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[Xen-changelog] xencons must notify via evtchn. It can't use the irq as

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Subject:	[Xen-changelog] xencons must notify via evtchn. It can't use the irq as the
From:	Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Fri, 30 Sep 2005 16:46:10 +0000
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# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 78e1e94e4088b63bb5d66f070f036e7fc7f4df6e
# Parent  9918d8c3e116c96c46509a79300d4006b6a1c392
xencons must notify via evtchn. It can't use the irq as the
notification handle because console is used early, before the
irq is set up.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

diff -r 9918d8c3e116 -r 78e1e94e4088 
linux-2.6-xen-sparse/drivers/xen/console/xencons_ring.c
--- a/linux-2.6-xen-sparse/drivers/xen/console/xencons_ring.c   Fri Sep 30 
16:10:52 2005
+++ b/linux-2.6-xen-sparse/drivers/xen/console/xencons_ring.c   Fri Sep 30 
16:34:01 2005
@@ -65,7 +65,8 @@
 int xencons_ring_send(const char *data, unsigned len)
 {
        int sent = __xencons_ring_send(outring(), data, len);
-       notify_remote_via_irq(xencons_irq);
+       /* Use evtchn: this is called early, before irq is set up. */
+       notify_remote_via_evtchn(xen_start_info->console_evtchn);
        return sent;
 }      
 

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