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| author | Ian Campbell <ian.campbell@citrix.com> | 2011-03-10 16:08:02 +0000 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-03-10 14:48:32 -0500 |
| commit | be49472f0460455e8e0d9e6593837e09cbcc9ad7 (patch) | |
| tree | 84f1163260aff2766ba460de502ad29fab663948 /drivers/xen/events.c | |
| parent | 71eef7d1e3d9df760897fdd2cad6949a8bcf1620 (diff) | |
| download | blackbird-op-linux-be49472f0460455e8e0d9e6593837e09cbcc9ad7.tar.gz blackbird-op-linux-be49472f0460455e8e0d9e6593837e09cbcc9ad7.zip | |
xen: events: separate two unrelated halves of if condition
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>
Diffstat (limited to 'drivers/xen/events.c')
| -rw-r--r-- | drivers/xen/events.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 6befe6227159..684b0950538a 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -1143,10 +1143,14 @@ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu) struct evtchn_bind_vcpu bind_vcpu; int evtchn = evtchn_from_irq(irq); - /* events delivered via platform PCI interrupts are always - * routed to vcpu 0 */ - if (!VALID_EVTCHN(evtchn) || - (xen_hvm_domain() && !xen_have_vector_callback)) + if (!VALID_EVTCHN(evtchn)) + return -1; + + /* + * 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; /* Send future instances of this interrupt to other vcpu. */ |
