summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/apic.h
diff options
context:
space:
mode:
authorTejun Heo <tj@kernel.org>2011-05-02 14:18:52 +0200
committerTejun Heo <tj@kernel.org>2011-05-02 14:18:52 +0200
commit84914ed0ec6787d38e84b510f92ad4ca3a572fd8 (patch)
tree0ff73a42ef3db03b33d11516c386ac2b72c44a38 /arch/x86/include/asm/apic.h
parent6bd262731bf7559bab8c749786e8652e2df1fb4e (diff)
x86-32, NUMA: Make apic->x86_32_numa_cpu_node() optional
NUMAQ is the only meaningful user of this callback and setup_local_APIC() the only callsite. Stop torturing everyone else by making the callback optional and removing all the boilerplate implementations and assignments. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/apic.h')
-rw-r--r--arch/x86/include/asm/apic.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 2b7d573be54..a0c46f06121 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -363,7 +363,12 @@ struct apic {
*/
int (*x86_32_early_logical_apicid)(int cpu);
- /* determine CPU -> NUMA node mapping */
+ /*
+ * Optional method called from setup_local_APIC() after logical
+ * apicid is guaranteed to be known to initialize apicid -> node
+ * mapping if NUMA initialization hasn't done so already. Don't
+ * add new users.
+ */
int (*x86_32_numa_cpu_node)(int cpu);
#endif
};
@@ -537,8 +542,6 @@ static inline int default_phys_pkg_id(int cpuid_apic, int index_msb)
return cpuid_apic >> index_msb;
}
-extern int default_x86_32_numa_cpu_node(int cpu);
-
#endif
static inline unsigned int