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xen: bug fixes for 4.1-rc4

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- Fix ARM build regression.
 - Fix VIRQ_CONSOLE related oops.
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Merge tag 'for-linus-4.1b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull two xen bugfixes from David Vrabel:

 - fix ARM build regression.

 - fix VIRQ_CONSOLE related oops.

* tag 'for-linus-4.1b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/events: don't bind non-percpu VIRQs with percpu chip
  xen/arm: Define xen_arch_suspend()
This commit is contained in:
Linus Torvalds 2015-05-21 20:19:38 -07:00
commit 865d872280
4 changed files with 11 additions and 6 deletions
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1
arch/arm/xen/enlighten.c
View File

@ -272,6 +272,7 @@ void xen_arch_pre_suspend(void) { }
void xen_arch_post_suspend(int suspend_cancelled) { }
void xen_timer_resume(void) { }
void xen_arch_resume(void) { }
void xen_arch_suspend(void) { }
/* In the hypervisor.S file. */

2
drivers/tty/hvc/hvc_xen.c
View File

@ -289,7 +289,7 @@ static int xen_initial_domain_console_init(void)
return -ENOMEM;
}
info->irq = bind_virq_to_irq(VIRQ_CONSOLE, 0);
info->irq = bind_virq_to_irq(VIRQ_CONSOLE, 0, false);
info->vtermno = HVC_COOKIE;
spin_lock(&xencons_lock);

12
drivers/xen/events/events_base.c
View File

@ -957,7 +957,7 @@ unsigned xen_evtchn_nr_channels(void)
}
EXPORT_SYMBOL_GPL(xen_evtchn_nr_channels);
int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
int bind_virq_to_irq(unsigned int virq, unsigned int cpu, bool percpu)
{
struct evtchn_bind_virq bind_virq;
int evtchn, irq, ret;
@ -971,8 +971,12 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
if (irq < 0)
goto out;
irq_set_chip_and_handler_name(irq, &xen_percpu_chip,
handle_percpu_irq, "virq");
if (percpu)
irq_set_chip_and_handler_name(irq, &xen_percpu_chip,
handle_percpu_irq, "virq");
else
irq_set_chip_and_handler_name(irq, &xen_dynamic_chip,
handle_edge_irq, "virq");
bind_virq.virq = virq;
bind_virq.vcpu = cpu;
@ -1062,7 +1066,7 @@ int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu,
{
int irq, retval;
irq = bind_virq_to_irq(virq, cpu);
irq = bind_virq_to_irq(virq, cpu, irqflags & IRQF_PERCPU);
if (irq < 0)
return irq;
retval = request_irq(irq, handler, irqflags, devname, dev_id);

2
include/xen/events.h
View File

@ -17,7 +17,7 @@ int bind_evtchn_to_irqhandler(unsigned int evtchn,
irq_handler_t handler,
unsigned long irqflags, const char *devname,
void *dev_id);
int bind_virq_to_irq(unsigned int virq, unsigned int cpu);
int bind_virq_to_irq(unsigned int virq, unsigned int cpu, bool percpu);
int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu,
irq_handler_t handler,
unsigned long irqflags, const char *devname,