powerpc: Shield code specific to 64-bit server processors

[deliverable/linux.git] / arch / powerpc / include / asm / lppaca.h

diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h
index 68235f7e4a8fabb4febe5302adee68e6a20d1d64..f78f65c38f054d8d7f56fafee268c33d793a62c4 100644 (file)
--- a/arch/powerpc/include/asm/lppaca.h
+++ b/arch/powerpc/include/asm/lppaca.h
@@ -20,6 +20,11 @@
 #define _ASM_POWERPC_LPPACA_H
 #ifdef __KERNEL__
 
+/* These definitions relate to hypervisors that only exist when using
+ * a server type processor
+ */
+#ifdef CONFIG_PPC_BOOK3S
+
 //=============================================================================
 //
 //     This control block contains the data that is shared between the
@@ -125,7 +130,7 @@ struct lppaca {
        // NOTE: This value will ALWAYS be zero for dedicated processors and
        // will NEVER be zero for shared processors (ie, initialized to a 1).
        volatile u32 yield_count;       // PLIC increments each dispatchx00-x03
-       u32 reserved6;
+       volatile u32 dispersion_count;  // dispatch changed phys cpu    x04-x07
        volatile u64 cmo_faults;        // CMO page fault count         x08-x0F
        volatile u64 cmo_fault_time;    // CMO page fault time          x10-x17
        u8      reserved7[104];         // Reserved                     x18-x7F
@@ -158,5 +163,6 @@ struct slb_shadow {
 
 extern struct slb_shadow slb_shadow[];
 
+#endif /* CONFIG_PPC_BOOK3S */
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_LPPACA_H */