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Diffstat (limited to 'drivers/xen/platform-pci.c')
| -rw-r--r-- | drivers/xen/platform-pci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/xen/platform-pci.c b/drivers/xen/platform-pci.c index 9db557b76511..18f0ed8b1f93 100644 --- a/drivers/xen/platform-pci.c +++ b/drivers/xen/platform-pci.c @@ -132,6 +132,13 @@ static int platform_pci_probe(struct pci_dev *pdev, dev_warn(&pdev->dev, "request_irq failed err=%d\n", ret); goto out; } + /* + * It doesn't strictly *have* to run on CPU0 but it sure + * as hell better process the event channel ports delivered + * to CPU0. + */ + irq_set_affinity(pdev->irq, cpumask_of(0)); + callback_via = get_callback_via(pdev); ret = xen_set_callback_via(callback_via); if (ret) { |