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Message-ID: <00000140ac8e2da8-5377b093-cdf2-434d-bf64-4fdca4f741b0-000000@email.amazonses.com>
Date: Fri, 23 Aug 2013 19:02:13 +0000
From: Christoph Lameter <cl@...ux.com>
To: Tejun Heo <tj@...nel.org>
Cc: linux-kernel@...r.kernel.org
Subject: [guv 12/16] sparc: __get_cpu_var conversion
Signed-off-by: Christoph Lameter <cl@...ux.com>
Index: linux/arch/sparc/include/asm/cpudata_32.h
===================================================================
--- linux.orig/arch/sparc/include/asm/cpudata_32.h 2013-08-22 14:34:54.000000000 -0500
+++ linux/arch/sparc/include/asm/cpudata_32.h 2013-08-22 14:37:15.942964723 -0500
@@ -26,6 +26,6 @@ typedef struct {
DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data);
#define cpu_data(__cpu) per_cpu(__cpu_data, (__cpu))
-#define local_cpu_data() __get_cpu_var(__cpu_data)
+#define local_cpu_data() __this_cpu_read(__cpu_data)
#endif /* _SPARC_CPUDATA_H */
Index: linux/arch/sparc/include/asm/cpudata_64.h
===================================================================
--- linux.orig/arch/sparc/include/asm/cpudata_64.h 2013-08-22 14:34:54.000000000 -0500
+++ linux/arch/sparc/include/asm/cpudata_64.h 2013-08-22 14:37:15.942964723 -0500
@@ -33,7 +33,7 @@ typedef struct {
DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data);
#define cpu_data(__cpu) per_cpu(__cpu_data, (__cpu))
-#define local_cpu_data() __get_cpu_var(__cpu_data)
+#define local_cpu_data() __this_cpu_read(__cpu_data)
extern const struct seq_operations cpuinfo_op;
Index: linux/arch/sparc/kernel/kprobes.c
===================================================================
--- linux.orig/arch/sparc/kernel/kprobes.c 2013-08-22 14:34:54.000000000 -0500
+++ linux/arch/sparc/kernel/kprobes.c 2013-08-22 14:37:15.942964723 -0500
@@ -82,7 +82,7 @@ static void __kprobes save_previous_kpro
static void __kprobes 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_orig_tnpc = kcb->prev_kprobe.orig_tnpc;
kcb->kprobe_orig_tstate_pil = kcb->prev_kprobe.orig_tstate_pil;
@@ -91,7 +91,7 @@ static void __kprobes restore_previous_k
static void __kprobes 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_orig_tnpc = regs->tnpc;
kcb->kprobe_orig_tstate_pil = (regs->tstate & TSTATE_PIL);
}
@@ -154,7 +154,7 @@ 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/sparc/kernel/leon_smp.c
===================================================================
--- linux.orig/arch/sparc/kernel/leon_smp.c 2013-08-22 14:34:54.000000000 -0500
+++ linux/arch/sparc/kernel/leon_smp.c 2013-08-22 14:37:15.942964723 -0500
@@ -354,7 +354,7 @@ static void leon_ipi_resched(int cpu)
void leonsmp_ipi_interrupt(void)
{
- struct leon_ipi_work *work = &__get_cpu_var(leon_ipi_work);
+ struct leon_ipi_work *work = this_cpu_ptr(&leon_ipi_work);
if (work->single) {
work->single = 0;
Index: linux/arch/sparc/kernel/nmi.c
===================================================================
--- linux.orig/arch/sparc/kernel/nmi.c 2013-08-22 14:34:54.000000000 -0500
+++ linux/arch/sparc/kernel/nmi.c 2013-08-22 14:37:15.942964723 -0500
@@ -111,20 +111,20 @@ notrace __kprobes void perfctr_irq(int i
pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_disable);
sum = local_cpu_data().irq0_irqs;
- if (__get_cpu_var(nmi_touch)) {
- __get_cpu_var(nmi_touch) = 0;
+ if (__this_cpu_read(nmi_touch)) {
+ __this_cpu_write(nmi_touch, 0);
touched = 1;
}
- if (!touched && __get_cpu_var(last_irq_sum) == sum) {
+ if (!touched && __this_cpu_read(last_irq_sum) == sum) {
__this_cpu_inc(alert_counter);
if (__this_cpu_read(alert_counter) == 30 * nmi_hz)
die_nmi("BUG: NMI Watchdog detected LOCKUP",
regs, panic_on_timeout);
