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| author | kfraser@localhost.localdomain <kfraser@localhost.localdomain> | 2007-02-27 20:22:36 +0000 |
|---|---|---|
| committer | kfraser@localhost.localdomain <kfraser@localhost.localdomain> | 2007-02-27 20:22:36 +0000 |
| commit | e76c2ace2455add743881bbf7142b59ba3324189 (patch) | |
| tree | ede8026188bf1c4a9977f593c7f60f520b4ff2c7 | |
| parent | a2d9dd33747660fbe41c3ddc8c18b354a8a70751 (diff) | |
| download | xen-e76c2ace2455add743881bbf7142b59ba3324189.tar.gz xen-e76c2ace2455add743881bbf7142b59ba3324189.tar.bz2 xen-e76c2ace2455add743881bbf7142b59ba3324189.zip | |
[XEN] [ACM] Simplify the event channel scanning
This patch simplifies the scanning of a domain's event channels
considering that an 'ECS_UNBOUND' event channel is not connected and
can be skipped.
Signed-off-by: Stefan Berger <stefanb@us.ibm.com>
| -rw-r--r-- | xen/acm/acm_simple_type_enforcement_hooks.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/xen/acm/acm_simple_type_enforcement_hooks.c b/xen/acm/acm_simple_type_enforcement_hooks.c index 04c2d7f0f1..a899a9c00b 100644 --- a/xen/acm/acm_simple_type_enforcement_hooks.c +++ b/xen/acm/acm_simple_type_enforcement_hooks.c @@ -193,28 +193,14 @@ ste_init_state(struct acm_ste_policy_buffer *ste_buf, domaintype_t *ssidrefs) /* a) check for event channel conflicts */ for (port=0; port < NR_EVTCHN_BUCKETS; port++) { spin_lock(&d->evtchn_lock); - if (d->evtchn[port] == NULL) { + if (d->evtchn[port] == NULL || + d->evtchn[port]->state == ECS_UNBOUND) { spin_unlock(&d->evtchn_lock); continue; } if (d->evtchn[port]->state == ECS_INTERDOMAIN) { rdom = d->evtchn[port]->u.interdomain.remote_dom; rdomid = rdom->domain_id; - /* rdom now has remote domain */ - ste_rssid = GET_SSIDP(ACM_SIMPLE_TYPE_ENFORCEMENT_POLICY, - (struct acm_ssid_domain *)(rdom->ssid)); - ste_rssidref = ste_rssid->ste_ssidref; - } else if (d->evtchn[port]->state == ECS_UNBOUND) { - rdomid = d->evtchn[port]->u.unbound.remote_domid; - if ((rdom = get_domain_by_id(rdomid)) == NULL) { - printk("%s: Error finding domain to id %x!\n", __func__, rdomid); - goto out; - } - /* rdom now has remote domain */ - ste_rssid = GET_SSIDP(ACM_SIMPLE_TYPE_ENFORCEMENT_POLICY, - (struct acm_ssid_domain *)(rdom->ssid)); - ste_rssidref = ste_rssid->ste_ssidref; - put_domain(rdom); } else { spin_unlock(&d->evtchn_lock); continue; /* port unused */ |