Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: (34 commits)
  m68k: rename global variable vmalloc_end to m68k_vmalloc_end
  percpu: add missing per_cpu_ptr_to_phys() definition for UP
  percpu: Fix kdump failure if booted with percpu_alloc=page
  percpu: make misc percpu symbols unique
  percpu: make percpu symbols in ia64 unique
  percpu: make percpu symbols in powerpc unique
  percpu: make percpu symbols in x86 unique
  percpu: make percpu symbols in xen unique
  percpu: make percpu symbols in cpufreq unique
  percpu: make percpu symbols in oprofile unique
  percpu: make percpu symbols in tracer unique
  percpu: make percpu symbols under kernel/ and mm/ unique
  percpu: remove some sparse warnings
  percpu: make alloc_percpu() handle array types
  vmalloc: fix use of non-existent percpu variable in put_cpu_var()
  this_cpu: Use this_cpu_xx in trace_functions_graph.c
  this_cpu: Use this_cpu_xx for ftrace
  this_cpu: Use this_cpu_xx in nmi handling
  this_cpu: Use this_cpu operations in RCU
  this_cpu: Use this_cpu ops for VM statistics
  ...

Fix up trivial (famous last words) global per-cpu naming conflicts in
	arch/x86/kvm/svm.c
	mm/slab.c

4 files changed, 35 insertions, 34 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 88bd9ae2a9ed..c82dfd92fdfd 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -86,17 +86,17 @@ static int dummy_set_flag(u32 old_flags, u32 bit, int set)
  */
 static int tracing_disabled = 1;
 
-DEFINE_PER_CPU(local_t, ftrace_cpu_disabled);
+DEFINE_PER_CPU(int, ftrace_cpu_disabled);
 
 static inline void ftrace_disable_cpu(void)
 {
 	preempt_disable();
-	local_inc(&__get_cpu_var(ftrace_cpu_disabled));
+	__this_cpu_inc(per_cpu_var(ftrace_cpu_disabled));
 }
 
 static inline void ftrace_enable_cpu(void)
 {
-	local_dec(&__get_cpu_var(ftrace_cpu_disabled));
+	__this_cpu_dec(per_cpu_var(ftrace_cpu_disabled));
 	preempt_enable();
 }
 
@@ -203,7 +203,7 @@ cycle_t ftrace_now(int cpu)
  */
 static struct trace_array	max_tr;
 
-static DEFINE_PER_CPU(struct trace_array_cpu, max_data);
+static DEFINE_PER_CPU(struct trace_array_cpu, max_tr_data);
 
 /* tracer_enabled is used to toggle activation of a tracer */
 static int			tracer_enabled = 1;
@@ -1085,7 +1085,7 @@ trace_function(struct trace_array *tr,
 	struct ftrace_entry *entry;
 
 	/* If we are reading the ring buffer, don't trace */
-	if (unlikely(local_read(&__get_cpu_var(ftrace_cpu_disabled))))
+	if (unlikely(__this_cpu_read(per_cpu_var(ftrace_cpu_disabled))))
 		return;
 
 	event = trace_buffer_lock_reserve(buffer, TRACE_FN, sizeof(*entry),
@@ -4454,7 +4454,7 @@ __init static int tracer_alloc_buffers(void)
 	/* Allocate the first page for all buffers */
 	for_each_tracing_cpu(i) {
 		global_trace.data[i] = &per_cpu(global_trace_cpu, i);
-		max_tr.data[i] = &per_cpu(max_data, i);
+		max_tr.data[i] = &per_cpu(max_tr_data, i);
 	}
 
 	trace_init_cmdlines();
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 7fa33cab6962..a52bed2eedd8 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -443,7 +443,7 @@ extern int DYN_FTRACE_TEST_NAME(void);
 
 extern int ring_buffer_expanded;
 extern bool tracing_selftest_disabled;
-DECLARE_PER_CPU(local_t, ftrace_cpu_disabled);
+DECLARE_PER_CPU(int, ftrace_cpu_disabled);
 
 #ifdef CONFIG_FTRACE_STARTUP_TEST
 extern int trace_selftest_startup_function(struct tracer *trace,
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index a43d009c561a..b1342c5d37cf 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -187,7 +187,7 @@ static int __trace_graph_entry(struct trace_array *tr,
 	struct ring_buffer *buffer = tr->buffer;
 	struct ftrace_graph_ent_entry *entry;
 
-	if (unlikely(local_read(&__get_cpu_var(ftrace_cpu_disabled))))
+	if (unlikely(__this_cpu_read(per_cpu_var(ftrace_cpu_disabled))))
 		return 0;
 
 	event = trace_buffer_lock_reserve(buffer, TRACE_GRAPH_ENT,
@@ -251,7 +251,7 @@ static void __trace_graph_return(struct trace_array *tr,
 	struct ring_buffer *buffer = tr->buffer;
 	struct ftrace_graph_ret_entry *entry;
 
-	if (unlikely(local_read(&__get_cpu_var(ftrace_cpu_disabled))))
+	if (unlikely(__this_cpu_read(per_cpu_var(ftrace_cpu_disabled))))
 		return;
 
 	event = trace_buffer_lock_reserve(buffer, TRACE_GRAPH_RET,
diff --git a/kernel/trace/trace_hw_branches.c b/kernel/trace/trace_hw_branches.c
index 69543a905cd5..7b97000745f5 100644
--- a/kernel/trace/trace_hw_branches.c
+++ b/kernel/trace/trace_hw_branches.c
@@ -20,10 +20,10 @@
 
 #define BTS_BUFFER_SIZE (1 << 13)
 
