diff options
Diffstat (limited to 'drivers/xen/events.c')
| -rw-r--r-- | drivers/xen/events.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index ab581fa6268..7d2987e9b1b 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -602,6 +602,8 @@ irqreturn_t xen_debug_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } +static DEFINE_PER_CPU(unsigned, xed_nesting_count); + /* * Search the CPUs pending events bitmasks. For each one found, map * the event number to an irq, and feed it into do_IRQ() for @@ -617,7 +619,6 @@ void xen_evtchn_do_upcall(struct pt_regs *regs) struct pt_regs *old_regs = set_irq_regs(regs); struct shared_info *s = HYPERVISOR_shared_info; struct vcpu_info *vcpu_info = __get_cpu_var(xen_vcpu); - static DEFINE_PER_CPU(unsigned, nesting_count); unsigned count; exit_idle(); @@ -628,7 +629,7 @@ void xen_evtchn_do_upcall(struct pt_regs *regs) vcpu_info->evtchn_upcall_pending = 0; - if (__get_cpu_var(nesting_count)++) + if (__get_cpu_var(xed_nesting_count)++) goto out; #ifndef CONFIG_X86 /* No need for a barrier -- XCHG is a barrier on x86. */ @@ -653,8 +654,8 @@ void xen_evtchn_do_upcall(struct pt_regs *regs) BUG_ON(!irqs_disabled()); - count = __get_cpu_var(nesting_count); - __get_cpu_var(nesting_count) = 0; + count = __get_cpu_var(xed_nesting_count); + __get_cpu_var(xed_nesting_count) = 0; } while(count != 1); out: |