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authorFenghua Yu <fenghua.yu@intel.com>2009-07-13 13:09:43 -0700
committerTejun Heo <tj@kernel.org>2009-07-15 11:46:34 +0900
commit872fb6dd6b07986417964e089074e7acfd025f4c (patch)
tree6d3de5b54db0a61fc09f7864a4b4d75ddef8f7a7
parent023bf6f1b8bf58dc4da7f0dc1cf4787b0d5297c1 (diff)
ia64: Fix setup_per_cpu_areas() compilation error
Fix ia64 build setup_per_cpu_areas() redifinition issue in UP configuration. When compiling ia64 kernel in UP configuration, the following compilation errors are reported: arch/ia64/kernel/setup.c:860: error: redefinition of 'setup_per_cpu_areas' include/linux/percpu.h:185: error: previous definition of 'setup_per_cpu_areas' was here The patch fixes the issue in arch/ia64/kernel/setup.c Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Tejun Heo <tj@kernel.org>
-rw-r--r--arch/ia64/kernel/setup.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 1b23ec126b6..1de86c96801 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -855,11 +855,17 @@ identify_cpu (struct cpuinfo_ia64 *c)
c->unimpl_pa_mask = ~((1L<<63) | ((1L << phys_addr_size) - 1));
}
+/*
+ * In UP configuration, setup_per_cpu_areas() is defined in
+ * include/linux/percpu.h
+ */
+#ifdef CONFIG_SMP
void __init
setup_per_cpu_areas (void)
{
/* start_kernel() requires this... */
}
+#endif
/*
* Do the following calculations: