[PATCH 08/35] [PATCH 08/36] drivers/oprofile: Replace __get_cpu_var uses for address calculation

Christoph Lameter
2014-08-17T17:31:09Z

[-- Attachment #1: 0008-drivers-oprofile-Replace-__get_cpu_var-uses-for-addr.patch --]
[-- Type: text/plain, Size: 2499 bytes --]

Replace the uses of __get_cpu_var for address calculation with this_cpu_ptr.

Cc: Robert Richter <rric@kernel.org>
Cc: oprofile-list@lists.sf.net
Signed-off-by: Christoph Lameter <cl@linux.com>
---
drivers/oprofile/cpu_buffer.c | 10 +++++-----
drivers/oprofile/timer_int.c | 2 +-
2 files changed, 6 insertions(+), 6 deletions(-)

Index: linux/drivers/oprofile/cpu_buffer.c
===================================================================
--- linux.orig/drivers/oprofile/cpu_buffer.c
+++ linux/drivers/oprofile/cpu_buffer.c
@@ -45,7 +45,7 @@ unsigned long oprofile_get_cpu_buffer_si

void oprofile_cpu_buffer_inc_smpl_lost(void)
{
- struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(op_cpu_buffer);
+ struct oprofile_cpu_buffer *cpu_buf = this_cpu_ptr(&op_cpu_buffer);

cpu_buf->sample_lost_overflow++;
}
@@ -297,7 +297,7 @@ __oprofile_add_ext_sample(unsigned long
unsigned long event, int is_kernel,
struct task_struct *task)
{
- struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(op_cpu_buffer);
+ struct oprofile_cpu_buffer *cpu_buf = this_cpu_ptr(&op_cpu_buffer);
unsigned long backtrace = oprofile_backtrace_depth;

/*
@@ -357,7 +357,7 @@ oprofile_write_reserve(struct op_entry *
{
struct op_sample *sample;
int is_kernel = !user_mode(regs);
- struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(op_cpu_buffer);
+ struct oprofile_cpu_buffer *cpu_buf = this_cpu_ptr(&op_cpu_buffer);

cpu_buf->sample_received++;

@@ -412,13 +412,13 @@ int oprofile_write_commit(struct op_entr

void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event)
{
- struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(op_cpu_buffer);
+ struct oprofile_cpu_buffer *cpu_buf = this_cpu_ptr(&op_cpu_buffer);
log_sample(cpu_buf, pc, 0, is_kernel, event, NULL);
}

void oprofile_add_trace(unsigned long pc)
{
- struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(op_cpu_buffer);
+ struct oprofile_cpu_buffer *cpu_buf = this_cpu_ptr(&op_cpu_buffer);

if (!cpu_buf->tracing)
return;
Index: linux/drivers/oprofile/timer_int.c
===================================================================
--- linux.orig/drivers/oprofile/timer_int.c
+++ linux/drivers/oprofile/timer_int.c
@@ -32,7 +32,7 @@ static enum hrtimer_restart oprofile_hrt

static void __oprofile_hrtimer_start(void *unused)
{
- struct hrtimer *hrtimer = &__get_cpu_var(oprofile_hrtimer);
+ struct hrtimer *hrtimer = this_cpu_ptr(&oprofile_hrtimer);

if (!ctr_running)
return;