} else {
- __get_cpu_var(last_irq_sum) = sum;
+ __this_cpu_write(last_irq_sum, sum);
__this_cpu_write(alert_counter, 0);
}
- if (__get_cpu_var(wd_enabled)) {
+ if (__this_cpu_read(wd_enabled)) {
pcr_ops->write_pic(0, pcr_ops->nmi_picl_value(nmi_hz));
pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_enable);
}
@@ -166,7 +166,7 @@ static void report_broken_nmi(int cpu, i
void stop_nmi_watchdog(void *unused)
{
pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_disable);
- __get_cpu_var(wd_enabled) = 0;
+ __this_cpu_write(wd_enabled, 0);
atomic_dec(&nmi_active);
}
@@ -219,7 +219,7 @@ error:
void start_nmi_watchdog(void *unused)
{
- __get_cpu_var(wd_enabled) = 1;
+ __this_cpu_write(wd_enabled, 1);
atomic_inc(&nmi_active);
pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_disable);
@@ -230,7 +230,7 @@ void start_nmi_watchdog(void *unused)
static void nmi_adjust_hz_one(void *unused)
{
- if (!__get_cpu_var(wd_enabled))
+ if (!__this_cpu_read(wd_enabled))
return;
pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_disable);
Index: linux/arch/sparc/kernel/pci_sun4v.c
===================================================================
--- linux.orig/arch/sparc/kernel/pci_sun4v.c 2013-08-22 14:34:54.000000000 -0500
+++ linux/arch/sparc/kernel/pci_sun4v.c 2013-08-22 14:37:15.942964723 -0500
@@ -48,7 +48,7 @@ static int iommu_batch_initialized;
/* Interrupts must be disabled. */
static inline void iommu_batch_start(struct device *dev, unsigned long prot, unsigned long entry)
{
- struct iommu_batch *p = &__get_cpu_var(iommu_batch);
+ struct iommu_batch *p = this_cpu_ptr(&iommu_batch);
p->dev = dev;
p->prot = prot;
@@ -94,7 +94,7 @@ static long iommu_batch_flush(struct iom
static inline void iommu_batch_new_entry(unsigned long entry)
{
- struct iommu_batch *p = &__get_cpu_var(iommu_batch);
+ struct iommu_batch *p = this_cpu_ptr(&iommu_batch);
if (p->entry + p->npages == entry)
return;
@@ -106,7 +106,7 @@ static inline void iommu_batch_new_entry
/* Interrupts must be disabled. */
static inline long iommu_batch_add(u64 phys_page)
{
- struct iommu_batch *p = &__get_cpu_var(iommu_batch);
+ struct iommu_batch *p = this_cpu_ptr(&iommu_batch);
BUG_ON(p->npages >= PGLIST_NENTS);
@@ -120,7 +120,7 @@ static inline long iommu_batch_add(u64 p
/* Interrupts must be disabled. */
static inline long iommu_batch_end(void)
{
- struct iommu_batch *p = &__get_cpu_var(iommu_batch);
+ struct iommu_batch *p = this_cpu_ptr(&iommu_batch);
BUG_ON(p->npages >= PGLIST_NENTS);
Index: linux/arch/sparc/kernel/perf_event.c
===================================================================
--- linux.orig/arch/sparc/kernel/perf_event.c 2013-08-22 14:34:54.000000000 -0500
+++ linux/arch/sparc/kernel/perf_event.c 2013-08-22 14:37:15.946964681 -0500
@@ -1013,7 +1013,7 @@ static void update_pcrs_for_enable(struc
static void sparc_pmu_enable(struct pmu *pmu)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
int i;
if (cpuc->enabled)
@@ -1031,7 +1031,7 @@ static void sparc_pmu_enable(struct pmu
static void sparc_pmu_disable(struct pmu *pmu)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
int i;
if (!cpuc->enabled)
@@ -1065,7 +1065,7 @@ static int active_event_index(struct cpu
static void sparc_pmu_start(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);
int idx = active_event_index(cpuc, event);
if (flags & PERF_EF_RELOAD) {
@@ -1080,7 +1080,7 @@ static void sparc_pmu_start(struct perf_
static void sparc_pmu_stop(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);
int idx = active_event_index(cpuc, event);
if (!(event->hw.state & PERF_HES_STOPPED)) {
@@ -1096,7 +1096,7 @@ static void sparc_pmu_stop(struct perf_e
