mirror of https://gitee.com/openkylin/qemu.git
38d87493f3
Adding two hooks to be notified when adding/removing msi routes. There are two kinds of MSI routes: - in kvm_irqchip_add_irq_route(): before assigning IRQFD. Used by vhost, vfio, etc. - in kvm_irqchip_send_msi(): when sending direct MSI message, if direct MSI not allowed, we will first create one MSI route entry in the kernel, then trigger it. This patch only hooks the first one (irqfd case). We do not need to take care for the 2nd one, since it's only used by QEMU userspace (kvm-apic) and the messages will always do in-time translation when triggered. While we need to note them down for the 1st one, so that we can notify the kernel when cache invalidation happens. Also, we do not hook IOAPIC msi routes (we have explicit notifier for IOAPIC to keep its cache updated). We only need to care about irqfd users. Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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| .. | ||
| Makefile.objs | ||
| arch_dump.c | ||
| cc_helper.c | ||
| cpu-qom.h | ||
| cpu.c | ||
| cpu.h | ||
| fpu_helper.c | ||
| gdbstub.c | ||
| helper.c | ||
| helper.h | ||
| insn-data.def | ||
| insn-format.def | ||
| int_helper.c | ||
| interrupt.c | ||
| ioinst.c | ||
| kvm.c | ||
| machine.c | ||
| mem_helper.c | ||
| misc_helper.c | ||
| mmu_helper.c | ||
| trace-events | ||
| translate.c | ||