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Diffstat (limited to 'arch/tile')
-rw-r--r--arch/tile/include/asm/irq.h10
-rw-r--r--arch/tile/kernel/irq.c16
-rw-r--r--arch/tile/kernel/pci-dma.c1
-rw-r--r--arch/tile/kernel/pci.c1
-rw-r--r--arch/tile/kernel/process.c6
-rw-r--r--arch/tile/kernel/sysfs.c62
-rw-r--r--arch/tile/lib/exports.c3
-rw-r--r--arch/tile/mm/fault.c4
-rw-r--r--arch/tile/mm/homecache.c9
9 files changed, 56 insertions, 56 deletions
diff --git a/arch/tile/include/asm/irq.h b/arch/tile/include/asm/irq.h
index 94e9a511de8..f80f8ceabc6 100644
--- a/arch/tile/include/asm/irq.h
+++ b/arch/tile/include/asm/irq.h
@@ -74,16 +74,6 @@ enum {
*/
void tile_irq_activate(unsigned int irq, int tile_irq_type);
-/*
- * For onboard, non-PCI (e.g. TILE_IRQ_PERCPU) devices, drivers know
- * how to use enable/disable_percpu_irq() to manage interrupts on each
- * core. We can't use the generic enable/disable_irq() because they
- * use a single reference count per irq, rather than per cpu per irq.
- */
-void enable_percpu_irq(unsigned int irq);
-void disable_percpu_irq(unsigned int irq);
-
-
void setup_irq_regs(void);
#endif /* _ASM_TILE_IRQ_H */
diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c
index aa0134db2dd..02e62806501 100644
--- a/arch/tile/kernel/irq.c
+++ b/arch/tile/kernel/irq.c
@@ -152,14 +152,13 @@ void tile_dev_intr(struct pt_regs *regs, int intnum)
* Remove an irq from the disabled mask. If we're in an interrupt
* context, defer enabling the HW interrupt until we leave.
*/
-void enable_percpu_irq(unsigned int irq)
+static void tile_irq_chip_enable(struct irq_data *d)
{
- get_cpu_var(irq_disable_mask) &= ~(1UL << irq);
+ get_cpu_var(irq_disable_mask) &= ~(1UL << d->irq);
if (__get_cpu_var(irq_depth) == 0)
- unmask_irqs(1UL << irq);
+ unmask_irqs(1UL << d->irq);
put_cpu_var(irq_disable_mask);
}
-EXPORT_SYMBOL(enable_percpu_irq);
/*
* Add an irq to the disabled mask. We disable the HW interrupt
@@ -167,13 +166,12 @@ EXPORT_SYMBOL(enable_percpu_irq);
* in an interrupt context, the return path is careful to avoid
* unmasking a newly disabled interrupt.
*/
-void disable_percpu_irq(unsigned int irq)
+static void tile_irq_chip_disable(struct irq_data *d)
{
- get_cpu_var(irq_disable_mask) |= (1UL << irq);
- mask_irqs(1UL << irq);
+ get_cpu_var(irq_disable_mask) |= (1UL << d->irq);
+ mask_irqs(1UL << d->irq);
put_cpu_var(irq_disable_mask);
}
-EXPORT_SYMBOL(disable_percpu_irq);
/* Mask an interrupt. */
static void tile_irq_chip_mask(struct irq_data *d)
@@ -209,6 +207,8 @@ static void tile_irq_chip_eoi(struct irq_data *d)
static struct irq_chip tile_irq_chip = {
.name = "tile_irq_chip",
+ .irq_enable = tile_irq_chip_enable,
+ .irq_disable = tile_irq_chip_disable,
.irq_ack = tile_irq_chip_ack,
.irq_eoi = tile_irq_chip_eoi,
.irq_mask = tile_irq_chip_mask,
diff --git a/arch/tile/kernel/pci-dma.c b/arch/tile/kernel/pci-dma.c
index 658f2ce426a..b3ed19f8779 100644
--- a/arch/tile/kernel/pci-dma.c
+++ b/arch/tile/kernel/pci-dma.c
@@ -15,6 +15,7 @@
#include <linux/mm.h>
#include <linux/dma-mapping.h>
#include <linux/vmalloc.h>
+#include <linux/export.h>
#include <asm/tlbflush.h>
#include <asm/homecache.h>
diff --git a/arch/tile/kernel/pci.c b/arch/tile/kernel/pci.c
index 2a8014cb1ff..9d610d3fb11 100644
--- a/arch/tile/kernel/pci.c
+++ b/arch/tile/kernel/pci.c
@@ -24,6 +24,7 @@
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/uaccess.h>
+#include <linux/export.h>
#include <asm/processor.h>
#include <asm/sections.h>
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c
index 9c45d8bbdf5..4c1ac6e5347 100644
--- a/arch/tile/kernel/process.c
+++ b/arch/tile/kernel/process.c
@@ -85,7 +85,8 @@ void cpu_idle(void)
/* endless idle loop with no priority at all */
while (1) {
- tick_nohz_stop_sched_tick(1);
+ tick_nohz_idle_enter();
+ rcu_idle_enter();
while (!need_resched()) {
if (cpu_is_offline(cpu))
BUG(); /* no HOTPLUG_CPU */
@@ -105,7 +106,8 @@ void cpu_idle(void)
local_irq_enable();
current_thread_info()->status |= TS_POLLING;
}
- tick_nohz_restart_sched_tick();
+ rcu_idle_exit();
+ tick_nohz_idle_exit();
preempt_enable_no_resched();
schedule();
preempt_disable();
diff --git a/arch/tile/kernel/sysfs.c b/arch/tile/kernel/sysfs.c
index b671a86f451..f862b005eb7 100644
--- a/arch/tile/kernel/sysfs.c
+++ b/arch/tile/kernel/sysfs.c
@@ -14,10 +14,11 @@
* /sys entry support.
