From 1e001d49f9f9a0e3eb72939ad49d9a2c7754e9c1 Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Tue, 16 Nov 2010 22:30:04 +0100 Subject: [PATCH] KVM: Refactor IRQ names of assigned devices Cosmetic change, but it helps to correlate IRQs with PCI devices. Acked-by: Alex Williamson Acked-by: Michael S. Tsirkin Signed-off-by: Jan Kiszka Signed-off-by: Marcelo Tosatti --- include/linux/kvm_host.h | 1 + virt/kvm/assigned-dev.c | 11 ++++++----- 2 files changed, 7 insertions(+), 5 deletions(-) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 9fe7fefe76b1..4bd663d6443d 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -489,6 +489,7 @@ struct kvm_assigned_dev_kernel { struct pci_dev *dev; struct kvm *kvm; spinlock_t intx_lock; + char irq_name[32]; }; struct kvm_irq_mask_notifier { diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c index 1d77ce16360a..7623408dbc81 100644 --- a/virt/kvm/assigned-dev.c +++ b/virt/kvm/assigned-dev.c @@ -231,8 +231,7 @@ static int assigned_device_enable_host_intx(struct kvm *kvm, * are going to be long delays in accepting, acking, etc. */ if (request_threaded_irq(dev->host_irq, NULL, kvm_assigned_dev_thread, - IRQF_ONESHOT, "kvm_assigned_intx_device", - (void *)dev)) + IRQF_ONESHOT, dev->irq_name, (void *)dev)) return -EIO; return 0; } @@ -251,7 +250,7 @@ static int assigned_device_enable_host_msi(struct kvm *kvm, dev->host_irq = dev->dev->irq; if (request_threaded_irq(dev->host_irq, NULL, kvm_assigned_dev_thread, - 0, "kvm_assigned_msi_device", (void *)dev)) { + 0, dev->irq_name, (void *)dev)) { pci_disable_msi(dev->dev); return -EIO; } @@ -278,8 +277,7 @@ static int assigned_device_enable_host_msix(struct kvm *kvm, for (i = 0; i < dev->entries_nr; i++) { r = request_threaded_irq(dev->host_msix_entries[i].vector, NULL, kvm_assigned_dev_thread, - 0, "kvm_assigned_msix_device", - (void *)dev); + 0, dev->irq_name, (void *)dev); if (r) goto err; } @@ -336,6 +334,9 @@ static int assign_host_irq(struct kvm *kvm, if (dev->irq_requested_type & KVM_DEV_IRQ_HOST_MASK) return r; + snprintf(dev->irq_name, sizeof(dev->irq_name), "kvm:%s", + pci_name(dev->dev)); + switch (host_irq_type) { case KVM_DEV_IRQ_HOST_INTX: r = assigned_device_enable_host_intx(kvm, dev);