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Date: Fri, 23 Aug 2013 19:02:19 +0000
From: Christoph Lameter <cl@...ux.com>
To: Tejun Heo <tj@...nel.org>
Cc: linux-kernel@...r.kernel.org
Subject: [guv 08/16] mips: __get_cpu_var conversion
Signed-off-by: Christoph Lameter <cl@...ux.com>
Index: linux/arch/mips/include/asm/fpu_emulator.h
===================================================================
--- linux.orig/arch/mips/include/asm/fpu_emulator.h 2013-08-22 14:18:23.138568266 -0500
+++ linux/arch/mips/include/asm/fpu_emulator.h 2013-08-22 14:18:23.130568348 -0500
@@ -43,7 +43,7 @@ DECLARE_PER_CPU(struct mips_fpu_emulator
#define MIPS_FPU_EMU_INC_STATS(M) \
do { \
preempt_disable(); \
- __local_inc(&__get_cpu_var(fpuemustats).M); \
+ __this_cpu_inc(fpuemustats.M); \
preempt_enable(); \
} while (0)
Index: linux/arch/mips/cavium-octeon/octeon-irq.c
===================================================================
--- linux.orig/arch/mips/cavium-octeon/octeon-irq.c 2013-08-22 14:17:32.000000000 -0500
+++ linux/arch/mips/cavium-octeon/octeon-irq.c 2013-08-22 14:18:54.210250887 -0500
@@ -264,13 +264,13 @@ static void octeon_irq_ciu_enable_local(
unsigned long *pen;
unsigned long flags;
union octeon_ciu_chip_data cd;
- raw_spinlock_t *lock = &__get_cpu_var(octeon_irq_ciu_spinlock);
+ raw_spinlock_t *lock = this_cpu_ptr(&octeon_irq_ciu_spinlock);
cd.p = irq_data_get_irq_chip_data(data);
raw_spin_lock_irqsave(lock, flags);
if (cd.s.line == 0) {
- pen = &__get_cpu_var(octeon_irq_ciu0_en_mirror);
+ pen = this_cpu_ptr(&octeon_irq_ciu0_en_mirror);
__set_bit(cd.s.bit, pen);
/*
* Must be visible to octeon_irq_ip{2,3}_ciu() before
@@ -279,7 +279,7 @@ static void octeon_irq_ciu_enable_local(
wmb();
cvmx_write_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num() * 2), *pen);
} else {
- pen = &__get_cpu_var(octeon_irq_ciu1_en_mirror);
+ pen = this_cpu_ptr(&octeon_irq_ciu1_en_mirror);
__set_bit(cd.s.bit, pen);
/*
* Must be visible to octeon_irq_ip{2,3}_ciu() before
@@ -296,13 +296,13 @@ static void octeon_irq_ciu_disable_local
unsigned long *pen;
unsigned long flags;
union octeon_ciu_chip_data cd;
- raw_spinlock_t *lock = &__get_cpu_var(octeon_irq_ciu_spinlock);
+ raw_spinlock_t *lock = this_cpu_ptr(&octeon_irq_ciu_spinlock);
cd.p = irq_data_get_irq_chip_data(data);
raw_spin_lock_irqsave(lock, flags);
if (cd.s.line == 0) {
- pen = &__get_cpu_var(octeon_irq_ciu0_en_mirror);
+ pen = this_cpu_ptr(&octeon_irq_ciu0_en_mirror);
__clear_bit(cd.s.bit, pen);
/*
* Must be visible to octeon_irq_ip{2,3}_ciu() before
@@ -311,7 +311,7 @@ static void octeon_irq_ciu_disable_local
wmb();
cvmx_write_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num() * 2), *pen);
} else {
- pen = &__get_cpu_var(octeon_irq_ciu1_en_mirror);
+ pen = this_cpu_ptr(&octeon_irq_ciu1_en_mirror);
__clear_bit(cd.s.bit, pen);
/*
* Must be visible to octeon_irq_ip{2,3}_ciu() before
@@ -431,11 +431,11 @@ static void octeon_irq_ciu_enable_local_
if (cd.s.line == 0) {
int index = cvmx_get_core_num() * 2;
- set_bit(cd.s.bit, &__get_cpu_var(octeon_irq_ciu0_en_mirror));
+ set_bit(cd.s.bit, this_cpu_ptr(&octeon_irq_ciu0_en_mirror));
cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask);
} else {
int index = cvmx_get_core_num() * 2 + 1;
- set_bit(cd.s.bit, &__get_cpu_var(octeon_irq_ciu1_en_mirror));
+ set_bit(cd.s.bit, this_cpu_ptr(&octeon_irq_ciu1_en_mirror));
cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask);
}
}
@@ -450,11 +450,11 @@ static void octeon_irq_ciu_disable_local
if (cd.s.line == 0) {
int index = cvmx_get_core_num() * 2;
- clear_bit(cd.s.bit, &__get_cpu_var(octeon_irq_ciu0_en_mirror));
+ clear_bit(cd.s.bit, this_cpu_ptr(&octeon_irq_ciu0_en_mirror));
cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask);
} else {
int index = cvmx_get_core_num() * 2 + 1;
- clear_bit(cd.s.bit, &__get_cpu_var(octeon_irq_ciu1_en_mirror));
+ clear_bit(cd.s.bit, this_cpu_ptr(&octeon_irq_ciu1_en_mirror));
cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask);
}
}
@@ -1063,7 +1063,7 @@ static void octeon_irq_ip2_ciu(void)
const unsigned long core_id = cvmx_get_core_num();
u64 ciu_sum = cvmx_read_csr(CVMX_CIU_INTX_SUM0(core_id * 2));
- ciu_sum &= __get_cpu_var(octeon_irq_ciu0_en_mirror);
+ ciu_sum &= __this_cpu_read(octeon_irq_ciu0_en_mirror);
if (likely(ciu_sum)) {
int bit = fls64(ciu_sum) - 1;
int irq = octeon_irq_ciu_to_irq[0][bit];
@@ -1080,7 +1080,7 @@ static void octeon_irq_ip3_ciu(void)
{
u64 ciu_sum = cvmx_read_csr(CVMX_CIU_INT_SUM1);
