[SPARC64]: Fix comment typo in head.S

[linux-2.6-omap-h63xx.git] / arch / sparc64 / kernel / smp.c

diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index e5b9c7a27789853d13c6e350afabdfb123092373..b4fc6a5462b2192065052a1693d194e375066910 100644 (file)
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -45,8 +45,8 @@ extern void calibrate_delay(void);
 /* Please don't make this stuff initdata!!!  --DaveM */
 static unsigned char boot_cpu_id;
 
-cpumask_t cpu_online_map = CPU_MASK_NONE;
-cpumask_t phys_cpu_present_map = CPU_MASK_NONE;
+cpumask_t cpu_online_map __read_mostly = CPU_MASK_NONE;
+cpumask_t phys_cpu_present_map __read_mostly = CPU_MASK_NONE;
 static cpumask_t smp_commenced_mask;
 static cpumask_t cpu_callout_map;
 
@@ -137,14 +137,14 @@ void __init smp_callin(void)
        /* Clear this or we will die instantly when we
         * schedule back to this idler...
         */
-       clear_thread_flag(TIF_NEWCHILD);
+       current_thread_info()->new_child = 0;
 
        /* Attach to the address space of init_task. */
        atomic_inc(&init_mm.mm_count);
        current->active_mm = &init_mm;
 
        while (!cpu_isset(cpuid, smp_commenced_mask))
-               membar("#LoadLoad");
+               rmb();
 
        cpu_set(cpuid, cpu_online_map);
 }
@@ -155,7 +155,7 @@ void cpu_panic(void)
        panic("SMP bolixed\n");
 }
 
-static unsigned long current_tick_offset;
+static unsigned long current_tick_offset __read_mostly;
 
 /* This tick register synchronization scheme is taken entirely from
  * the ia64 port, see arch/ia64/kernel/smpboot.c for details and credit.
@@ -184,11 +184,11 @@ static inline long get_delta (long *rt, long *master)
        for (i = 0; i < NUM_ITERS; i++) {
                t0 = tick_ops->get_tick();
                go[MASTER] = 1;
-               membar("#StoreLoad");
+               membar_storeload();
                while (!(tm = go[SLAVE]))
-                       membar("#LoadLoad");
+                       rmb();
                go[SLAVE] = 0;
-               membar("#StoreStore");
+               wmb();
                t1 = tick_ops->get_tick();
 
                if (t1 - t0 < best_t1 - best_t0)
@@ -221,7 +221,7 @@ void smp_synchronize_tick_client(void)
        go[MASTER] = 1;
 
        while (go[MASTER])
-               membar("#LoadLoad");
+               rmb();
 
        local_irq_save(flags);
        {
@@ -273,21 +273,21 @@ static void smp_synchronize_one_tick(int cpu)
 
        /* wait for client to be ready */
        while (!go[MASTER])
-               membar("#LoadLoad");
+               rmb();
 
        /* now let the client proceed into his loop */
        go[MASTER] = 0;
-       membar("#StoreLoad");
+       membar_storeload();
 
        spin_lock_irqsave(&itc_sync_lock, flags);
        {
                for (i = 0; i < NUM_ROUNDS*NUM_ITERS; i++) {
                        while (!go[MASTER])
-                               membar("#LoadLoad");
+                               rmb();
                        go[MASTER] = 0;
-                       membar("#StoreStore");
+                       wmb();
                        go[SLAVE] = tick_ops->get_tick();
-                       membar("#StoreLoad");
+                       membar_storeload();
                }
        }
        spin_unlock_irqrestore(&itc_sync_lock, flags);
@@ -927,11 +927,11 @@ void smp_capture(void)
                       smp_processor_id());
 #endif
                penguins_are_doing_time = 1;
-               membar("#StoreStore | #LoadStore");
+               membar_storestore_loadstore();
                atomic_inc(&smp_capture_registry);
                smp_cross_call(&xcall_capture, 0, 0, 0);
                while (atomic_read(&smp_capture_registry) != ncpus)
-                       membar("#LoadLoad");
+                       rmb();
 #ifdef CAPTURE_DEBUG
                printk("done\n");
 #endif
@@ -947,7 +947,7 @@ void smp_release(void)
                       smp_processor_id());
 #endif
                penguins_are_doing_time = 0;
-               membar("#StoreStore | #StoreLoad");
+               membar_storeload_storestore();
                atomic_dec(&smp_capture_registry);
        }
 }
@@ -970,9 +970,9 @@ void smp_penguin_jailcell(int irq, struct pt_regs *regs)
        save_alternate_globals(global_save);
        prom_world(1);
        atomic_inc(&smp_capture_registry);
-       membar("#StoreLoad | #StoreStore");
+       membar_storeload_storestore();
        while (penguins_are_doing_time)
-               membar("#LoadLoad");
+               rmb();
        restore_alternate_globals(global_save);
        atomic_dec(&smp_capture_registry);
        prom_world(0);
@@ -1193,8 +1193,8 @@ void smp_send_stop(void)
 {
 }
 
-unsigned long __per_cpu_base;
-unsigned long __per_cpu_shift;
+unsigned long __per_cpu_base __read_mostly;
+unsigned long __per_cpu_shift __read_mostly;
 
 EXPORT_SYMBOL(__per_cpu_base);
 EXPORT_SYMBOL(__per_cpu_shift);