Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=56f902051dd040e8a735a225caf0e3e4ffb0a6c5
Commit:     56f902051dd040e8a735a225caf0e3e4ffb0a6c5
Parent:     05991bef104051d47e2160ee9499186aff7da5ad
Author:     [EMAIL PROTECTED] <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 23:27:58 2008 +0100
Committer:  Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 23:27:58 2008 +0100

    POWERPC: use generic per cpu
    
    Powerpc has a way to determine the address of the per cpu area of the
    currently executing processor via the paca and the array of per cpu
    offsets is avoided by looking up the per cpu area from the remote
    paca's (copying x86_64).
    
    Cc: Paul Mackerras <[EMAIL PROTECTED]>
    Cc: Geert Uytterhoeven <[EMAIL PROTECTED]>
    Signed-off-by: Mike Travis <[EMAIL PROTECTED]>
    Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
    Acked-by: Olof Johansson <[EMAIL PROTECTED]>
    Tested-by: Geoff Levand <[EMAIL PROTECTED]>
---
 include/asm-powerpc/percpu.h |   22 +++-------------------
 1 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/include/asm-powerpc/percpu.h b/include/asm-powerpc/percpu.h
index 1b75688..ccb0523 100644
--- a/include/asm-powerpc/percpu.h
+++ b/include/asm-powerpc/percpu.h
@@ -13,28 +13,12 @@
 #include <asm/paca.h>
 
 #define __per_cpu_offset(cpu) (paca[cpu].data_offset)
-#define __my_cpu_offset() get_paca()->data_offset
+#define __my_cpu_offset get_paca()->data_offset
 #define per_cpu_offset(x) (__per_cpu_offset(x))
 
-/* 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 __raw_get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, 
local_paca->data_offset))
+#endif /* CONFIG_SMP */
+#endif /* __powerpc64__ */
 
-extern void setup_per_cpu_areas(void);
-
-#else /* ! SMP */
-
-#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 */
-
-#define DECLARE_PER_CPU(type, name) extern __typeof__(type) per_cpu__##name
-
-#else
 #include <asm-generic/percpu.h>
-#endif
 
 #endif /* _ASM_POWERPC_PERCPU_H_ */
-
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