*/
-#include <linux/sysdev.h>
+#include <linux/device.h>
#include <linux/cpu.h>
#include <linux/slab.h>
#include <linux/smp.h>
+#include <linux/stat.h>
#include <hv/hypervisor.h>
/* Return a string queried from the hypervisor, truncated to page size. */
@@ -31,55 +32,55 @@ static ssize_t get_hv_confstr(char *page, int query)
return n;
}
-static ssize_t chip_width_show(struct sysdev_class *dev,
- struct sysdev_class_attribute *attr,
+static ssize_t chip_width_show(struct device *dev,
+ struct device_attribute *attr,
char *page)
{
return sprintf(page, "%u\n", smp_width);
}
-static SYSDEV_CLASS_ATTR(chip_width, 0444, chip_width_show, NULL);
+static DEVICE_ATTR(chip_width, 0444, chip_width_show, NULL);
-static ssize_t chip_height_show(struct sysdev_class *dev,
- struct sysdev_class_attribute *attr,
+static ssize_t chip_height_show(struct device *dev,
+ struct device_attribute *attr,
char *page)
{
return sprintf(page, "%u\n", smp_height);
}
-static SYSDEV_CLASS_ATTR(chip_height, 0444, chip_height_show, NULL);
+static DEVICE_ATTR(chip_height, 0444, chip_height_show, NULL);
-static ssize_t chip_serial_show(struct sysdev_class *dev,
- struct sysdev_class_attribute *attr,
+static ssize_t chip_serial_show(struct device *dev,
+ struct device_attribute *attr,
char *page)
{
return get_hv_confstr(page, HV_CONFSTR_CHIP_SERIAL_NUM);
}
-static SYSDEV_CLASS_ATTR(chip_serial, 0444, chip_serial_show, NULL);
+static DEVICE_ATTR(chip_serial, 0444, chip_serial_show, NULL);
-static ssize_t chip_revision_show(struct sysdev_class *dev,
- struct sysdev_class_attribute *attr,
+static ssize_t chip_revision_show(struct device *dev,
+ struct device_attribute *attr,
char *page)
{
return get_hv_confstr(page, HV_CONFSTR_CHIP_REV);
}
-static SYSDEV_CLASS_ATTR(chip_revision, 0444, chip_revision_show, NULL);
+static DEVICE_ATTR(chip_revision, 0444, chip_revision_show, NULL);
-static ssize_t type_show(struct sysdev_class *dev,
- struct sysdev_class_attribute *attr,
+static ssize_t type_show(struct device *dev,
+ struct device_attribute *attr,
char *page)
{
return sprintf(page, "tilera\n");
}
-static SYSDEV_CLASS_ATTR(type, 0444, type_show, NULL);
+static DEVICE_ATTR(type, 0444, type_show, NULL);
#define HV_CONF_ATTR(name, conf) \
- static ssize_t name ## _show(struct sysdev_class *dev, \
- struct sysdev_class_attribute *attr, \
+ static ssize_t name ## _show(struct device *dev, \
+ struct device_attribute *attr, \
char *page) \
{ \
return get_hv_confstr(page, conf); \
} \
- static SYSDEV_CLASS_ATTR(name, 0444, name ## _show, NULL);
+ static DEVICE_ATTR(name, 0444, name ## _show, NULL);
HV_CONF_ATTR(version, HV_CONFSTR_HV_SW_VER)
HV_CONF_ATTR(config_version, HV_CONFSTR_HV_CONFIG_VER)
@@ -95,15 +96,15 @@ HV_CONF_ATTR(mezz_description, HV_CONFSTR_MEZZ_DESC)
HV_CONF_ATTR(switch_control, HV_CONFSTR_SWITCH_CONTROL)
static struct attribute *board_attrs[] = {
- &attr_board_part.attr,
- &attr_board_serial.attr,
- &attr_board_revision.attr,
- &attr_board_description.attr,
- &attr_mezz_part.attr,
