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-rw-r--r--drivers/xen/swiotlb-xen.c4
-rw-r--r--drivers/xen/xen-balloon.c86
-rw-r--r--drivers/xen/xen-selfballoon.c76
-rw-r--r--drivers/xen/xenbus/xenbus_xs.c13
4 files changed, 83 insertions, 96 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 8e964b91c447..284798aaf8b1 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -166,7 +166,7 @@ retry:
/*
* Get IO TLB memory from any location.
*/
- xen_io_tlb_start = alloc_bootmem(bytes);
+ xen_io_tlb_start = alloc_bootmem_pages(PAGE_ALIGN(bytes));
if (!xen_io_tlb_start) {
m = "Cannot allocate Xen-SWIOTLB buffer!\n";
goto error;
@@ -179,7 +179,7 @@ retry:
bytes,
xen_io_tlb_nslabs);
if (rc) {
- free_bootmem(__pa(xen_io_tlb_start), bytes);
+ free_bootmem(__pa(xen_io_tlb_start), PAGE_ALIGN(bytes));
m = "Failed to get contiguous memory for DMA from Xen!\n"\
"You either: don't have the permissions, do not have"\
" enough free memory under 4GB, or the hypervisor memory"\
diff --git a/drivers/xen/xen-balloon.c b/drivers/xen/xen-balloon.c
index 9cc2259c9992..3832e303c33a 100644
--- a/drivers/xen/xen-balloon.c
+++ b/drivers/xen/xen-balloon.c
@@ -32,7 +32,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/sysdev.h>
#include <linux/capability.h>
#include <xen/xen.h>
@@ -46,9 +45,9 @@
#define BALLOON_CLASS_NAME "xen_memory"
-static struct sys_device balloon_sysdev;
+static struct device balloon_dev;
-static int register_balloon(struct sys_device *sysdev);
+static int register_balloon(struct device *dev);
/* React to a change in the target key */
static void watch_target(struct xenbus_watch *watch,
@@ -98,9 +97,9 @@ static int __init balloon_init(void)
pr_info("xen-balloon: Initialising balloon driver.\n");
- register_balloon(&balloon_sysdev);
+ register_balloon(&balloon_dev);
- register_xen_selfballooning(&balloon_sysdev);
+ register_xen_selfballooning(&balloon_dev);
register_xenstore_notifier(&xenstore_notifier);
@@ -117,31 +116,31 @@ static void balloon_exit(void)
module_exit(balloon_exit);
#define BALLOON_SHOW(name, format, args...) \
- static ssize_t show_##name(struct sys_device *dev, \
- struct sysdev_attribute *attr, \
+ static ssize_t show_##name(struct device *dev, \
+ struct device_attribute *attr, \
char *buf) \
{ \
return sprintf(buf, format, ##args); \
} \
- static SYSDEV_ATTR(name, S_IRUGO, show_##name, NULL)
+ static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
BALLOON_SHOW(current_kb, "%lu\n", PAGES2KB(balloon_stats.current_pages));
BALLOON_SHOW(low_kb, "%lu\n", PAGES2KB(balloon_stats.balloon_low));
BALLOON_SHOW(high_kb, "%lu\n", PAGES2KB(balloon_stats.balloon_high));
-static SYSDEV_ULONG_ATTR(schedule_delay, 0444, balloon_stats.schedule_delay);
-static SYSDEV_ULONG_ATTR(max_schedule_delay, 0644, balloon_stats.max_schedule_delay);
-static SYSDEV_ULONG_ATTR(retry_count, 0444, balloon_stats.retry_count);
-static SYSDEV_ULONG_ATTR(max_retry_count, 0644, balloon_stats.max_retry_count);
+static DEVICE_ULONG_ATTR(schedule_delay, 0444, balloon_stats.schedule_delay);
+static DEVICE_ULONG_ATTR(max_schedule_delay, 0644, balloon_stats.max_schedule_delay);
+static DEVICE_ULONG_ATTR(retry_count, 0444, balloon_stats.retry_count);
+static DEVICE_ULONG_ATTR(max_retry_count, 0644, balloon_stats.max_retry_count);
-static ssize_t show_target_kb(struct sys_device *dev, struct sysdev_attribute *attr,
+static ssize_t show_target_kb(struct device *dev, struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "%lu\n", PAGES2KB(balloon_stats.target_pages));
}
