[PATCH] adjust per_cpu definition in non-SMP case

Fix (in the architectures I'm actually building for) the UP definition of
per_cpu so that the cpu specified may be any expression, not just an
identifier or a suffix expression.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index 3b709b8..9044aeb 100644 (file)
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -29,7 +29,7 @@ do {                                                          \
 #define DEFINE_PER_CPU(type, name) \
     __typeof__(type) per_cpu__##name
 
-#define per_cpu(var, cpu)                      (*((void)cpu, &per_cpu__##var))
+#define per_cpu(var, cpu)                      (*((void)(cpu), &per_cpu__##var))
 #define __get_cpu_var(var)                     per_cpu__##var
 
 #endif /* SMP */

diff --git a/include/asm-ia64/percpu.h b/include/asm-ia64/percpu.h
index 1e87f19..2b14dee 100644 (file)
--- a/include/asm-ia64/percpu.h
+++ b/include/asm-ia64/percpu.h
@@ -50,7 +50,7 @@ extern void *per_cpu_init(void);
 
 #else /* ! SMP */
 
-#define per_cpu(var, cpu)                      (*((void)cpu, &per_cpu__##var))
+#define per_cpu(var, cpu)                      (*((void)(cpu), &per_cpu__##var))
 #define __get_cpu_var(var)                     per_cpu__##var
 #define per_cpu_init()                         (__phys_per_cpu_start)
 

diff --git a/include/asm-x86_64/percpu.h b/include/asm-x86_64/percpu.h
index 415d73f..9c71855 100644 (file)
--- a/include/asm-x86_64/percpu.h
+++ b/include/asm-x86_64/percpu.h
@@ -39,7 +39,7 @@ extern void setup_per_cpu_areas(void);
 #define DEFINE_PER_CPU(type, name) \
     __typeof__(type) per_cpu__##name
 
-#define per_cpu(var, cpu)                      (*((void)cpu, &per_cpu__##var))
+#define per_cpu(var, cpu)                      (*((void)(cpu), &per_cpu__##var))
 #define __get_cpu_var(var)                     per_cpu__##var
 
 #endif /* SMP */