On Tue, Jul 26, 2016 at 05:15:58AM +0300, Michael S. Tsirkin wrote:
> On Mon, Jul 25, 2016 at 07:36:24PM +0800, Peter Xu wrote:
> > IOMMU IR and IOAPIC legacy devices (e.g., e1000) cannot work well
> > together with some old Linux kernels (upstream before v4.0, or any
> > released RHEL kernels). Th
On Mon, Jul 25, 2016 at 07:36:24PM +0800, Peter Xu wrote:
> IOMMU IR and IOAPIC legacy devices (e.g., e1000) cannot work well
> together with some old Linux kernels (upstream before v4.0, or any
> released RHEL kernels). This patch fixes it.
>
> The problem is that: some old linux kernels (with IR
IOMMU IR and IOAPIC legacy devices (e.g., e1000) cannot work well
together with some old Linux kernels (upstream before v4.0, or any
released RHEL kernels). This patch fixes it.
The problem is that: some old linux kernels (with IR enabled) only
support IOAPIC chips with version 0x20. New kernels a
