[PATCH 07/41] drivers/oprofile: Replace __get_cpu_var uses for address calculation

[Christoph Lameter]

Replace the uses of __get_cpu_var for address calculation with this_cpu_ptr.

Cc: Robert Richter <r...@kernel.org>
Cc: oprofile-l...@lists.sf.net
Signed-off-by: Christoph Lameter <c...@linux.com>

Index: linux/drivers/oprofile/cpu_buffer.c
===================================================================
--- linux.orig/drivers/oprofile/cpu_buffer.c    2013-12-02 16:07:48.614666335 
-0600
+++ linux/drivers/oprofile/cpu_buffer.c 2013-12-02 16:07:48.614666335 -0600
@@ -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     2013-12-02 16:07:48.614666335 
-0600
+++ linux/drivers/oprofile/timer_int.c  2013-12-02 16:07:48.614666335 -0600
@@ -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;

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