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Re: [Qemu-devel] [RFC PATCH v3 3/5] kvm_arm: Pass requester ID to MSI ro
From: |
Pavel Fedin |
Subject: |
Re: [Qemu-devel] [RFC PATCH v3 3/5] kvm_arm: Pass requester ID to MSI routing functions |
Date: |
Mon, 30 Nov 2015 09:41:50 +0300 |
Hello!
> > + route->u.msi.devid = pci_requester_id(dev);
> > + }
>
> Is there anything that would go wrong if we just always set
> the u.msi.devid and the VALID_DEVID flag? (ie do we need the
> kvm_arm_msi_use_devid bool?)
Current kernels always make sure that flags == 0, or they simply return
-EINVAL. Therefore, for backwards compatibility we set the flag only if we know
that we need it.
Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia
- [Qemu-devel] [RFC PATCH v3 0/5] vITS support, Pavel Fedin, 2015/11/24
- [Qemu-devel] [RFC PATCH v3 2/5] kernel: Add vGICv3 ITS definitions, Pavel Fedin, 2015/11/24
- [Qemu-devel] [RFC PATCH v3 3/5] kvm_arm: Pass requester ID to MSI routing functions, Pavel Fedin, 2015/11/24
- [Qemu-devel] [RFC PATCH v3 5/5] arm/virt: Add ITS to the virt board, Pavel Fedin, 2015/11/24
- [Qemu-devel] [RFC PATCH v3 1/5] hw/intc: Implement ITS base class, Pavel Fedin, 2015/11/24
- [Qemu-devel] [RFC PATCH v3 4/5] kvm_arm: Implement support for ITS emulation by KVM, Pavel Fedin, 2015/11/24