-static ssize_t store_target_kb(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t store_target_kb(struct device *dev,
+ struct device_attribute *attr,
const char *buf,
size_t count)
{
@@ -158,11 +157,11 @@ static ssize_t store_target_kb(struct sys_device *dev,
return count;
}
-static SYSDEV_ATTR(target_kb, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(target_kb, S_IRUGO | S_IWUSR,
show_target_kb, store_target_kb);
-static ssize_t show_target(struct sys_device *dev, struct sysdev_attribute *attr,
+static ssize_t show_target(struct device *dev, struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "%llu\n",
@@ -170,8 +169,8 @@ static ssize_t show_target(struct sys_device *dev, struct sysdev_attribute *attr
<< PAGE_SHIFT);
}
-static ssize_t store_target(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t store_target(struct device *dev,
+ struct device_attribute *attr,
const char *buf,
size_t count)
{
@@ -188,23 +187,23 @@ static ssize_t store_target(struct sys_device *dev,
return count;
}
-static SYSDEV_ATTR(target, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(target, S_IRUGO | S_IWUSR,
show_target, store_target);
-static struct sysdev_attribute *balloon_attrs[] = {
- &attr_target_kb,
- &attr_target,
- &attr_schedule_delay.attr,
- &attr_max_schedule_delay.attr,
- &attr_retry_count.attr,
- &attr_max_retry_count.attr
+static struct device_attribute *balloon_attrs[] = {
+ &dev_attr_target_kb,
+ &dev_attr_target,
+ &dev_attr_schedule_delay.attr,
+ &dev_attr_max_schedule_delay.attr,
+ &dev_attr_retry_count.attr,
+ &dev_attr_max_retry_count.attr
};
static struct attribute *balloon_info_attrs[] = {
- &attr_current_kb.attr,
- &attr_low_kb.attr,
- &attr_high_kb.attr,
+ &dev_attr_current_kb.attr,
+ &dev_attr_low_kb.attr,
+ &dev_attr_high_kb.attr,
NULL
};
@@ -213,34 +212,35 @@ static struct attribute_group balloon_info_group = {
.attrs = balloon_info_attrs
};
-static struct sysdev_class balloon_sysdev_class = {
- .name = BALLOON_CLASS_NAME
+static struct bus_type balloon_subsys = {
+ .name = BALLOON_CLASS_NAME,
+ .dev_name = BALLOON_CLASS_NAME,
};
-static int register_balloon(struct sys_device *sysdev)
+static int register_balloon(struct device *dev)
{
int i, error;
- error = sysdev_class_register(&balloon_sysdev_class);
+ error = bus_register(&balloon_subsys);
if (error)
return error;
- sysdev->id = 0;
- sysdev->cls = &balloon_sysdev_class;
+ dev->id = 0;
+ dev->bus = &balloon_subsys;
- error = sysdev_register(sysdev);
+ error = device_register(dev);
if (error) {
- sysdev_class_unregister(&balloon_sysdev_class);
+ bus_unregister(&balloon_subsys);
return error;
}
for (i = 0; i < ARRAY_SIZE(balloon_attrs); i++) {
- error = sysdev_create_file(sysdev, balloon_attrs[i]);
+ error = device_create_file(dev, balloon_attrs[i]);
if (error)
goto fail;
}
- error = sysfs_create_group(&sysdev->kobj, &balloon_info_group);
+ error = sysfs_create_group(&dev->kobj, &balloon_info_group);
if (error)
goto fail;
@@ -248,9 +248,9 @@ static int register_balloon(struct sys_device *sysdev)
fail:
while (--i >= 0)
- sysdev_remove_file(sysdev, balloon_attrs[i]);
- sysdev_unregister(sysdev);
- sysdev_class_unregister(&balloon_sysdev_class);
+ device_remove_file(dev, balloon_attrs[i]);
+ device_unregister(dev);
+ bus_unregister(&balloon_subsys);
return error;
}
diff --git a/drivers/xen/xen-selfballoon.c b/drivers/xen/xen-selfballoon.c
index d93c70857e03..767ff656d5a7 100644
--- a/drivers/xen/xen-selfballoon.c
+++ b/drivers/xen/xen-selfballoon.c
@@ -74,6 +74,7 @@
#include <linux/mman.h>
#include <linux/module.h>
#include <linux/workqueue.h>
+#include <linux/device.h>
