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authorYinghai Lu <yhlu.kernel@gmail.com>2008-06-08 21:31:54 -0400
committerIngo Molnar <mingo@elte.hu>2008-06-10 05:34:42 -0400
commitd49c4288407b2ffa8cab270cb5bc6882abe969f6 (patch)
tree8ad69dcc6f70ab18a4dfdf8d39dc4dff96ae1fd9 /arch/x86/mach-generic/numaq.c
parente0da33646826b66ef933d47ea2fb7a693fd849bf (diff)
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/numaq.c')
-rw-r--r--arch/x86/mach-generic/numaq.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/x86/mach-generic/numaq.c b/arch/x86/mach-generic/numaq.c
new file mode 100644
index 000000000000..8091e68764c4
--- /dev/null
+++ b/arch/x86/mach-generic/numaq.c
@@ -0,0 +1,41 @@
1/*
2 * APIC driver for the IBM NUMAQ chipset.
3 */
4#define APIC_DEFINITION 1
5#include <linux/threads.h>
6#include <linux/cpumask.h>
7#include <linux/smp.h>
8#include <asm/mpspec.h>
9#include <asm/genapic.h>
10#include <asm/fixmap.h>
11#include <asm/apicdef.h>
12#include <linux/kernel.h>
13#include <linux/string.h>
14#include <linux/init.h>
15#include <asm/mach-numaq/mach_apic.h>
16#include <asm/mach-numaq/mach_apicdef.h>
17#include <asm/mach-numaq/mach_ipi.h>
18#include <asm/mach-numaq/mach_mpparse.h>
19#include <asm/mach-numaq/mach_wakecpu.h>
20#include <asm/numaq.h>
21
22static int mps_oem_check(struct mp_config_table *mpc, char *oem,
23 char *productid)
24{
25 numaq_mps_oem_check(mpc, oem, productid);
26 return found_numaq;
27}
28
29static int probe_numaq(void)
30{
31 /* already know from get_memcfg_numaq() */
32 return found_numaq;
33}
34
35/* Hook from generic ACPI tables.c */
36static int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
37{
38 return 0;
39}
40
41struct genapic apic_numaq = APIC_INIT("NUMAQ", probe_numaq);