[POWERPC] iommu_free_table doesn't need the device_node

[linux-2.6] / include / asm-powerpc / paca.h

diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index 0d3adc09c847bdf20448a9539bfd0c2e8e6622ac..f6dfce025adfe4d117587321782b607028142bbf 100644 (file)
--- 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)
 
@@ -70,6 +81,7 @@ struct paca_struct {
        s16 hw_cpu_id;                  /* Physical processor number */
        u8 cpu_start;                   /* At startup, processor spins until */
                                        /* this becomes non-zero. */
+       struct slb_shadow *slb_shadow_ptr;
 
        /*
         * Now, starting in cacheline 2, the exception save areas
@@ -82,8 +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
@@ -93,6 +105,7 @@ struct paca_struct {
        u64 stab_rr;                    /* stab/slb round-robin counter */
        u64 saved_r1;                   /* r1 save for RTAS calls */
        u64 saved_msr;                  /* MSR saved here by enter_rtas */
+       u16 trap_save;                  /* Used when bad stack is encountered */
        u8 soft_enabled;                /* irq soft-enable flag */
        u8 hard_enabled;                /* set if irqs are enabled in MSR */
        u8 io_sync;                     /* writel() needs spin_unlock sync */
@@ -101,13 +114,12 @@ struct paca_struct {
        u64 user_time;                  /* accumulated usermode TB ticks */
        u64 system_time;                /* accumulated system TB ticks */
        u64 startpurr;                  /* PURR/TB value snapshot */
-
-       struct slb_shadow *slb_shadow_ptr;
+       u64 startspurr;                 /* SPURR value snapshot */
+       u64 purrdelta;                  /* FIXME: document */
+       u64 spurrdelta;                 /* FIXME: document */
 };
 
 extern struct paca_struct paca[];
 
-void setup_boot_paca(void);
-
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_PACA_H */