Merge commit 'origin/master'

Manual merge of:

	arch/powerpc/Kconfig
	arch/powerpc/kernel/stacktrace.c
	arch/powerpc/mm/slice.c
	arch/ppc/kernel/smp.c

3 files changed, 16 insertions, 18 deletions

diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 5d4fa4b1c74c..b6781030cfbd 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -109,7 +109,7 @@ static void do_call_function(void)
 }
 
 static void __smp_call_function_map(void (*func) (void *info), void *info,
-                                    int nonatomic, int wait, cpumask_t map)
+                                    int wait, cpumask_t map)
 {
         struct call_data_struct data;
         int cpu, local = 0;
@@ -162,7 +162,6 @@ out:
  * smp_call_function:
  * @func: the function to run; this must be fast and non-blocking
  * @info: an arbitrary pointer to pass to the function
- * @nonatomic: unused
  * @wait: if true, wait (atomically) until function has completed on other CPUs
  *
  * Run a function on all other CPUs.
@@ -170,15 +169,14 @@ out:
  * You must not call this function with disabled interrupts, from a
  * hardware interrupt handler or from a bottom half.
  */
-int smp_call_function(void (*func) (void *info), void *info, int nonatomic,
-                      int wait)
+int smp_call_function(void (*func) (void *info), void *info, int wait)
 {
         cpumask_t map;
 
         spin_lock(&call_lock);
         map = cpu_online_map;
         cpu_clear(smp_processor_id(), map);
-        __smp_call_function_map(func, info, nonatomic, wait, map);
+        __smp_call_function_map(func, info, wait, map);
         spin_unlock(&call_lock);
         return 0;
 }
@@ -189,7 +187,6 @@ EXPORT_SYMBOL(smp_call_function);
  * @cpu: the CPU where func should run
  * @func: the function to run; this must be fast and non-blocking
  * @info: an arbitrary pointer to pass to the function
- * @nonatomic: unused
  * @wait: if true, wait (atomically) until function has completed on other CPUs
  *
  * Run a function on one processor.
@@ -198,11 +195,10 @@ EXPORT_SYMBOL(smp_call_function);
  * hardware interrupt handler or from a bottom half.
  */
 int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
-                             int nonatomic, int wait)
+                             int wait)
 {
         spin_lock(&call_lock);
-        __smp_call_function_map(func, info, nonatomic, wait,
-                                cpumask_of_cpu(cpu));
+        __smp_call_function_map(func, info, wait, cpumask_of_cpu(cpu));
         spin_unlock(&call_lock);
         return 0;
 }
@@ -228,7 +224,7 @@ int smp_call_function_mask(cpumask_t mask, void (*func)(void *), void *info,
 {
         spin_lock(&call_lock);
         cpu_clear(smp_processor_id(), mask);
-        __smp_call_function_map(func, info, 0, wait, mask);
+        __smp_call_function_map(func, info, wait, mask);
         spin_unlock(&call_lock);
         return 0;
 }
@@ -303,7 +299,7 @@ static void smp_ptlb_callback(void *info)
 
 void smp_ptlb_all(void)
 {
-        on_each_cpu(smp_ptlb_callback, NULL, 0, 1);
+        on_each_cpu(smp_ptlb_callback, NULL, 1);
 }
 EXPORT_SYMBOL(smp_ptlb_all);
 #endif /* ! CONFIG_64BIT */
@@ -351,7 +347,7 @@ void smp_ctl_set_bit(int cr, int bit)
         memset(&parms.orvals, 0, sizeof(parms.orvals));
         memset(&parms.andvals, 0xff, sizeof(parms.andvals));
         parms.orvals[cr] = 1 << bit;
-        on_each_cpu(smp_ctl_bit_callback, &parms, 0, 1);
+        on_each_cpu(smp_ctl_bit_callback, &parms, 1);
 }
 EXPORT_SYMBOL(smp_ctl_set_bit);
 
@@ -365,7 +361,7 @@ void smp_ctl_clear_bit(int cr, int bit)
         memset(&parms.orvals, 0, sizeof(parms.orvals));
         memset(&parms.andvals, 0xff, sizeof(parms.andvals));
         parms.andvals[cr] = ~(1L << bit);
-        on_each_cpu(smp_ctl_bit_callback, &parms, 0, 1);
+        on_each_cpu(smp_ctl_bit_callback, &parms, 1);
 }
 EXPORT_SYMBOL(smp_ctl_clear_bit);
 
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
index 85e46a5d0e08..57571f10270c 100644
--- a/arch/s390/kernel/stacktrace.c
+++ b/arch/s390/kernel/stacktrace.c
@@ -81,6 +81,7 @@ void save_stack_trace(struct stack_trace *trace)
                            S390_lowcore.thread_info,
                            S390_lowcore.thread_info + THREAD_SIZE, 1);
 }
+EXPORT_SYMBOL_GPL(save_stack_trace);
 
 void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
 {
@@ -93,3 +94,4 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
         if (trace->nr_entries < trace->max_entries)
                 trace->entries[trace->nr_entries++] = ULONG_MAX;
 }
+EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 7418bebb547f..f2cede3947b2 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -707,7 +707,7 @@ static int etr_sync_clock(struct etr_aib *aib, int port)
          */
         memset(&etr_sync, 0, sizeof(etr_sync));
         preempt_disable();
-        smp_call_function(clock_sync_cpu_start, &etr_sync, 0, 0);
+        smp_call_function(clock_sync_cpu_start, &etr_sync, 0);
         local_irq_disable();
         enable_sync_clock();
 
@@ -746,7 +746,7 @@ static int etr_sync_clock(struct etr_aib *aib, int port)
                 rc = -EAGAIN;
         }
         local_irq_enable();
-        smp_call_function(clock_sync_cpu_end, NULL, 0, 0);
+        smp_call_function(clock_sync_cpu_end, NULL, 0);
         preempt_enable();
         return rc;
 }
@@ -926,7 +926,7 @@ static void etr_work_fn(struct work_struct *work)
         if (!eacr.ea) {
                 /* Both ports offline. Reset everything. */
                 eacr.dp = eacr.es = eacr.sl = 0;
-                on_each_cpu(disable_sync_clock, NULL, 0, 1);
+                on_each_cpu(disable_sync_clock, NULL, 1);
                 del_timer_sync(&etr_timer);
                 etr_update_eacr(eacr);
                 clear_bit(CLOCK_SYNC_ETR, &clock_sync_flags);
@@ -1432,7 +1432,7 @@ static void stp_work_fn(struct work_struct *work)
          */
         memset(&stp_sync, 0, sizeof(stp_sync));
         preempt_disable();
-        smp_call_function(clock_sync_cpu_start, &stp_sync, 0, 0);
+        smp_call_function(clock_sync_cpu_start, &stp_sync, 0);
         local_irq_disable();
         enable_sync_clock();
 
@@ -1465,7 +1465,7 @@ static void stp_work_fn(struct work_struct *work)
                 stp_sync.in_sync = 1;
 
         local_irq_enable();
-        smp_call_function(clock_sync_cpu_end, NULL, 0, 0);
+        smp_call_function(clock_sync_cpu_end, NULL, 0);
         preempt_enable();
 }