#include <xen/balloon.h>
#include <xen/tmem.h>
#include <xen/xen.h>
@@ -266,21 +267,20 @@ static void selfballoon_process(struct work_struct *work)
#ifdef CONFIG_SYSFS
-#include <linux/sysdev.h>
#include <linux/capability.h>
#define SELFBALLOON_SHOW(name, format, args...) \
- static ssize_t show_##name(struct sys_device *dev, \
- struct sysdev_attribute *attr, \
- char *buf) \
+ static ssize_t show_##name(struct device *dev, \
+ struct device_attribute *attr, \
+ char *buf) \
{ \
return sprintf(buf, format, ##args); \
}
SELFBALLOON_SHOW(selfballooning, "%d\n", xen_selfballooning_enabled);
-static ssize_t store_selfballooning(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t store_selfballooning(struct device *dev,
+ struct device_attribute *attr,
const char *buf,
size_t count)
{
@@ -303,13 +303,13 @@ static ssize_t store_selfballooning(struct sys_device *dev,
return count;
}
-static SYSDEV_ATTR(selfballooning, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(selfballooning, S_IRUGO | S_IWUSR,
show_selfballooning, store_selfballooning);
SELFBALLOON_SHOW(selfballoon_interval, "%d\n", selfballoon_interval);
-static ssize_t store_selfballoon_interval(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t store_selfballoon_interval(struct device *dev,
+ struct device_attribute *attr,
const char *buf,
size_t count)
{
@@ -325,13 +325,13 @@ static ssize_t store_selfballoon_interval(struct sys_device *dev,
return count;
}
-static SYSDEV_ATTR(selfballoon_interval, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(selfballoon_interval, S_IRUGO | S_IWUSR,
show_selfballoon_interval, store_selfballoon_interval);
SELFBALLOON_SHOW(selfballoon_downhys, "%d\n", selfballoon_downhysteresis);
-static ssize_t store_selfballoon_downhys(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t store_selfballoon_downhys(struct device *dev,
+ struct device_attribute *attr,
const char *buf,
size_t count)
{
@@ -347,14 +347,14 @@ static ssize_t store_selfballoon_downhys(struct sys_device *dev,
return count;
}
-static SYSDEV_ATTR(selfballoon_downhysteresis, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(selfballoon_downhysteresis, S_IRUGO | S_IWUSR,
show_selfballoon_downhys, store_selfballoon_downhys);
SELFBALLOON_SHOW(selfballoon_uphys, "%d\n", selfballoon_uphysteresis);
-static ssize_t store_selfballoon_uphys(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t store_selfballoon_uphys(struct device *dev,
+ struct device_attribute *attr,
const char *buf,
size_t count)
{
@@ -370,14 +370,14 @@ static ssize_t store_selfballoon_uphys(struct sys_device *dev,
return count;
}
-static SYSDEV_ATTR(selfballoon_uphysteresis, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(selfballoon_uphysteresis, S_IRUGO | S_IWUSR,
show_selfballoon_uphys, store_selfballoon_uphys);
SELFBALLOON_SHOW(selfballoon_min_usable_mb, "%d\n",
selfballoon_min_usable_mb);
-static ssize_t store_selfballoon_min_usable_mb(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t store_selfballoon_min_usable_mb(struct device *dev,
+ struct device_attribute *attr,
const char *buf,
size_t count)
{
@@ -393,7 +393,7 @@ static ssize_t store_selfballoon_min_usable_mb(struct sys_device *dev,
return count;
}
-static SYSDEV_ATTR(selfballoon_min_usable_mb, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(selfballoon_min_usable_mb, S_IRUGO | S_IWUSR,
show_selfballoon_min_usable_mb,
store_selfballoon_min_usable_mb);
@@ -401,8 +401,8 @@ static SYSDEV_ATTR(selfballoon_min_usable_mb, S_IRUGO | S_IWUSR,
#ifdef CONFIG_FRONTSWAP
SELFBALLOON_SHOW(frontswap_selfshrinking, "%d\n", frontswap_selfshrinking);
