4 files changed, 9 insertions, 18 deletions

diff --git a/include/asm-powerpc/lppaca.h b/include/asm-powerpc/lppaca.h
index ff82ea7c4829..cd9f11f1ef14 100644
--- a/include/asm-powerpc/lppaca.h
+++ b/include/asm-powerpc/lppaca.h
@@ -29,7 +29,9 @@
 //----------------------------------------------------------------------------
 #include <asm/types.h>
 
-struct lppaca {
+/* The Hypervisor barfs if the lppaca crosses a page boundary.  A 1k
+ * alignment is sufficient to prevent this */
+struct __attribute__((__aligned__(0x400))) lppaca {
 //=============================================================================
 // CACHE_LINE_1 0x0000 - 0x007F Contains read-only data
 // NOTE: The xDynXyz fields are fields that will be dynamically changed by
@@ -129,5 +131,7 @@ struct lppaca {
         u8      pmc_save_area[256];     // PMC interrupt Area           x00-xFF
 };
 
+extern struct lppaca lppaca[];
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_LPPACA_H */
diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index a64b4d425dab..c9add8f1ad94 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -23,6 +23,7 @@
 
 register struct paca_struct *local_paca asm("r13");
 #define get_paca()      local_paca
+#define get_lppaca()    (get_paca()->lppaca_ptr)
 
 struct task_struct;
 
@@ -95,19 +96,6 @@ struct paca_struct {
         u64 saved_r1;                   /* r1 save for RTAS calls */
         u64 saved_msr;                  /* MSR saved here by enter_rtas */
         u8 proc_enabled;                /* irq soft-enable flag */
-
-        /*
-         * iSeries structure which the hypervisor knows about -
-         * this structure should not cross a page boundary.
-         * The vpa_init/register_vpa call is now known to fail if the
-         * lppaca structure crosses a page boundary.
-         * The lppaca is also used on POWER5 pSeries boxes.
-         * The lppaca is 640 bytes long, and cannot readily change
-         * since the hypervisor knows its layout, so a 1kB
-         * alignment will suffice to ensure that it doesn't
-         * cross a page boundary.
-         */
-        struct lppaca lppaca __attribute__((__aligned__(0x400)));
 };
 
 extern struct paca_struct paca[];
diff --git a/include/asm-powerpc/spinlock.h b/include/asm-powerpc/spinlock.h
index 754900901cd8..26b8744ed529 100644
--- a/include/asm-powerpc/spinlock.h
+++ b/include/asm-powerpc/spinlock.h
@@ -80,7 +80,7 @@ static int __inline__ __raw_spin_trylock(raw_spinlock_t *lock)
 
 #if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES)
 /* We only yield to the hypervisor if we are in shared processor mode */
-#define SHARED_PROCESSOR (get_paca()->lppaca.shared_proc)
+#define SHARED_PROCESSOR (get_lppaca()->shared_proc)
 extern void __spin_yield(raw_spinlock_t *lock);
 extern void __rw_yield(raw_rwlock_t *lock);
 #else /* SPLPAR || ISERIES */
diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h
index d9b86a17271b..baddc9ab57ad 100644
--- a/include/asm-powerpc/time.h
+++ b/include/asm-powerpc/time.h
@@ -175,11 +175,10 @@ static inline void set_dec(int val)
         set_dec_cpu6(val);
 #else
 #ifdef CONFIG_PPC_ISERIES
-        struct paca_struct *lpaca = get_paca();
         int cur_dec;
 
-        if (lpaca->lppaca.shared_proc) {
-                lpaca->lppaca.virtual_decr = val;
+        if (get_lppaca()->shared_proc) {
+                get_lppaca()->virtual_decr = val;
                 cur_dec = get_dec();
                 if (cur_dec > val)
                         HvCall_setVirtualDecr();