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| author | Daniel De Graaf <dgdegra@tycho.nsa.gov> | 2012-01-28 13:48:03 +0000 |
|---|---|---|
| committer | Daniel De Graaf <dgdegra@tycho.nsa.gov> | 2012-01-28 13:48:03 +0000 |
| commit | 87521589aa6a677bad2b4a80b8fd3ad152c1c274 (patch) | |
| tree | 86d58beaeede99086666d61c3d1aff63ee800ee5 /xen/common/domain.c | |
| parent | 14eb3b41d03f75b89928fad8f720f7d49598b0be (diff) | |
| download | xen-87521589aa6a677bad2b4a80b8fd3ad152c1c274.tar.gz xen-87521589aa6a677bad2b4a80b8fd3ad152c1c274.tar.bz2 xen-87521589aa6a677bad2b4a80b8fd3ad152c1c274.zip | |
xen: allow global VIRQ handlers to be delegated to other domains
This patch sends global VIRQs to a domain designated as the VIRQ
handler
instead of sending all global VIRQ events to dom0. This is required in
order to run xenstored in a stubdom, because VIRQ_DOM_EXC must be sent
to xenstored for domain destruction to work properly.
This patch was inspired by the xenstored stubdomain patch series sent
to xen-devel by Alex Zeffertt in 2009.
Signed-off-by: Diego Ongaro <diego.ongaro@citrix.com>
Signed-off-by: Alex Zeffertt <alex.zeffertt@eu.citrix.com>
Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Keir Fraser <keir@xen.org>
Diffstat (limited to 'xen/common/domain.c')
| -rw-r--r-- | xen/common/domain.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/xen/common/domain.c b/xen/common/domain.c index fd202100ef..500c7a210c 100644 --- a/xen/common/domain.c +++ b/xen/common/domain.c @@ -86,7 +86,7 @@ static void __domain_finalise_shutdown(struct domain *d) if ( (d->shutdown_code == SHUTDOWN_suspend) && d->suspend_evtchn ) evtchn_send(d, d->suspend_evtchn); else - send_guest_global_virq(dom0, VIRQ_DOM_EXC); + send_global_virq(VIRQ_DOM_EXC); } static void vcpu_check_shutdown(struct vcpu *v) @@ -480,7 +480,7 @@ int domain_kill(struct domain *d) } d->is_dying = DOMDYING_dead; put_domain(d); - send_guest_global_virq(dom0, VIRQ_DOM_EXC); + send_global_virq(VIRQ_DOM_EXC); /* fallthrough */ case DOMDYING_dead: break; @@ -621,7 +621,7 @@ void domain_pause_for_debugger(void) for_each_vcpu ( d, v ) vcpu_sleep_nosync(v); - send_guest_global_virq(dom0, VIRQ_DEBUGGER); + send_global_virq(VIRQ_DEBUGGER); } /* Complete domain destroy after RCU readers are not holding old references. */ @@ -680,7 +680,7 @@ static void complete_domain_destroy(struct rcu_head *head) free_cpumask_var(d->domain_dirty_cpumask); free_domain_struct(d); - send_guest_global_virq(dom0, VIRQ_DOM_EXC); + send_global_virq(VIRQ_DOM_EXC); } /* Release resources belonging to task @p. */ |