From: Andi Kleen <ak@muc.de>
This patch increases some hardcoded limits people have already run into or
plan to go towards eventually.
Increase max MP busses on x86-64. Needed for some machines. Suggested by
Andrew Chen and James Cleverdon.
MAX_IRQ_SOURCES kept at 256 for now, matching i386.
Increase MAX_IO_APICS to 32 following i386.
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/include/asm-x86_64/apicdef.h | 2 +-
25-akpm/include/asm-x86_64/mpspec.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff -puN include/asm-x86_64/apicdef.h~increase-bus-apic-limits-on-x86-64 include/asm-x86_64/apicdef.h
--- 25/include/asm-x86_64/apicdef.h~increase-bus-apic-limits-on-x86-64 2004-08-31 23:14:57.099454608 -0700
+++ 25-akpm/include/asm-x86_64/apicdef.h 2004-08-31 23:14:57.104453848 -0700
@@ -108,7 +108,7 @@
#define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
-#define MAX_IO_APICS 16
+#define MAX_IO_APICS 32
/*
* the local APIC register structure, memory mapped. Not terribly well
diff -puN include/asm-x86_64/mpspec.h~increase-bus-apic-limits-on-x86-64 include/asm-x86_64/mpspec.h
--- 25/include/asm-x86_64/mpspec.h~increase-bus-apic-limits-on-x86-64 2004-08-31 23:14:57.100454456 -0700
+++ 25-akpm/include/asm-x86_64/mpspec.h 2004-08-31 23:14:57.104453848 -0700
@@ -156,8 +156,8 @@ struct mpc_config_lintsrc
* 7 2 CPU MCA+PCI
*/
+#define MAX_MP_BUSSES 270
#define MAX_IRQ_SOURCES 256
-#define MAX_MP_BUSSES 32
enum mp_bustype {
MP_BUS_ISA = 1,
MP_BUS_EISA,
_