linux-next: manual merge of the xen-tip tree with the tip tree

Stephen Rothwell
2014-03-20T04:15:57Z

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Hi all,

Today's linux-next merge of the xen-tip tree got a conflict in
drivers/xen/events/events_base.c between commit 02893afdd310 ("xen: Get
rid of the last irq_desc abuse") from the tip tree and commit
8fb980538510 ("xen: add support for MSI message groups") from the xen-tip
tree.

I fixed it up (see below) and can carry the fix as necessary (no action
is required).

--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au

diff --cc drivers/xen/events/events_base.c
index c3458f58de90,793053065629..000000000000
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@@ -767,7 -788,16 +776,12 @@@ int xen_destroy_irq(int irq

mutex_lock(&irq_mapping_update_lock);

- if (xen_initial_domain()) {
- desc = irq_to_desc(irq);
- if (!desc)
- goto out;
-
+ /*
+ * If trying to remove a vector in a MSI group different
+ * than the first one skip the PIRQ unmap unless this vector
+ * is the first one in the group.
+ */
+ if (xen_initial_domain() && !(info->u.pirq.flags & PIRQ_MSI_GROUP)) {
unmap_irq.pirq = info->u.pirq.pirq;
unmap_irq.domid = info->u.pirq.domid;
rc = HYPERVISOR_physdev_op(PHYSDEVOP_unmap_pirq, &unmap_irq);

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