- &attr_mezz_serial.attr,
- &attr_mezz_revision.attr,
- &attr_mezz_description.attr,
- &attr_switch_control.attr,
+ &dev_attr_board_part.attr,
+ &dev_attr_board_serial.attr,
+ &dev_attr_board_revision.attr,
+ &dev_attr_board_description.attr,
+ &dev_attr_mezz_part.attr,
+ &dev_attr_mezz_serial.attr,
+ &dev_attr_mezz_revision.attr,
+ &dev_attr_mezz_description.attr,
+ &dev_attr_switch_control.attr,
NULL
};
@@ -150,12 +151,11 @@ hvconfig_bin_read(struct file *filp, struct kobject *kobj,
static int __init create_sysfs_entries(void)
{
- struct sysdev_class *cls = &cpu_sysdev_class;
int err = 0;
#define create_cpu_attr(name) \
if (!err) \
- err = sysfs_create_file(&cls->kset.kobj, &attr_##name.attr);
+ err = device_create_file(cpu_subsys.dev_root, &dev_attr_##name);
create_cpu_attr(chip_width);
create_cpu_attr(chip_height);
create_cpu_attr(chip_serial);
@@ -163,7 +163,7 @@ static int __init create_sysfs_entries(void)
#define create_hv_attr(name) \
if (!err) \
- err = sysfs_create_file(hypervisor_kobj, &attr_##name.attr);
+ err = sysfs_create_file(hypervisor_kobj, &dev_attr_##name);
create_hv_attr(type);
create_hv_attr(version);
create_hv_attr(config_version);
diff --git a/arch/tile/lib/exports.c b/arch/tile/lib/exports.c
index a87d2a859ba..2a81d32de0d 100644
--- a/arch/tile/lib/exports.c
+++ b/arch/tile/lib/exports.c
@@ -39,6 +39,9 @@ EXPORT_SYMBOL(finv_user_asm);
EXPORT_SYMBOL(current_text_addr);
EXPORT_SYMBOL(dump_stack);
+/* arch/tile/kernel/head.S */
+EXPORT_SYMBOL(empty_zero_page);
+
/* arch/tile/lib/, various memcpy files */
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(__copy_to_user_inatomic);
diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c
index 25b7b90fd62..c1eaaa1fcc2 100644
--- a/arch/tile/mm/fault.c
+++ b/arch/tile/mm/fault.c
@@ -54,7 +54,7 @@ static noinline void force_sig_info_fault(const char *type, int si_signo,
if (unlikely(tsk->pid < 2)) {
panic("Signal %d (code %d) at %#lx sent to %s!",
si_signo, si_code & 0xffff, address,
- tsk->pid ? "init" : "the idle task");
+ is_idle_task(tsk) ? "the idle task" : "init");
}
info.si_signo = si_signo;
@@ -515,7 +515,7 @@ no_context:
if (unlikely(tsk->pid < 2)) {
panic("Kernel page fault running %s!",
- tsk->pid ? "init" : "the idle task");
+ is_idle_task(tsk) ? "the idle task" : "init");
}
/*
diff --git a/arch/tile/mm/homecache.c b/arch/tile/mm/homecache.c
index cbe6f4f9eca..1cc6ae477c9 100644
--- a/arch/tile/mm/homecache.c
+++ b/arch/tile/mm/homecache.c
@@ -449,9 +449,12 @@ void homecache_free_pages(unsigned long addr, unsigned int order)
VM_BUG_ON(!virt_addr_valid((void *)addr));
page = virt_to_page((void *)addr);
if (put_page_testzero(page)) {
- int pages = (1 << order);
homecache_change_page_home(page, order, initial_page_home());
- while (pages--)
- __free_page(page++);
+ if (order == 0) {
+ free_hot_cold_page(page, 0);
+ } else {
+ init_page_count(page);
+ __free_pages(page, order);
+ }
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-20 06:37:08 +0000