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authorTejun Heo <tj@kernel.org>2009-01-13 12:41:34 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-16 14:18:17 +0100
commitf10fcd47120e80f66665567dbe17f5071c7aef52 (patch)
tree825281816d434a6b3ba596bb922d7a4a77d91448 /arch/x86/include/asm
parentx86: fix pda_to_op() (diff)
downloadlinux-f10fcd47120e80f66665567dbe17f5071c7aef52.tar.xz
linux-f10fcd47120e80f66665567dbe17f5071c7aef52.zip
x86: make early_per_cpu() a lvalue and use it
Make early_per_cpu() a lvalue as per_cpu() is and use it where applicable. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r--arch/x86/include/asm/percpu.h6
-rw-r--r--arch/x86/include/asm/topology.h5
2 files changed, 4 insertions, 7 deletions
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index ece72053ba63..df644f3e53e6 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -195,9 +195,9 @@ do { \
#define early_per_cpu_ptr(_name) (_name##_early_ptr)
#define early_per_cpu_map(_name, _idx) (_name##_early_map[_idx])
#define early_per_cpu(_name, _cpu) \
- (early_per_cpu_ptr(_name) ? \
- early_per_cpu_ptr(_name)[_cpu] : \
- per_cpu(_name, _cpu))
+ *(early_per_cpu_ptr(_name) ? \
+ &early_per_cpu_ptr(_name)[_cpu] : \
+ &per_cpu(_name, _cpu))
#else /* !CONFIG_SMP */
#define DEFINE_EARLY_PER_CPU(_type, _name, _initvalue) \
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 4e2f2e0aab27..87ca3fd86e88 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -102,10 +102,7 @@ static inline int cpu_to_node(int cpu)
/* Same function but used if called before per_cpu areas are setup */
static inline int early_cpu_to_node(int cpu)
{
- if (early_per_cpu_ptr(x86_cpu_to_node_map))
- return early_per_cpu_ptr(x86_cpu_to_node_map)[cpu];
-
- return per_cpu(x86_cpu_to_node_map, cpu);
+ return early_per_cpu(x86_cpu_to_node_map, cpu);
}
/* Returns a pointer to the cpumask of CPUs on Node 'node'. */