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| author | Keir Fraser <keir.fraser@citrix.com> | 2008-11-18 11:16:36 +0000 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-11-18 11:16:36 +0000 |
| commit | 5f8902540cff4f5a69218f3cdd04caf5a0028ee8 (patch) | |
| tree | 46353fab9124865cef26978d00f27627974e63c8 /xen/arch/x86/hvm/vmsi.c | |
| parent | eab9e6e242d4698c015a7f3785e8fd67b44b3843 (diff) | |
| download | xen-5f8902540cff4f5a69218f3cdd04caf5a0028ee8.tar.gz xen-5f8902540cff4f5a69218f3cdd04caf5a0028ee8.tar.bz2 xen-5f8902540cff4f5a69218f3cdd04caf5a0028ee8.zip | |
x86, hvm: Implement interrupt routing to least priority processor.
Instead of round robin the vcpu with the lowest processor
priority is selected for the interrupt. If multiple vcpus
share the same low priority then interrupts are distributed between
those round robin.
Signed-off-by: Juergen Gross <juergen.gross@fujitsu-siemens.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Diffstat (limited to 'xen/arch/x86/hvm/vmsi.c')
| -rw-r--r-- | xen/arch/x86/hvm/vmsi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/xen/arch/x86/hvm/vmsi.c b/xen/arch/x86/hvm/vmsi.c index 6eefb61bfa..cc9e9adde5 100644 --- a/xen/arch/x86/hvm/vmsi.c +++ b/xen/arch/x86/hvm/vmsi.c @@ -152,7 +152,7 @@ int vmsi_deliver(struct domain *d, int pirq) { case dest_LowestPrio: { - target = apic_round_robin(d, vector, deliver_bitmask); + target = apic_lowest_prio(d, deliver_bitmask); if ( target != NULL ) vmsi_inj_irq(d, target, vector, trig_mode, delivery_mode); else |