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| author | David Vrabel <david.vrabel@citrix.com> | 2013-03-14 12:49:19 +0000 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2014-01-06 10:07:43 -0500 |
| commit | ab9a1cca3d172876ae9d5edb63abce7986045597 (patch) | |
| tree | 1ae3ed8c8f54b7e50abf9336643c7f8110eca880 /drivers/xen/events/events_base.c | |
| parent | 9a489f45a155fe96b9b55fbbef2b757ef7737cfc (diff) | |
| download | lwn-ab9a1cca3d172876ae9d5edb63abce7986045597.tar.gz lwn-ab9a1cca3d172876ae9d5edb63abce7986045597.zip | |
xen/events: add struct evtchn_ops for the low-level port operations
evtchn_ops contains the low-level operations that access the shared
data structures. This allows alternate ABIs to be supported.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'drivers/xen/events/events_base.c')
| -rw-r--r-- | drivers/xen/events/events_base.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 8771b740e30f..7c7b744cd13d 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -61,6 +61,8 @@ #include "events_internal.h" +const struct evtchn_ops *evtchn_ops; + /* * This lock protects updates to the following mapping and reference-count * arrays. The lock does not need to be acquired to read the mapping tables. @@ -1523,6 +1525,8 @@ void __init xen_init_IRQ(void) { int i; + xen_evtchn_2l_init(); + evtchn_to_irq = kcalloc(NR_EVENT_CHANNELS, sizeof(*evtchn_to_irq), GFP_KERNEL); BUG_ON(!evtchn_to_irq); |