X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-powerpc%2Fpaca.h;h=748b35ab37b5aa7fdf02291149777d3117803467;hb=06b8e878a9bc9301201cffe186eba99c4185f20a;hp=cf95274f735e43ea3e9120b9697e0b0be75177bf;hpb=5f757f91e70a97eda8f0cc13bddc853209b2d173;p=linux-2.6-omap-h63xx.git

diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index cf95274f735..748b35ab37b 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -21,7 +21,18 @@
 #include	<asm/mmu.h>
 
 register struct paca_struct *local_paca asm("r13");
+
+#if defined(CONFIG_DEBUG_PREEMPT) && defined(CONFIG_SMP)
+extern unsigned int debug_smp_processor_id(void); /* from linux/smp.h */
+/*
+ * Add standard checks that preemption cannot occur when using get_paca():
+ * otherwise the paca_struct it points to may be the wrong one just after.
+ */
+#define get_paca()	((void) debug_smp_processor_id(), local_paca)
+#else
 #define get_paca()	local_paca
+#endif
+
 #define get_lppaca()	(get_paca()->lppaca_ptr)
 #define get_slb_shadow()	(get_paca()->slb_shadow_ptr)
 
@@ -83,8 +94,8 @@ struct paca_struct {
 
 	mm_context_t context;
 	u16 vmalloc_sllp;
-	u16 slb_cache[SLB_CACHE_ENTRIES];
 	u16 slb_cache_ptr;
+	u16 slb_cache[SLB_CACHE_ENTRIES];
 
 	/*
 	 * then miscellaneous read-write fields
@@ -103,11 +114,10 @@ struct paca_struct {
 	u64 user_time;			/* accumulated usermode TB ticks */
 	u64 system_time;		/* accumulated system TB ticks */
 	u64 startpurr;			/* PURR/TB value snapshot */
+	u64 startspurr;			/* SPURR value snapshot */
 };
 
 extern struct paca_struct paca[];
 
-void setup_boot_paca(void);
-
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_PACA_H */