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Date: Thu, 6 May 2010 15:26:12 +0200
From: Robert Richter <robert.richter@....com>
To: Ingo Molnar <mingo@...e.hu>
CC: Andi Kleen <andi@...stfloor.org>,
LKML <linux-kernel@...r.kernel.org>,
oprofile-list <oprofile-list@...ts.sourceforge.net>,
Robert Richter <robert.richter@....com>
Subject: [PATCH 5/7] oprofile/x86: reordering some functions
Reordering some functions. Necessary for the next patch. No functional
changes.
Cc: Andi Kleen <andi@...stfloor.org>
Signed-off-by: Robert Richter <robert.richter@....com>
---
arch/x86/oprofile/nmi_int.c | 134 +++++++++++++++++++++---------------------
1 files changed, 67 insertions(+), 67 deletions(-)
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 94b5481..7de0572 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -364,56 +364,6 @@ static struct notifier_block profile_exceptions_nb = {
.priority = 2
};
-static int nmi_setup(void)
-{
- int err = 0;
- int cpu;
-
- if (!allocate_msrs())
- return -ENOMEM;
-
- /* We need to serialize save and setup for HT because the subset
- * of msrs are distinct for save and setup operations
- */
-
- /* Assume saved/restored counters are the same on all CPUs */
- err = model->fill_in_addresses(&per_cpu(cpu_msrs, 0));
- if (err)
- goto fail;
-
- for_each_possible_cpu(cpu) {
- if (!cpu)
- continue;
-
- memcpy(per_cpu(cpu_msrs, cpu).counters,
- per_cpu(cpu_msrs, 0).counters,
- sizeof(struct op_msr) * model->num_counters);
-
- memcpy(per_cpu(cpu_msrs, cpu).controls,
- per_cpu(cpu_msrs, 0).controls,
- sizeof(struct op_msr) * model->num_controls);
-
- mux_clone(cpu);
- }
-
- nmi_enabled = 0;
- ctr_running = 0;
- barrier();
- err = register_die_notifier(&profile_exceptions_nb);
- if (err)
- goto fail;
-
- get_online_cpus();
- on_each_cpu(nmi_cpu_setup, NULL, 1);
- nmi_enabled = 1;
- put_online_cpus();
-
- return 0;
-fail:
- free_msrs();
- return err;
-}
-
static void nmi_cpu_restore_registers(struct op_msrs *msrs)
{
struct op_msr *counters = msrs->counters;
@@ -449,23 +399,6 @@ static void nmi_cpu_shutdown(void *dummy)
nmi_cpu_restore_registers(msrs);
}
-static void nmi_shutdown(void)
-{
- struct op_msrs *msrs;
-
- get_online_cpus();
- on_each_cpu(nmi_cpu_shutdown, NULL, 1);
- nmi_enabled = 0;
- ctr_running = 0;
- put_online_cpus();
- barrier();
- unregister_die_notifier(&profile_exceptions_nb);
- msrs = &get_cpu_var(cpu_msrs);
- model->shutdown(msrs);
- free_msrs();
- put_cpu_var(cpu_msrs);
-}
-
static void nmi_cpu_up(void *dummy)
{
if (nmi_enabled)
@@ -531,6 +464,73 @@ static struct notifier_block oprofile_cpu_nb = {
.notifier_call = oprofile_cpu_notifier
};
+static int nmi_setup(void)
+{
+ int err = 0;
+ int cpu;
+
+ if (!allocate_msrs())
+ return -ENOMEM;
+
+ /* We need to serialize save and setup for HT because the subset
+ * of msrs are distinct for save and setup operations
+ */
+
+ /* Assume saved/restored counters are the same on all CPUs */
+ err = model->fill_in_addresses(&per_cpu(cpu_msrs, 0));
+ if (err)
+ goto fail;
+
+ for_each_possible_cpu(cpu) {
+ if (!cpu)
+ continue;
+
+ memcpy(per_cpu(cpu_msrs, cpu).counters,
+ per_cpu(cpu_msrs, 0).counters,
+ sizeof(struct op_msr) * model->num_counters);
+
+ memcpy(per_cpu(cpu_msrs, cpu).controls,
+ per_cpu(cpu_msrs, 0).controls,
+ sizeof(struct op_msr) * model->num_controls);
+
+ mux_clone(cpu);
+ }
+
+ nmi_enabled = 0;
+ ctr_running = 0;
+ barrier();
+ err = register_die_notifier(&profile_exceptions_nb);
+ if (err)
+ goto fail;
+
+ get_online_cpus();
+ on_each_cpu(nmi_cpu_setup, NULL, 1);
+ nmi_enabled = 1;
+ put_online_cpus();
+
+ return 0;
+fail:
+ free_msrs();
+ return err;
+}
+
+static void nmi_shutdown(void)
+{
+ struct op_msrs *msrs;
+
+ get_online_cpus();
+ on_each_cpu(nmi_cpu_shutdown, NULL, 1);
+ nmi_enabled = 0;
+ ctr_running = 0;
+ put_online_cpus();
+ barrier();
+ unregister_die_notifier(&profile_exceptions_nb);
+ msrs = &get_cpu_var(cpu_msrs);
+ model->shutdown(msrs);
+ free_msrs();
+ put_cpu_var(cpu_msrs);
+}
+
#ifdef CONFIG_PM
static int nmi_suspend(struct sys_device *dev, pm_message_t state)
--
1.7.0.3
--
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