc6882abe969f6 (patch)
tree8ad69dcc6f70ab18a4dfdf8d39dc4dff96ae1fd9 /arch/x86/mach-generic/probe.c
parentx86: introduce max_physical_apicid for bigsmp switching (diff)
downloadlinux-d49c4288407b2ffa8cab270cb5bc6882abe969f6.tar.xz
linux-d49c4288407b2ffa8cab270cb5bc6882abe969f6.zip
x86: make generic arch support NUMAQ
... so it could fall back to normal numa and we'd reduce the impact of the NUMAQ subarch. NUMAQ depends on GENERICARCH also decouple genericarch numa from acpi. also make it fall back to bigsmp if apicid > 8. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mach-generic/probe.c')
-rw-r--r--arch/x86/mach-generic/probe.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/mach-generic/probe.c b/arch/x86/mach-generic/probe.c
index c5ae751b994a..ba18dec48555 100644
--- a/arch/x86/mach-generic/probe.c
+++ b/arch/x86/mach-generic/probe.c
@@ -16,6 +16,7 @@
#include <asm/apicdef.h>
#include <asm/genapic.h>
+extern struct genapic apic_numaq;
extern struct genapic apic_summit;
extern struct genapic apic_bigsmp;
extern struct genapic apic_es7000;
@@ -24,9 +25,18 @@ extern struct genapic apic_default;
struct genapic *genapic = &apic_default;
static struct genapic *apic_probe[] __initdata = {
+#ifdef CONFIG_X86_NUMAQ
+ &apic_numaq,
+#endif
+#ifdef CONFIG_X86_SUMMIT
&apic_summit,
+#endif
+#ifdef CONFIG_X86_BIGSMP
&apic_bigsmp,
+#endif
+#ifdef CONFIG_X86_ES7000
&apic_es7000,
+#endif
&apic_default, /* must be last */
NULL,
};
@@ -54,6 +64,7 @@ early_param("apic", parse_apic);
void __init generic_bigsmp_probe(void)
{
+#if CONFIG_X86_BIGSMP
/*
* This routine is used to switch to bigsmp mode when
* - There is no apic= option specified by the user
@@ -67,6 +78,7 @@ void __init generic_bigsmp_probe(void)
printk(KERN_INFO "Overriding APIC driver with %s\n",
genapic->name);
}
+#endif
}
void __init generic_apic_probe(void)
@@ -88,7 +100,8 @@ void __init generic_apic_probe(void)
/* These functions can switch the APIC even after the initial ->probe() */
-int __init mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid)
+int __init mps_oem_check(struct mp_config_table *mpc, char *oem,
+ char *productid)
{
int i;
for (i = 0; apic_probe[i]; ++i) {