Re: tlb flush after each vm_exit, also virtual interrupts injection

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



2016-08-30 0:39 GMT+08:00 Paolo Bonzini <pbonzini@xxxxxxxxxx>:
>
>
> On 29/08/2016 12:22, Wanpeng Li wrote:
>>>> >> patches which will update gsi routing after changed MSI-X
>>>> >> configuration(https://patchwork.kernel.org/patch/6827431/)
>>>> >> , so why set MSI routing entry again during send MSI?
>>> >
>>> > KVM_SIGNAL_MSI does not need a previous KVM_SET_GSI_ROUTING, but if
>>> > userspace wants it can use both.  Note that you've linked a patch for
>>> > lkvm, not Linux or QEMU.
>> Do you mean that MSI/MSI-X don't necessary have a routing table?
>
> Generally it's not if you don't use irqfd.

Thanks for pointing out. :)

Regards,
Wanpeng Li
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux