[PATCH] Fix typo in "syntax error if percpu macros are incorrectly used" patch

[pandora-kernel.git] / include / asm-x86_64 / percpu.h

diff --git a/include/asm-x86_64/percpu.h b/include/asm-x86_64/percpu.h
index 4405b4a..5ed0ef3 100644 (file)
--- a/include/asm-x86_64/percpu.h
+++ b/include/asm-x86_64/percpu.h
@@ -11,22 +11,41 @@
 
 #include <asm/pda.h>
 
+#ifdef CONFIG_MODULES
+# define PERCPU_MODULE_RESERVE 8192
+#else
+# define PERCPU_MODULE_RESERVE 0
+#endif
+
+#define PERCPU_ENOUGH_ROOM \
+       (ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES) + \
+        PERCPU_MODULE_RESERVE)
+
 #define __per_cpu_offset(cpu) (cpu_pda(cpu)->data_offset)
 #define __my_cpu_offset() read_pda(data_offset)
 
+#define per_cpu_offset(x) (__per_cpu_offset(x))
+
 /* Separate out the type, so (int[3], foo) works. */
 #define DEFINE_PER_CPU(type, name) \
     __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name
 
 /* var is in discarded region: offset to particular copy we want */
-#define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset(cpu)))
-#define __get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __my_cpu_offset()))
+#define per_cpu(var, cpu) (*({                         \
+       extern int simple_identifier_##var(void);       \
+       RELOC_HIDE(&per_cpu__##var, __per_cpu_offset(cpu)); }))
+#define __get_cpu_var(var) (*({                                \
+       extern int simple_identifier_##var(void);       \
+       RELOC_HIDE(&per_cpu__##var, __my_cpu_offset()); }))
+#define __raw_get_cpu_var(var) (*({                    \
+       extern int simple_identifier_##var(void);       \
+       RELOC_HIDE(&per_cpu__##var, __my_cpu_offset()); }))
 
 /* A macro to avoid #include hell... */
 #define percpu_modcopy(pcpudst, src, size)                     \
 do {                                                           \
        unsigned int __i;                                       \
-       for_each_cpu(__i)                                       \
+       for_each_possible_cpu(__i)                              \
                memcpy((pcpudst)+__per_cpu_offset(__i),         \
                       (src), (size));                          \
 } while (0)
@@ -40,6 +59,7 @@ extern void setup_per_cpu_areas(void);
 
 #define per_cpu(var, cpu)                      (*((void)(cpu), &per_cpu__##var))
 #define __get_cpu_var(var)                     per_cpu__##var
+#define __raw_get_cpu_var(var)                 per_cpu__##var
 
 #endif /* SMP */