-static DEFINE_PER_CPU(struct bts_tracer *, tracer);
-static DEFINE_PER_CPU(unsigned char[BTS_BUFFER_SIZE], buffer);
+static DEFINE_PER_CPU(struct bts_tracer *, hwb_tracer);
+static DEFINE_PER_CPU(unsigned char[BTS_BUFFER_SIZE], hwb_buffer);
 
-#define this_tracer per_cpu(tracer, smp_processor_id())
+#define this_tracer per_cpu(hwb_tracer, smp_processor_id())
 
 static int trace_hw_branches_enabled __read_mostly;
 static int trace_hw_branches_suspended __read_mostly;
@@ -32,12 +32,13 @@ static struct trace_array *hw_branch_trace __read_mostly;
 
 static void bts_trace_init_cpu(int cpu)
 {
-	per_cpu(tracer, cpu) =
-		ds_request_bts_cpu(cpu, per_cpu(buffer, cpu), BTS_BUFFER_SIZE,
-				   NULL, (size_t)-1, BTS_KERNEL);
+	per_cpu(hwb_tracer, cpu) =
+		ds_request_bts_cpu(cpu, per_cpu(hwb_buffer, cpu),
+				   BTS_BUFFER_SIZE, NULL, (size_t)-1,
+				   BTS_KERNEL);
 
-	if (IS_ERR(per_cpu(tracer, cpu)))
-		per_cpu(tracer, cpu) = NULL;
+	if (IS_ERR(per_cpu(hwb_tracer, cpu)))
+		per_cpu(hwb_tracer, cpu) = NULL;
 }
 
 static int bts_trace_init(struct trace_array *tr)
@@ -51,7 +52,7 @@ static int bts_trace_init(struct trace_array *tr)
 	for_each_online_cpu(cpu) {
 		bts_trace_init_cpu(cpu);
 
-		if (likely(per_cpu(tracer, cpu)))
+		if (likely(per_cpu(hwb_tracer, cpu)))
 			trace_hw_branches_enabled = 1;
 	}
 	trace_hw_branches_suspended = 0;
@@ -67,9 +68,9 @@ static void bts_trace_reset(struct trace_array *tr)
 
 	get_online_cpus();
 	for_each_online_cpu(cpu) {
-		if (likely(per_cpu(tracer, cpu))) {
-			ds_release_bts(per_cpu(tracer, cpu));
-			per_cpu(tracer, cpu) = NULL;
+		if (likely(per_cpu(hwb_tracer, cpu))) {
+			ds_release_bts(per_cpu(hwb_tracer, cpu));
+			per_cpu(hwb_tracer, cpu) = NULL;
 		}
 	}
 	trace_hw_branches_enabled = 0;
@@ -83,8 +84,8 @@ static void bts_trace_start(struct trace_array *tr)
 
 	get_online_cpus();
 	for_each_online_cpu(cpu)
-		if (likely(per_cpu(tracer, cpu)))
-			ds_resume_bts(per_cpu(tracer, cpu));
+		if (likely(per_cpu(hwb_tracer, cpu)))
+			ds_resume_bts(per_cpu(hwb_tracer, cpu));
 	trace_hw_branches_suspended = 0;
 	put_online_cpus();
 }
@@ -95,8 +96,8 @@ static void bts_trace_stop(struct trace_array *tr)
 
 	get_online_cpus();
 	for_each_online_cpu(cpu)
-		if (likely(per_cpu(tracer, cpu)))
-			ds_suspend_bts(per_cpu(tracer, cpu));
+		if (likely(per_cpu(hwb_tracer, cpu)))
+			ds_suspend_bts(per_cpu(hwb_tracer, cpu));
 	trace_hw_branches_suspended = 1;
 	put_online_cpus();
 }
@@ -114,16 +115,16 @@ static int __cpuinit bts_hotcpu_handler(struct notifier_block *nfb,
 			bts_trace_init_cpu(cpu);
 
 			if (trace_hw_branches_suspended &&
-			    likely(per_cpu(tracer, cpu)))
-				ds_suspend_bts(per_cpu(tracer, cpu));
+			    likely(per_cpu(hwb_tracer, cpu)))
+				ds_suspend_bts(per_cpu(hwb_tracer, cpu));
 		}
 		break;
 
 	case CPU_DOWN_PREPARE:
 		/* The notification is sent with interrupts enabled. */
-		if (likely(per_cpu(tracer, cpu))) {
-			ds_release_bts(per_cpu(tracer, cpu));
-			per_cpu(tracer, cpu) = NULL;
+		if (likely(per_cpu(hwb_tracer, cpu))) {
+			ds_release_bts(per_cpu(hwb_tracer, cpu));
+			per_cpu(hwb_tracer, cpu) = NULL;
 		}
 	}
 
@@ -258,8 +259,8 @@ static void trace_bts_prepare(struct trace_iterator *iter)
 
 	get_online_cpus();
 	for_each_online_cpu(cpu)
-		if (likely(per_cpu(tracer, cpu)))
-			ds_suspend_bts(per_cpu(tracer, cpu));
+		if (likely(per_cpu(hwb_tracer, cpu)))
+			ds_suspend_bts(per_cpu(hwb_tracer, cpu));
 	/*
 	 * We need to collect the trace on the respective cpu since ftrace
 	 * implicitly adds the record for the current cpu.
@@ -268,8 +269,8 @@ static void trace_bts_prepare(struct trace_iterator *iter)
 	on_each_cpu(trace_bts_cpu, iter->tr, 1);
 
 	for_each_online_cpu(cpu)
-		if (likely(per_cpu(tracer, cpu)))
-			ds_resume_bts(per_cpu(tracer, cpu));
+		if (likely(per_cpu(hwb_tracer, cpu)))
+			ds_resume_bts(per_cpu(hwb_tracer, cpu));
 	put_online_cpus();
 }