xen: set pirq name to something useful.

Impact: cleanup

Make pirq show useful information in /proc/interrupts

[v2: Removed the parts for arch/x86/xen/pci.c ]

Signed-off-by: Gerd Hoffmann <kraxel@xeni.home.kraxel.org>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 19a9329..0fcfb4a 100644 (file)
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -544,7 +544,7 @@ static int find_irq_by_gsi(unsigned gsi)
  * event channel until the irq actually started up.  Return an
  * existing irq if we've already got one for the gsi.
  */
-int xen_allocate_pirq(unsigned gsi)
+int xen_allocate_pirq(unsigned gsi, char *name)
 {
        int irq;
        struct physdev_irq irq_op;
@@ -566,7 +566,7 @@ int xen_allocate_pirq(unsigned gsi)
                irq = find_unbound_irq();
 
        set_irq_chip_and_handler_name(irq, &xen_pirq_chip,
-                                     handle_level_irq, "pirq");
+                                     handle_level_irq, name);
 
        irq_op.irq = irq;
        if (HYPERVISOR_physdev_op(PHYSDEVOP_alloc_irq_vector, &irq_op)) {

diff --git a/include/xen/events.h b/include/xen/events.h
index 8f62320..8227da8 100644 (file)
--- a/include/xen/events.h
+++ b/include/xen/events.h
@@ -66,7 +66,7 @@ void xen_hvm_evtchn_do_upcall(void);
 /* Allocate an irq for a physical interrupt, given a gsi.  "Legacy"
  * GSIs are identity mapped; others are dynamically allocated as
  * usual. */
-int xen_allocate_pirq(unsigned gsi);
+int xen_allocate_pirq(unsigned gsi, char *name);
 
 /* Return vector allocated to pirq */
 int xen_vector_from_irq(unsigned pirq);