Subject: + drivers-oprofile-replace-__get_cpu_var-uses-for-address-calculation.patch added to -mm tree
To: cl@xxxxxxxxx,rric@xxxxxxxxxx,tj@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 04 Mar 2014 14:27:17 -0800
The patch titled
Subject: drivers/oprofile: replace __get_cpu_var uses for address calculation
has been added to the -mm tree. Its filename is
drivers-oprofile-replace-__get_cpu_var-uses-for-address-calculation.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/drivers-oprofile-replace-__get_cpu_var-uses-for-address-calculation.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/drivers-oprofile-replace-__get_cpu_var-uses-for-address-calculation.patch
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------------------------------------------------------
From: Christoph Lameter <cl@xxxxxxxxx>
Subject: drivers/oprofile: replace __get_cpu_var uses for address calculation
Replace the uses of __get_cpu_var for address calculation with this_cpu_ptr.
Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>
Cc: Robert Richter <rric@xxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/oprofile/cpu_buffer.c | 10 +++++-----
drivers/oprofile/timer_int.c | 2 +-
2 files changed, 6 insertions(+), 6 deletions(-)
diff -puN drivers/oprofile/cpu_buffer.c~drivers-oprofile-replace-__get_cpu_var-uses-for-address-calculation drivers/oprofile/cpu_buffer.c
--- a/drivers/oprofile/cpu_buffer.c~drivers-oprofile-replace-__get_cpu_var-uses-for-address-calculation
+++ a/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;
diff -puN drivers/oprofile/timer_int.c~drivers-oprofile-replace-__get_cpu_var-uses-for-address-calculation drivers/oprofile/timer_int.c
--- a/drivers/oprofile/timer_int.c~drivers-oprofile-replace-__get_cpu_var-uses-for-address-calculation
+++ a/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;
_
Patches currently in -mm which might be from cl@xxxxxxxxx are
mm-close-pagetail-race.patch
mm-page_alloc-make-first_page-visible-before-pagetail.patch
kthread-ensure-locality-of-task_struct-allocations.patch
mm-slab-slub-use-page-list-consistently-instead-of-page-lru.patch
kobject-dont-block-for-each-kobject_uevent.patch
kobject-dont-block-for-each-kobject_uevent-v2.patch
slub-do-not-drop-slab_mutex-for-sysfs_slab_add.patch
kmod-run-usermodehelpers-only-on-cpus-allowed-for-kthreadd-v2.patch
kmod-run-usermodehelpers-only-on-cpus-allowed-for-kthreadd-v2-fix.patch
kmod-run-usermodehelpers-only-on-cpus-allowed-for-kthreadd-v2-checkpatch-fixes.patch
linux-next.patch
percpu-add-raw_cpu_ops.patch
mm-use-raw_cpu-ops-for-determining-current-numa-node.patch
modules-use-raw_cpu_write-for-initialization-of-per-cpu-refcount.patch
net-replace-__this_cpu_inc-in-routec-with-raw_cpu_inc.patch
percpu-add-preemption-checks-to-__this_cpu-ops.patch
mm-replace-__get_cpu_var-uses-with-this_cpu_ptr.patch
tracing-replace-__get_cpu_var-uses-with-this_cpu_ptr.patch
percpu-replace-__get_cpu_var-with-this_cpu_ptr.patch
kernel-misc-replace-__get_cpu_var-uses.patch
drivers-char-random-replace-__get_cpu_var-uses.patch
drivers-cpuidle-replace-__get_cpu_var-uses-for-address-calculation.patch
drivers-oprofile-replace-__get_cpu_var-uses-for-address-calculation.patch
drivers-leds-replace-__get_cpu_var-use-through-this_cpu_ptr.patch
drivers-clocksource-replace-__get_cpu_var-used-for-address-calculation.patch
parisc-replace-__get_cpu_var-uses-for-address-calculation.patch
metag-replace-__get_cpu_var-uses-for-address-calculation.patch
drivers-net-ethernet-tile-replace-__get_cpu_var-uses-for-address-calculation.patch
drivers-net-ethernet-tile-__get_cpu_var-call-introduced-in-314.patch
tilegx-another-case-of-get_cpu_var.patch
time-replace-__get_cpu_var-uses.patch
scheduler-replace-__get_cpu_var-with-this_cpu_ptr.patch
tick-sched-fix-two-new-uses-of-__get_cpu_ptr.patch
block-replace-__this_cpu_ptr-with-raw_cpu_ptr.patch
rcu-replace-__this_cpu_ptr-uses-with-raw_cpu_ptr.patch
watchdog-replace-__raw_get_cpu_var-uses.patch
net-replace-get_cpu_var-through-this_cpu_ptr.patch
md-replace-__this_cpu_ptr-with-raw_cpu_ptr.patch
irqchips-replace-__this_cpu_ptr-uses.patch
x86-replace-__get_cpu_var-uses.patch
x86-change-__get_cpu_var-calls-introduced-in-314.patch
uv-replace-__get_cpu_var.patch
arm-replace-__this_cpu_ptr-with-raw_cpu_ptr.patch
mips-replace-__get_cpu_var-uses-in-fpu-emulator.patch
mips-replace-__get_cpu_var-uses.patch
s390-rename-__this_cpu_ptr-to-raw_cpu_ptr.patch
s390-replace-__get_cpu_var-uses.patch
s390-handle-new-__get_cpu_var-calls-added-in-314.patch
ia64-replace-__get_cpu_var-uses.patch
powerpc-replace-__get_cpu_var-uses.patch
powerpc-handle-new-__get_cpu_var-calls-in-314.patch
sparc-replace-__get_cpu_var-uses.patch
tile-replace-__get_cpu_var-uses.patch
blackfin-replace-__get_cpu_var-uses.patch
avr32-replace-__get_cpu_var-with-__this_cpu_write.patch
alpha-replace-__get_cpu_var.patch
sh-replace-__get_cpu_var-uses.patch
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