drivers/oprofile: Replace __get_cpu_var uses for address calculation
authorChristoph Lameter <cl@linux.com>
Sun, 17 Aug 2014 17:30:31 +0000 (12:30 -0500)
committerTejun Heo <tj@kernel.org>
Tue, 26 Aug 2014 17:45:46 +0000 (13:45 -0400)
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>
Signed-off-by: Tejun Heo <tj@kernel.org>
drivers/oprofile/cpu_buffer.c
drivers/oprofile/timer_int.c

index 8aa73fac6ad4ee30153b1aeada1b15861eb571ac..0581461c3a67be58ebeebee854bdc091e5f2befb 100644 (file)
@@ -45,7 +45,7 @@ unsigned long oprofile_get_cpu_buffer_size(void)
 
 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 pc, struct pt_regs * const regs,
                          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 *entry, struct pt_regs * const regs,
 {
        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_entry *entry)
 
 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 61be1d9c16c85f6da3243b74b6b5c63ec3cef774..bdef916e5dda3c02eb9f29504b0e69faa6a7bd8b 100644 (file)
@@ -32,7 +32,7 @@ static enum hrtimer_restart oprofile_hrtimer_notify(struct hrtimer *hrtimer)
 
 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;