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xen: events: separate two unrelated halves of if condition

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Clarifies which bit the comment applies to.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Ian Campbell
2011-03-10 16:08:02 +00:00
committed by Konrad Rzeszutek Wilk
parent 71eef7d1e3
commit be49472f04
1 changed files with 8 additions and 4 deletions
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12
drivers/xen/events.c
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@@ -1143,10 +1143,14 @@ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
struct evtchn_bind_vcpu bind_vcpu; struct evtchn_bind_vcpu bind_vcpu;
int evtchn = evtchn_from_irq(irq); int evtchn = evtchn_from_irq(irq);
/* events delivered via platform PCI interrupts are always if (!VALID_EVTCHN(evtchn))
* routed to vcpu 0 */ return -1;
if (!VALID_EVTCHN(evtchn) ||
(xen_hvm_domain() && !xen_have_vector_callback)) /*
* Events delivered via platform PCI interrupts are always
* routed to vcpu 0 and hence cannot be rebound.
*/
if (xen_hvm_domain() && !xen_have_vector_callback)
return -1; return -1;
/* Send future instances of this interrupt to other vcpu. */ /* Send future instances of this interrupt to other vcpu. */