Define resend_irq_on_evtchn() which ia64/xen uses. Although it isn't used by current x86/xen code, it's arch generic so that put it into common code. make ipi_to_irq[] visible removing static because ia64/xen needs to access the variable from ia64 specific code
Signed-off-by: Isaku Yamahata <[EMAIL PROTECTED]> --- drivers/xen/events.c | 18 +++++++++++++++++- include/xen/events.h | 1 + 2 files changed, 18 insertions(+), 1 deletions(-) diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 2396b44..1c2c193 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -48,7 +48,7 @@ static DEFINE_SPINLOCK(irq_mapping_update_lock); static DEFINE_PER_CPU(int, virq_to_irq[NR_VIRQS]) = {[0 ... NR_VIRQS-1] = -1}; /* IRQ <-> IPI mapping */ -static DEFINE_PER_CPU(int, ipi_to_irq[XEN_NR_IPIS]) = {[0 ... XEN_NR_IPIS-1] = -1}; +DEFINE_PER_CPU(int, ipi_to_irq[XEN_NR_IPIS]) = {[0 ... XEN_NR_IPIS-1] = -1}; /* Packed IRQ information: binding type, sub-type index, and event channel. */ struct packed_irq @@ -586,6 +586,22 @@ static void set_affinity_irq(unsigned irq, cpumask_t dest) rebind_irq_to_cpu(irq, tcpu); } +int resend_irq_on_evtchn(unsigned int irq) +{ + int masked, evtchn = evtchn_from_irq(irq); + struct shared_info *s = HYPERVISOR_shared_info; + + if (!VALID_EVTCHN(evtchn)) + return 1; + + masked = sync_test_and_set_bit(evtchn, s->evtchn_mask); + sync_set_bit(evtchn, s->evtchn_pending); + if (!masked) + unmask_evtchn(evtchn); + + return 1; +} + static void enable_dynirq(unsigned int irq) { int evtchn = evtchn_from_irq(irq); diff --git a/include/xen/events.h b/include/xen/events.h index 2bde54d..574cfa4 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -37,6 +37,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi, void unbind_from_irqhandler(unsigned int irq, void *dev_id); void xen_send_IPI_one(unsigned int cpu, enum ipi_vector vector); +int resend_irq_on_evtchn(unsigned int irq); static inline void notify_remote_via_evtchn(int port) { -- 1.5.3 _______________________________________________ Xen-ia64-devel mailing list Xen-ia64-devel@lists.xensource.com http://lists.xensource.com/xen-ia64-devel