-static ssize_t store_frontswap_selfshrinking(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t store_frontswap_selfshrinking(struct device *dev,
+ struct device_attribute *attr,
const char *buf,
size_t count)
{
@@ -424,13 +424,13 @@ static ssize_t store_frontswap_selfshrinking(struct sys_device *dev,
return count;
}
-static SYSDEV_ATTR(frontswap_selfshrinking, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(frontswap_selfshrinking, S_IRUGO | S_IWUSR,
show_frontswap_selfshrinking, store_frontswap_selfshrinking);
SELFBALLOON_SHOW(frontswap_inertia, "%d\n", frontswap_inertia);
-static ssize_t store_frontswap_inertia(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t store_frontswap_inertia(struct device *dev,
+ struct device_attribute *attr,
const char *buf,
size_t count)
{
@@ -447,13 +447,13 @@ static ssize_t store_frontswap_inertia(struct sys_device *dev,
return count;
}
-static SYSDEV_ATTR(frontswap_inertia, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(frontswap_inertia, S_IRUGO | S_IWUSR,
show_frontswap_inertia, store_frontswap_inertia);
SELFBALLOON_SHOW(frontswap_hysteresis, "%d\n", frontswap_hysteresis);
-static ssize_t store_frontswap_hysteresis(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t store_frontswap_hysteresis(struct device *dev,
+ struct device_attribute *attr,
const char *buf,
size_t count)
{
@@ -469,21 +469,21 @@ static ssize_t store_frontswap_hysteresis(struct sys_device *dev,
return count;
}
-static SYSDEV_ATTR(frontswap_hysteresis, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(frontswap_hysteresis, S_IRUGO | S_IWUSR,
show_frontswap_hysteresis, store_frontswap_hysteresis);
#endif /* CONFIG_FRONTSWAP */
static struct attribute *selfballoon_attrs[] = {
- &attr_selfballooning.attr,
- &attr_selfballoon_interval.attr,
- &attr_selfballoon_downhysteresis.attr,
- &attr_selfballoon_uphysteresis.attr,
- &attr_selfballoon_min_usable_mb.attr,
+ &dev_attr_selfballooning.attr,
+ &dev_attr_selfballoon_interval.attr,
+ &dev_attr_selfballoon_downhysteresis.attr,
+ &dev_attr_selfballoon_uphysteresis.attr,
+ &dev_attr_selfballoon_min_usable_mb.attr,
#ifdef CONFIG_FRONTSWAP
- &attr_frontswap_selfshrinking.attr,
- &attr_frontswap_hysteresis.attr,
- &attr_frontswap_inertia.attr,
+ &dev_attr_frontswap_selfshrinking.attr,
+ &dev_attr_frontswap_hysteresis.attr,
+ &dev_attr_frontswap_inertia.attr,
#endif
NULL
};
@@ -494,12 +494,12 @@ static struct attribute_group selfballoon_group = {
};
#endif
-int register_xen_selfballooning(struct sys_device *sysdev)
+int register_xen_selfballooning(struct device *dev)
{
int error = -1;
#ifdef CONFIG_SYSFS
- error = sysfs_create_group(&sysdev->kobj, &selfballoon_group);
+ error = sysfs_create_group(&dev->kobj, &selfballoon_group);
#endif
return error;
}
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index 226d1ac55cf4..d1c217b23a42 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -618,15 +618,6 @@ static struct xenbus_watch *find_watch(const char *token)
return NULL;
}
-static void xs_reset_watches(void)
-{
- int err;
-
- err = xs_error(xs_single(XBT_NIL, XS_RESET_WATCHES, "", NULL));
- if (err && err != -EEXIST)
- printk(KERN_WARNING "xs_reset_watches failed: %d\n", err);
-}
-
/* Register callback to watch this node. */
int register_xenbus_watch(struct xenbus_watch *watch)
{
@@ -909,9 +900,5 @@ int xs_init(void)
if (IS_ERR(task))
return PTR_ERR(task);
- /* shutdown watches for kexec boot */
- if (xen_hvm_domain())
- xs_reset_watches();
-
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-27 14:07:35 +0300