diff options
author | Jiri Kosina <jkosina@suse.cz> | 2011-04-26 12:22:15 +0400 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2011-04-26 12:22:59 +0400 |
commit | 07f9479a40cc778bc1462ada11f95b01360ae4ff (patch) | |
tree | 0676cf38df3844004bb3ebfd99dfa67a4a8998f5 /drivers/xen | |
parent | 9d5e6bdb3013acfb311ab407eeca0b6a6a3dedbf (diff) | |
parent | cd2e49e90f1cae7726c9a2c54488d881d7f1cd1c (diff) | |
download | linux-07f9479a40cc778bc1462ada11f95b01360ae4ff.tar.xz |
Merge branch 'master' into for-next
Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.
Diffstat (limited to 'drivers/xen')
-rw-r--r-- | drivers/xen/events.c | 36 | ||||
-rw-r--r-- | drivers/xen/gntdev.c | 6 | ||||
-rw-r--r-- | drivers/xen/manage.c | 15 |
3 files changed, 32 insertions, 25 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 02b5a9c05cfa..33167b43ac7e 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -5,7 +5,7 @@ * domain gets 1024 event channels, but NR_IRQ is not that large, we * must dynamically map irqs<->event channels. The event channels * interface with the rest of the kernel by defining a xen interrupt - * chip. When an event is recieved, it is mapped to an irq and sent + * chip. When an event is received, it is mapped to an irq and sent * through the normal interrupt processing path. * * There are four kinds of events which can be mapped to an event @@ -122,7 +122,7 @@ static struct irq_chip xen_pirq_chip; /* Get info for IRQ */ static struct irq_info *info_for_irq(unsigned irq) { - return get_irq_data(irq); + return irq_get_handler_data(irq); } /* Constructors for packed IRQ information. */ @@ -403,7 +403,7 @@ static void xen_irq_init(unsigned irq) info->type = IRQT_UNBOUND; - set_irq_data(irq, info); + irq_set_handler_data(irq, info); list_add_tail(&info->list, &xen_irq_list_head); } @@ -416,7 +416,7 @@ static int __must_check xen_allocate_irq_dynamic(void) #ifdef CONFIG_X86_IO_APIC /* * For an HVM guest or domain 0 which see "real" (emulated or - * actual repectively) GSIs we allocate dynamic IRQs + * actual respectively) GSIs we allocate dynamic IRQs * e.g. those corresponding to event channels or MSIs * etc. from the range above those "real" GSIs to avoid * collisions. @@ -458,11 +458,11 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi) static void xen_free_irq(unsigned irq) { - struct irq_info *info = get_irq_data(irq); + struct irq_info *info = irq_get_handler_data(irq); list_del(&info->list); - set_irq_data(irq, NULL); + irq_set_handler_data(irq, NULL); kfree(info); @@ -585,7 +585,7 @@ static void ack_pirq(struct irq_data *data) { int evtchn = evtchn_from_irq(data->irq); - move_native_irq(data->irq); + irq_move_irq(data); if (VALID_EVTCHN(evtchn)) { mask_evtchn(evtchn); @@ -639,8 +639,8 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi, if (irq < 0) goto out; - set_irq_chip_and_handler_name(irq, &xen_pirq_chip, - handle_level_irq, name); + irq_set_chip_and_handler_name(irq, &xen_pirq_chip, handle_level_irq, + name); irq_op.irq = irq; irq_op.vector = 0; @@ -690,8 +690,8 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc, if (irq == -1) goto out; - set_irq_chip_and_handler_name(irq, &xen_pirq_chip, - handle_level_irq, name); + irq_set_chip_and_handler_name(irq, &xen_pirq_chip, handle_level_irq, + name); xen_irq_info_pirq_init(irq, 0, pirq, 0, vector, 0); ret = irq_set_msi_desc(irq, msidesc); @@ -772,7 +772,7 @@ int bind_evtchn_to_irq(unsigned int evtchn) if (irq == -1) goto out; - set_irq_chip_and_handler_name(irq, &xen_dynamic_chip, + irq_set_chip_and_handler_name(irq, &xen_dynamic_chip, handle_fasteoi_irq, "event"); xen_irq_info_evtchn_init(irq, evtchn); @@ -799,7 +799,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu) if (irq < 0) goto out; - set_irq_chip_and_handler_name(irq, &xen_percpu_chip, + irq_set_chip_and_handler_name(irq, &xen_percpu_chip, handle_percpu_irq, "ipi"); bind_ipi.vcpu = cpu; @@ -848,7 +848,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu) if (irq == -1) goto out; - set_irq_chip_and_handler_name(irq, &xen_percpu_chip, + irq_set_chip_and_handler_name(irq, &xen_percpu_chip, handle_percpu_irq, "virq"); bind_virq.virq = virq; @@ -912,8 +912,7 @@ int bind_evtchn_to_irqhandler(unsigned int evtchn, unsigned long irqflags, const char *devname, void *dev_id) { - unsigned int irq; - int retval; + int irq, retval; irq = bind_evtchn_to_irq(evtchn); if (irq < 0) @@ -955,8 +954,7 @@ int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu, irq_handler_t handler, unsigned long irqflags, const char *devname, void *dev_id) { - unsigned int irq; - int retval; + int irq, retval; irq = bind_virq_to_irq(virq, cpu); if (irq < 0) @@ -1339,7 +1337,7 @@ static void ack_dynirq(struct irq_data *data) { int evtchn = evtchn_from_irq(data->irq); - move_masked_irq(data->irq); + irq_move_masked_irq(data); if (VALID_EVTCHN(evtchn)) unmask_evtchn(evtchn); diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 017ce600fbc6..b0f9e8fb0052 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -273,7 +273,7 @@ static int __unmap_grant_pages(struct grant_map *map, int offset, int pages) map->vma->vm_start + map->notify.addr; err = copy_to_user(tmp, &err, 1); if (err) - return err; + return -EFAULT; map->notify.flags &= ~UNMAP_NOTIFY_CLEAR_BYTE; } else if (pgno >= offset && pgno < offset + pages) { uint8_t *tmp = kmap(map->pages[pgno]); @@ -662,7 +662,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) if (map->flags) { if ((vma->vm_flags & VM_WRITE) && (map->flags & GNTMAP_readonly)) - return -EINVAL; + goto out_unlock_put; } else { map->flags = GNTMAP_host_map; if (!(vma->vm_flags & VM_WRITE)) @@ -700,6 +700,8 @@ unlock_out: spin_unlock(&priv->lock); return err; +out_unlock_put: + spin_unlock(&priv->lock); out_put_map: if (use_ptemod) map->vma = NULL; diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index 95143dd6904d..a2eee574784e 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -8,6 +8,7 @@ #include <linux/sysrq.h> #include <linux/stop_machine.h> #include <linux/freezer.h> +#include <linux/syscore_ops.h> #include <xen/xen.h> #include <xen/xenbus.h> @@ -61,7 +62,7 @@ static void xen_post_suspend(int cancelled) xen_mm_unpin_all(); } -#ifdef CONFIG_HIBERNATION +#ifdef CONFIG_HIBERNATE_CALLBACKS static int xen_suspend(void *data) { struct suspend_info *si = data; @@ -70,8 +71,13 @@ static int xen_suspend(void *data) BUG_ON(!irqs_disabled()); err = sysdev_suspend(PMSG_FREEZE); + if (!err) { + err = syscore_suspend(); + if (err) + sysdev_resume(); + } if (err) { - printk(KERN_ERR "xen_suspend: sysdev_suspend failed: %d\n", + printk(KERN_ERR "xen_suspend: system core suspend failed: %d\n", err); return err; } @@ -95,6 +101,7 @@ static int xen_suspend(void *data) xen_timer_resume(); } + syscore_resume(); sysdev_resume(); return 0; @@ -173,7 +180,7 @@ out: #endif shutting_down = SHUTDOWN_INVALID; } -#endif /* CONFIG_HIBERNATION */ +#endif /* CONFIG_HIBERNATE_CALLBACKS */ struct shutdown_handler { const char *command; @@ -202,7 +209,7 @@ static void shutdown_handler(struct xenbus_watch *watch, { "poweroff", do_poweroff }, { "halt", do_poweroff }, { "reboot", do_reboot }, -#ifdef CONFIG_HIBERNATION +#ifdef CONFIG_HIBERNATE_CALLBACKS { "suspend", do_suspend }, #endif {NULL, NULL}, |