diff options
Diffstat (limited to 'arch/x86/kernel/apic')
| -rw-r--r-- | arch/x86/kernel/apic/msi.c | 11 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/vector.c | 4 |
2 files changed, 9 insertions, 6 deletions
diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c index dbacb9ec8843..7517eb05bdc1 100644 --- a/arch/x86/kernel/apic/msi.c +++ b/arch/x86/kernel/apic/msi.c @@ -19,6 +19,7 @@ #include <asm/hw_irq.h> #include <asm/apic.h> #include <asm/irq_remapping.h> +#include <asm/xen/hypervisor.h> struct irq_domain *x86_pci_msi_default_domain __ro_after_init; @@ -159,11 +160,8 @@ static struct irq_chip pci_msi_controller = { int pci_msi_prepare(struct irq_domain *domain, struct device *dev, int nvec, msi_alloc_info_t *arg) { - struct pci_dev *pdev = to_pci_dev(dev); - struct msi_desc *desc = first_pci_msi_entry(pdev); - init_irq_alloc_info(arg, NULL); - if (desc->msi_attrib.is_msix) { + if (to_pci_dev(dev)->msix_enabled) { arg->type = X86_IRQ_ALLOC_TYPE_PCI_MSIX; } else { arg->type = X86_IRQ_ALLOC_TYPE_PCI_MSI; @@ -345,3 +343,8 @@ void dmar_free_hwirq(int irq) irq_domain_free_irqs(irq, 1); } #endif + +bool arch_restore_msi_irqs(struct pci_dev *dev) +{ + return xen_initdom_restore_msi(dev); +} diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index c132daabe615..3e6f6b448f6a 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -760,9 +760,9 @@ void __init lapic_update_legacy_vectors(void) void __init lapic_assign_system_vectors(void) { - unsigned int i, vector = 0; + unsigned int i, vector; - for_each_set_bit_from(vector, system_vectors, NR_VECTORS) + for_each_set_bit(vector, system_vectors, NR_VECTORS) irq_matrix_assign_system(vector_matrix, vector, false); if (nr_legacy_irqs() > 1) |