static void sparc_pmu_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);
unsigned long flags;
int i;
@@ -1133,7 +1133,7 @@ static void sparc_pmu_del(struct perf_ev
static void sparc_pmu_read(struct perf_event *event)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
int idx = active_event_index(cpuc, event);
struct hw_perf_event *hwc = &event->hw;
@@ -1145,7 +1145,7 @@ static DEFINE_MUTEX(pmc_grab_mutex);
static void perf_stop_nmi_watchdog(void *unused)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
int i;
stop_nmi_watchdog(NULL);
@@ -1356,7 +1356,7 @@ static int collect_events(struct perf_ev
static int sparc_pmu_add(struct perf_event *event, int ef_flags)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
int n0, ret = -EAGAIN;
unsigned long flags;
@@ -1498,7 +1498,7 @@ static int sparc_pmu_event_init(struct p
*/
static void sparc_pmu_start_txn(struct pmu *pmu)
{
- struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuhw = this_cpu_ptr(&cpu_hw_events);
perf_pmu_disable(pmu);
cpuhw->group_flag |= PERF_EVENT_TXN;
@@ -1511,7 +1511,7 @@ static void sparc_pmu_start_txn(struct p
*/
static void sparc_pmu_cancel_txn(struct pmu *pmu)
{
- struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuhw = this_cpu_ptr(&cpu_hw_events);
cpuhw->group_flag &= ~PERF_EVENT_TXN;
perf_pmu_enable(pmu);
@@ -1524,13 +1524,13 @@ static void sparc_pmu_cancel_txn(struct
*/
static int sparc_pmu_commit_txn(struct pmu *pmu)
{
- struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
int n;
if (!sparc_pmu)
return -EINVAL;
- cpuc = &__get_cpu_var(cpu_hw_events);
+ cpuc = this_cpu_ptr(&cpu_hw_events);
n = cpuc->n_events;
if (check_excludes(cpuc->event, 0, n))
return -EINVAL;
@@ -1601,7 +1601,7 @@ static int __kprobes perf_event_nmi_hand
regs = args->regs;
- cpuc = &__get_cpu_var(cpu_hw_events);
+ cpuc = this_cpu_ptr(&cpu_hw_events);
/* If the PMU has the TOE IRQ enable bits, we need to do a
* dummy write to the %pcr to clear the overflow bits and thus
Index: linux/arch/sparc/kernel/sun4d_smp.c
===================================================================
--- linux.orig/arch/sparc/kernel/sun4d_smp.c 2013-08-22 14:34:54.000000000 -0500
+++ linux/arch/sparc/kernel/sun4d_smp.c 2013-08-22 14:37:15.946964681 -0500
@@ -204,7 +204,7 @@ static void __init smp4d_ipi_init(void)
void sun4d_ipi_interrupt(void)
{
- struct sun4d_ipi_work *work = &__get_cpu_var(sun4d_ipi_work);
+ struct sun4d_ipi_work *work = this_cpu_ptr(&sun4d_ipi_work);
if (work->single) {
work->single = 0;
Index: linux/arch/sparc/kernel/time_64.c
===================================================================
--- linux.orig/arch/sparc/kernel/time_64.c 2013-08-22 14:34:54.000000000 -0500
+++ linux/arch/sparc/kernel/time_64.c 2013-08-22 14:37:15.946964681 -0500
@@ -766,7 +766,7 @@ void setup_sparc64_timer(void)
: /* no outputs */
: "r" (pstate));
- sevt = &__get_cpu_var(sparc64_events);
+ sevt = this_cpu_ptr(&sparc64_events);
memcpy(sevt, &sparc64_clockevent, sizeof(*sevt));
sevt->cpumask = cpumask_of(smp_processor_id());
Index: linux/arch/sparc/mm/tlb.c
===================================================================
--- linux.orig/arch/sparc/mm/tlb.c 2013-08-22 14:34:54.000000000 -0500
+++ linux/arch/sparc/mm/tlb.c 2013-08-22 14:37:15.946964681 -0500
@@ -53,14 +53,14 @@ out:
void arch_enter_lazy_mmu_mode(void)
{
- struct tlb_batch *tb = &__get_cpu_var(tlb_batch);
+ struct tlb_batch *tb = this_cpu_ptr(&tlb_batch);
tb->active = 1;
}
void arch_leave_lazy_mmu_mode(void)
{
- struct tlb_batch *tb = &__get_cpu_var(tlb_batch);
+ struct tlb_batch *tb = this_cpu_ptr(&tlb_batch);
if (tb->tlb_nr)
flush_tlb_pending();
--
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