diff options
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/balloon.c | 14 | ||||
| -rw-r--r-- | drivers/xen/events.c | 20 | ||||
| -rw-r--r-- | drivers/xen/features.c | 6 | ||||
| -rw-r--r-- | drivers/xen/grant-table.c | 1 | ||||
| -rw-r--r-- | drivers/xen/xenbus/xenbus_probe.c | 27 | ||||
| -rw-r--r-- | drivers/xen/xenbus/xenbus_probe.h | 4 |
6 files changed, 41 insertions, 31 deletions
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 8c83abc73400..8dc7109d61b7 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -41,17 +41,18 @@ #include <linux/pagemap.h> #include <linux/highmem.h> #include <linux/mutex.h> -#include <linux/highmem.h> #include <linux/list.h> #include <linux/sysdev.h> -#include <asm/xen/hypervisor.h> #include <asm/page.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> #include <asm/uaccess.h> #include <asm/tlb.h> +#include <asm/xen/hypervisor.h> +#include <asm/xen/hypercall.h> +#include <xen/interface/xen.h> #include <xen/interface/memory.h> #include <xen/xenbus.h> #include <xen/features.h> @@ -123,14 +124,7 @@ static struct timer_list balloon_timer; static void scrub_page(struct page *page) { #ifdef CONFIG_XEN_SCRUB_PAGES - if (PageHighMem(page)) { - void *v = kmap(page); - clear_page(v); - kunmap(v); - } else { - void *v = page_address(page); - clear_page(v); - } + clear_highpage(page); #endif } diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 1e3b934a4cf7..eb0dfdeaa949 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -141,8 +141,9 @@ static void init_evtchn_cpu_bindings(void) int i; /* By default all event channels notify CPU#0. */ - for_each_irq_desc(i, desc) + for_each_irq_desc(i, desc) { desc->affinity = cpumask_of_cpu(0); + } #endif memset(cpu_evtchn, 0, sizeof(cpu_evtchn)); @@ -229,15 +230,20 @@ static void unmask_evtchn(int port) static int find_unbound_irq(void) { int irq; + struct irq_desc *desc; /* Only allocate from dynirq range */ - for_each_irq_nr(irq) + for (irq = 0; irq < nr_irqs; irq++) if (irq_bindcount[irq] == 0) break; if (irq == nr_irqs) panic("No available IRQ to bind to: increase nr_irqs!\n"); + desc = irq_to_desc_alloc_cpu(irq, 0); + if (WARN_ON(desc == NULL)) + return -1; + return irq; } @@ -579,7 +585,7 @@ void rebind_evtchn_irq(int evtchn, int irq) spin_unlock(&irq_mapping_update_lock); /* new event channels are always bound to cpu 0 */ - irq_set_affinity(irq, cpumask_of_cpu(0)); + irq_set_affinity(irq, cpumask_of(0)); /* Unmask the event channel. */ enable_irq(irq); @@ -608,9 +614,9 @@ static void rebind_irq_to_cpu(unsigned irq, unsigned tcpu) } -static void set_affinity_irq(unsigned irq, cpumask_t dest) +static void set_affinity_irq(unsigned irq, const struct cpumask *dest) { - unsigned tcpu = first_cpu(dest); + unsigned tcpu = cpumask_first(dest); rebind_irq_to_cpu(irq, tcpu); } @@ -792,7 +798,7 @@ void xen_irq_resume(void) mask_evtchn(evtchn); /* No IRQ <-> event-channel mappings. */ - for_each_irq_nr(irq) + for (irq = 0; irq < nr_irqs; irq++) irq_info[irq].evtchn = 0; /* zap event-channel binding */ for (evtchn = 0; evtchn < NR_EVENT_CHANNELS; evtchn++) @@ -824,7 +830,7 @@ void __init xen_init_IRQ(void) mask_evtchn(i); /* Dynamic IRQ space is currently unbound. Zero the refcnts. */ - for_each_irq_nr(i) + for (i = 0; i < nr_irqs; i++) irq_bindcount[i] = 0; irq_ctx_init(smp_processor_id()); diff --git a/drivers/xen/features.c b/drivers/xen/features.c index 0707714e40d6..99eda169c779 100644 --- a/drivers/xen/features.c +++ b/drivers/xen/features.c @@ -8,7 +8,11 @@ #include <linux/types.h> #include <linux/cache.h> #include <linux/module.h> -#include <asm/xen/hypervisor.h> + +#include <asm/xen/hypercall.h> + +#include <xen/interface/xen.h> +#include <xen/interface/version.h> #include <xen/features.h> u8 xen_features[XENFEAT_NR_SUBMAPS * 32] __read_mostly; diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 06592b9da83c..7d8f531fb8e8 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -40,6 +40,7 @@ #include <xen/interface/xen.h> #include <xen/page.h> #include <xen/grant_table.h> +#include <asm/xen/hypercall.h> #include <asm/pgtable.h> #include <asm/sync_bitops.h> diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c index 7f24a98a446f..b2a03184a246 100644 --- a/drivers/xen/xenbus/xenbus_probe.c +++ b/drivers/xen/xenbus/xenbus_probe.c @@ -99,15 +99,15 @@ static int xenbus_uevent(struct device *_dev, struct kobj_uevent_env *env) } /* device/<type>/<id> => <type>-<id> */ -static int frontend_bus_id(char bus_id[BUS_ID_SIZE], const char *nodename) +static int frontend_bus_id(char bus_id[XEN_BUS_ID_SIZE], const char *nodename) { nodename = strchr(nodename, '/'); - if (!nodename || strlen(nodename + 1) >= BUS_ID_SIZE) { + if (!nodename || strlen(nodename + 1) >= XEN_BUS_ID_SIZE) { printk(KERN_WARNING "XENBUS: bad frontend %s\n", nodename); return -EINVAL; } - strlcpy(bus_id, nodename + 1, BUS_ID_SIZE); + strlcpy(bus_id, nodename + 1, XEN_BUS_ID_SIZE); if (!strchr(bus_id, '/')) { printk(KERN_WARNING "XENBUS: bus_id %s no slash\n", bus_id); return -EINVAL; @@ -460,6 +460,7 @@ int xenbus_probe_node(struct xen_bus_type *bus, const char *type, const char *nodename) { + char devname[XEN_BUS_ID_SIZE]; int err; struct xenbus_device *xendev; size_t stringlen; @@ -494,10 +495,12 @@ int xenbus_probe_node(struct xen_bus_type *bus, xendev->dev.bus = &bus->bus; xendev->dev.release = xenbus_dev_release; - err = bus->get_bus_id(xendev->dev.bus_id, xendev->nodename); + err = bus->get_bus_id(devname, xendev->nodename); if (err) goto fail; + dev_set_name(&xendev->dev, devname); + /* Register with generic device framework. */ err = device_register(&xendev->dev); if (err) @@ -611,7 +614,7 @@ void xenbus_dev_changed(const char *node, struct xen_bus_type *bus) { int exists, rootlen; struct xenbus_device *dev; - char type[BUS_ID_SIZE]; + char type[XEN_BUS_ID_SIZE]; const char *p, *root; if (char_count(node, '/') < 2) @@ -625,8 +628,8 @@ void xenbus_dev_changed(const char *node, struct xen_bus_type *bus) /* backend/<type>/... or device/<type>/... */ p = strchr(node, '/') + 1; - snprintf(type, BUS_ID_SIZE, "%.*s", (int)strcspn(p, "/"), p); - type[BUS_ID_SIZE-1] = '\0'; + snprintf(type, XEN_BUS_ID_SIZE, "%.*s", (int)strcspn(p, "/"), p); + type[XEN_BUS_ID_SIZE-1] = '\0'; rootlen = strsep_len(node, '/', bus->levels); if (rootlen < 0) @@ -674,7 +677,7 @@ static int suspend_dev(struct device *dev, void *data) err = drv->suspend(xdev); if (err) printk(KERN_WARNING - "xenbus: suspend %s failed: %i\n", dev->bus_id, err); + "xenbus: suspend %s failed: %i\n", dev_name(dev), err); return 0; } @@ -695,7 +698,7 @@ static int suspend_cancel_dev(struct device *dev, void *data) if (err) printk(KERN_WARNING "xenbus: suspend_cancel %s failed: %i\n", - dev->bus_id, err); + dev_name(dev), err); return 0; } @@ -717,7 +720,7 @@ static int resume_dev(struct device *dev, void *data) if (err) { printk(KERN_WARNING "xenbus: resume (talk_to_otherend) %s failed: %i\n", - dev->bus_id, err); + dev_name(dev), err); return err; } @@ -728,7 +731,7 @@ static int resume_dev(struct device *dev, void *data) if (err) { printk(KERN_WARNING "xenbus: resume %s failed: %i\n", - dev->bus_id, err); + dev_name(dev), err); return err; } } @@ -737,7 +740,7 @@ static int resume_dev(struct device *dev, void *data) if (err) { printk(KERN_WARNING "xenbus_probe: resume (watch_otherend) %s failed: " - "%d.\n", dev->bus_id, err); + "%d.\n", dev_name(dev), err); return err; } diff --git a/drivers/xen/xenbus/xenbus_probe.h b/drivers/xen/xenbus/xenbus_probe.h index e09b19415a40..6c5e3185a6a2 100644 --- a/drivers/xen/xenbus/xenbus_probe.h +++ b/drivers/xen/xenbus/xenbus_probe.h @@ -34,6 +34,8 @@ #ifndef _XENBUS_PROBE_H #define _XENBUS_PROBE_H +#define XEN_BUS_ID_SIZE 20 + #ifdef CONFIG_XEN_BACKEND extern void xenbus_backend_suspend(int (*fn)(struct device *, void *)); extern void xenbus_backend_resume(int (*fn)(struct device *, void *)); @@ -52,7 +54,7 @@ struct xen_bus_type { char *root; unsigned int levels; - int (*get_bus_id)(char bus_id[BUS_ID_SIZE], const char *nodename); + int (*get_bus_id)(char bus_id[XEN_BUS_ID_SIZE], const char *nodename); int (*probe)(const char *type, const char *dir); struct bus_type bus; }; |