From: Qiqi Li <liqiqi23@huawei.com> The two primary goals of this series are to make the irqbypass concept easier to understand, and to address the terrible performance that can result from using a list to track connections. Provides additional adaptation for the ub vfio device in openEuler. Sean Christopherson (8): irqbypass: Drop pointless and misleading THIS_MODULE get/put irqbypass: Drop superfluous might_sleep() annotations irqbypass: Take ownership of producer/consumer token tracking irqbypass: Explicitly track producer and consumer bindings irqbypass: Use paired consumer/producer to disconnect during unregister irqbypass: Use guard(mutex) in lieu of manual lock+unlock irqbypass: Use xarray to track producers and consumers irqbypass: Require producers to pass in Linux IRQ number during registration arch/x86/kvm/x86.c | 4 +- drivers/vfio/pci/vfio_pci_intrs.c | 10 +- drivers/vfio/ubus/vfio_ub_intrs.c | 12 +- drivers/vhost/vdpa.c | 10 +- include/linux/irqbypass.h | 46 +++---- virt/kvm/eventfd.c | 7 +- virt/lib/irqbypass.c | 192 +++++++++++------------------- 7 files changed, 112 insertions(+), 169 deletions(-) -- 2.43.0