From: Roger Pau Monne <roger....@citrix.com>
Signed-off-by: Roger Pau Monné <roger....@citrix.com>
---
To be squashed with "x86/guest: use PV console for Xen/Dom0 I/O"
---
xen/drivers/char/xen_pv_console.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/xen/drivers/char/xen_pv_console.c
b/xen/drivers/char/xen_pv_console.c
index 5e494bc72a..2df7d982ba 100644
--- a/xen/drivers/char/xen_pv_console.c
+++ b/xen/drivers/char/xen_pv_console.c
@@ -37,6 +37,7 @@ static DEFINE_SPINLOCK(tx_lock);
void __init pv_console_init(void)
{
+ struct evtchn_unmask unmask;
long r;
uint64_t raw_pfn = 0, raw_evtchn = 0;
@@ -58,6 +59,9 @@ void __init pv_console_init(void)
cons_ring = (struct xencons_interface *)fix_to_virt(FIX_PV_CONSOLE);
cons_evtchn = raw_evtchn;
+ unmask.port = raw_evtchn;
+ BUG_ON(xen_hypercall_event_channel_op(EVTCHNOP_unmask, &unmask));
+
printk("Initialised PV console at 0x%p with pfn %#lx and evtchn %#x\n",
cons_ring, raw_pfn, cons_evtchn);
return;
--
2.11.0
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