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authorGlauber de Oliveira Costa <gcosta@redhat.com>2008-03-19 14:25:19 -0300
committerIngo Molnar <mingo@elte.hu>2008-04-17 17:41:00 +0200
commitcbe879fc6c77b5751a91167654b75a39421d0f3f (patch)
treeaa06f7b0979dd1365ad97ba7779078c625cee41b
parent7e1efc0cde2a266fc31932ea7aed4bb20f524544 (diff)
x86: define bios to apicid mapping
This mapping already exists in x86_64, just provide it for i386 Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/kernel/smpboot_32.c6
-rw-r--r--include/asm-x86/mach-bigsmp/mach_apic.h7
-rw-r--r--include/asm-x86/mach-es7000/mach_apic.h8
-rw-r--r--include/asm-x86/mach-summit/mach_apic.h3
4 files changed, 12 insertions, 12 deletions
diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
index 0e86ccc90d8..92a5df6190b 100644
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -70,6 +70,12 @@ void *x86_cpu_to_apicid_early_ptr;
DEFINE_PER_CPU(u16, x86_cpu_to_apicid) = BAD_APICID;
EXPORT_PER_CPU_SYMBOL(x86_cpu_to_apicid);
+u16 x86_bios_cpu_apicid_init[NR_CPUS] __initdata
+ = { [0 ... NR_CPUS-1] = BAD_APICID };
+void *x86_bios_cpu_apicid_early_ptr;
+DEFINE_PER_CPU(u16, x86_bios_cpu_apicid) = BAD_APICID;
+EXPORT_PER_CPU_SYMBOL(x86_bios_cpu_apicid);
+
u8 apicid_2_node[MAX_APICID];
static void map_cpu_to_logical_apicid(void);
diff --git a/include/asm-x86/mach-bigsmp/mach_apic.h b/include/asm-x86/mach-bigsmp/mach_apic.h
index 6df235e8ea9..0d55b1f6d56 100644
--- a/include/asm-x86/mach-bigsmp/mach_apic.h
+++ b/include/asm-x86/mach-bigsmp/mach_apic.h
@@ -1,10 +1,7 @@
#ifndef __ASM_MACH_APIC_H
#define __ASM_MACH_APIC_H
-
-extern u8 bios_cpu_apicid[];
-
-#define xapic_phys_to_log_apicid(cpu) (bios_cpu_apicid[cpu])
+#define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu))
#define esr_disable (1)
static inline int apic_id_registered(void)
@@ -90,7 +87,7 @@ static inline int apicid_to_node(int logical_apicid)
static inline int cpu_present_to_apicid(int mps_cpu)
{
if (mps_cpu < NR_CPUS)
- return (int) bios_cpu_apicid[mps_cpu];
+ return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
return BAD_APICID;
}
diff --git a/include/asm-x86/mach-es7000/mach_apic.h b/include/asm-x86/mach-es7000/mach_apic.h
index d23011fdf45..04cba9f1e37 100644
--- a/include/asm-x86/mach-es7000/mach_apic.h
+++ b/include/asm-x86/mach-es7000/mach_apic.h
@@ -1,9 +1,7 @@
#ifndef __ASM_MACH_APIC_H
#define __ASM_MACH_APIC_H
-extern u8 bios_cpu_apicid[];
-
-#define xapic_phys_to_log_apicid(cpu) (bios_cpu_apicid[cpu])
+#define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu)
#define esr_disable (1)
static inline int apic_id_registered(void)
@@ -80,7 +78,7 @@ extern void enable_apic_mode(void);
extern int apic_version [MAX_APICS];
static inline void setup_apic_routing(void)
{
- int apic = bios_cpu_apicid[smp_processor_id()];
+ int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n",
(apic_version[apic] == 0x14) ?
"Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(TARGET_CPUS)[0]);
@@ -102,7 +100,7 @@ static inline int cpu_present_to_apicid(int mps_cpu)
if (!mps_cpu)
return boot_cpu_physical_apicid;
else if (mps_cpu < NR_CPUS)
- return (int) bios_cpu_apicid[mps_cpu];
+ return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
else
return BAD_APICID;
}
diff --git a/include/asm-x86/mach-summit/mach_apic.h b/include/asm-x86/mach-summit/mach_apic.h
index 062c97f6100..91d7641cddc 100644
--- a/include/asm-x86/mach-summit/mach_apic.h
+++ b/include/asm-x86/mach-summit/mach_apic.h
@@ -40,7 +40,6 @@ static inline unsigned long check_apicid_present(int bit)
#define apicid_cluster(apicid) ((apicid) & XAPIC_DEST_CLUSTER_MASK)
-extern u8 bios_cpu_apicid[];
extern u8 cpu_2_logical_apicid[];
static inline void init_apic_ldr(void)
@@ -110,7 +109,7 @@ static inline int cpu_to_logical_apicid(int cpu)
static inline int cpu_present_to_apicid(int mps_cpu)
{
if (mps_cpu < NR_CPUS)
- return (int)bios_cpu_apicid[mps_cpu];
+ return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
else
return BAD_APICID;
}