Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...

[pandora-kernel.git] / include / asm-s390 / percpu.h

diff --git a/include/asm-s390/percpu.h b/include/asm-s390/percpu.h
index 436d216..545857e 100644 (file)
--- a/include/asm-s390/percpu.h
+++ b/include/asm-s390/percpu.h
@@ -15,18 +15,20 @@
  */
 #if defined(__s390x__) && defined(MODULE)
 
-#define __reloc_hide(var,offset) \
-  (*({ unsigned long *__ptr; \
-       asm ( "larl %0,per_cpu__"#var"@GOTENT" \
-             : "=a" (__ptr) : "X" (per_cpu__##var) ); \
-       (typeof(&per_cpu__##var))((*__ptr) + (offset)); }))
+#define __reloc_hide(var,offset) (*({                  \
+       extern int simple_identifier_##var(void);       \
+       unsigned long *__ptr;                           \
+       asm ( "larl %0,per_cpu__"#var"@GOTENT"          \
+           : "=a" (__ptr) : "X" (per_cpu__##var) );    \
+       (typeof(&per_cpu__##var))((*__ptr) + (offset)); }))
 
 #else
 
-#define __reloc_hide(var, offset) \
-  (*({ unsigned long __ptr; \
-       asm ( "" : "=a" (__ptr) : "0" (&per_cpu__##var) ); \
-       (typeof(&per_cpu__##var)) (__ptr + (offset)); }))
+#define __reloc_hide(var, offset) (*({                         \
+       extern int simple_identifier_##var(void);               \
+       unsigned long __ptr;                                    \
+       asm ( "" : "=a" (__ptr) : "0" (&per_cpu__##var) );      \
+       (typeof(&per_cpu__##var)) (__ptr + (offset)); }))
 
 #endif
 
@@ -39,8 +41,15 @@ extern unsigned long __per_cpu_offset[NR_CPUS];
     __attribute__((__section__(".data.percpu"))) \
     __typeof__(type) per_cpu__##name
 
+#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name)              \
+    __attribute__((__section__(".data.percpu.shared_aligned"))) \
+    __typeof__(type) per_cpu__##name                           \
+    ____cacheline_aligned_in_smp
+
 #define __get_cpu_var(var) __reloc_hide(var,S390_lowcore.percpu_offset)
+#define __raw_get_cpu_var(var) __reloc_hide(var,S390_lowcore.percpu_offset)
 #define per_cpu(var,cpu) __reloc_hide(var,__per_cpu_offset[cpu])
+#define per_cpu_offset(x) (__per_cpu_offset[x])
 
 /* A macro to avoid #include hell... */
 #define percpu_modcopy(pcpudst, src, size)                     \
@@ -55,8 +64,11 @@ do {                                                         \
 
 #define DEFINE_PER_CPU(type, name) \
     __typeof__(type) per_cpu__##name
+#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name)      \
+    DEFINE_PER_CPU(type, name)
 
 #define __get_cpu_var(var) __reloc_hide(var,0)
+#define __raw_get_cpu_var(var) __reloc_hide(var,0)
 #define per_cpu(var,cpu) __reloc_hide(var,0)
 
 #endif /* SMP */