- ciu_sum &= __get_cpu_var(octeon_irq_ciu1_en_mirror);
+ ciu_sum &= __this_cpu_read(octeon_irq_ciu1_en_mirror);
if (likely(ciu_sum)) {
int bit = fls64(ciu_sum) - 1;
int irq = octeon_irq_ciu_to_irq[1][bit];
@@ -1129,10 +1129,10 @@ static void octeon_irq_init_ciu_percpu(v
int coreid = cvmx_get_core_num();
- __get_cpu_var(octeon_irq_ciu0_en_mirror) = 0;
- __get_cpu_var(octeon_irq_ciu1_en_mirror) = 0;
+ __this_cpu_write(octeon_irq_ciu0_en_mirror, 0);
+ __this_cpu_write(octeon_irq_ciu1_en_mirror, 0);
wmb();
- raw_spin_lock_init(&__get_cpu_var(octeon_irq_ciu_spinlock));
+ raw_spin_lock_init(this_cpu_ptr(&octeon_irq_ciu_spinlock));
/*
* Disable All CIU Interrupts. The ones we need will be
* enabled later. Read the SUM register so we know the write
Index: linux/arch/mips/kernel/kprobes.c
===================================================================
--- linux.orig/arch/mips/kernel/kprobes.c 2013-08-22 14:17:32.000000000 -0500
+++ linux/arch/mips/kernel/kprobes.c 2013-08-22 14:18:54.210250887 -0500
@@ -224,7 +224,7 @@ static void save_previous_kprobe(struct
static void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
{
- __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
+ __this_cpu_write(current_kprobe, kcb->prev_kprobe.kp);
kcb->kprobe_status = kcb->prev_kprobe.status;
kcb->kprobe_old_SR = kcb->prev_kprobe.old_SR;
kcb->kprobe_saved_SR = kcb->prev_kprobe.saved_SR;
@@ -234,7 +234,7 @@ static void restore_previous_kprobe(stru
static void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
struct kprobe_ctlblk *kcb)
{
- __get_cpu_var(current_kprobe) = p;
+ __this_cpu_write(current_kprobe, p);
kcb->kprobe_saved_SR = kcb->kprobe_old_SR = (regs->cp0_status & ST0_IE);
kcb->kprobe_saved_epc = regs->cp0_epc;
}
@@ -385,7 +385,7 @@ static int __kprobes kprobe_handler(stru
ret = 1;
goto no_kprobe;
}
- p = __get_cpu_var(current_kprobe);
+ p = __this_cpu_read(current_kprobe);
if (p->break_handler && p->break_handler(p, regs))
goto ss_probe;
}
Index: linux/arch/mips/kernel/perf_event_mipsxx.c
===================================================================
--- linux.orig/arch/mips/kernel/perf_event_mipsxx.c 2013-08-22 14:17:32.000000000 -0500
+++ linux/arch/mips/kernel/perf_event_mipsxx.c 2013-08-22 14:18:54.210250887 -0500
@@ -340,7 +340,7 @@ static int mipsxx_pmu_alloc_counter(stru
static void mipsxx_pmu_enable_event(struct hw_perf_event *evt, int idx)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
WARN_ON(idx < 0 || idx >= mipspmu.num_counters);
@@ -360,7 +360,7 @@ static void mipsxx_pmu_enable_event(stru
static void mipsxx_pmu_disable_event(int idx)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
unsigned long flags;
WARN_ON(idx < 0 || idx >= mipspmu.num_counters);
@@ -460,7 +460,7 @@ static void mipspmu_stop(struct perf_eve
static int mipspmu_add(struct perf_event *event, int flags)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
struct hw_perf_event *hwc = &event->hw;
int idx;
int err = 0;
@@ -496,7 +496,7 @@ out:
static void mipspmu_del(struct perf_event *event, int flags)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
struct hw_perf_event *hwc = &event->hw;
int idx = hwc->idx;
@@ -1270,7 +1270,7 @@ static int __hw_perf_event_init(struct p
static void pause_local_counters(void)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
int ctr = mipspmu.num_counters;
unsigned long flags;
@@ -1286,7 +1286,7 @@ static void pause_local_counters(void)
static void resume_local_counters(void)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
int ctr = mipspmu.num_counters;
do {
@@ -1297,7 +1297,7 @@ static void resume_local_counters(void)
static int mipsxx_pmu_handle_shared_irq(void)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
struct perf_sample_data data;
unsigned int counters = mipspmu.num_counters;
u64 counter;
Index: linux/arch/mips/kernel/smp-bmips.c
===================================================================
--- linux.orig/arch/mips/kernel/smp-bmips.c 2013-08-22 14:17:32.000000000 -0500
+++ linux/arch/mips/kernel/smp-bmips.c 2013-08-22 14:18:54.214250846 -0500
@@ -304,7 +304,7 @@ static irqreturn_t bmips_ipi_interrupt(i
int action, cpu = irq - IPI0_IRQ;
spin_lock_irqsave(&ipi_lock, flags);
- action = __get_cpu_var(ipi_action_mask);
+ action = __this_cpu_read(ipi_action_mask);
per_cpu(ipi_action_mask, cpu) = 0;
clear_c0_cause(cpu ? C_SW1 : C_SW0);
spin_unlock_irqrestore(&ipi_lock, flags);
--
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