x86: increase size of APICID
Increase the number of bits in an apicid from 8 to 32.
By default, MP_processor_info() gets the APICID from the
mpc_config_processor structure. However, this structure limits
the size of APICID to 8 bits. This patch allows the caller of
MP_processor_info() to optionally pass a larger APICID that will
be used instead of the one in the mpc_config_processor struct.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/apicdef.h b/include/asm-x86/apicdef.h
index 8b24468..6b9008c 100644
--- a/include/asm-x86/apicdef.h
+++ b/include/asm-x86/apicdef.h
@@ -133,7 +133,7 @@
# define MAX_IO_APICS 64
#else
# define MAX_IO_APICS 128
-# define MAX_LOCAL_APIC 256
+# define MAX_LOCAL_APIC 32768
#endif
/*
@@ -406,6 +406,9 @@
#undef u32
-#define BAD_APICID 0xFFu
-
+#ifdef CONFIG_X86_32
+ #define BAD_APICID 0xFFu
+#else
+ #define BAD_APICID 0xFFFFu
+#endif
#endif