Re: [Qemu-devel] [PATCH for-4.1] q35: Revert to kernel irqchip

2019-05-14 Thread Alex Williamson
On Tue, 14 May 2019 12:46:47 -0600 Alex Williamson wrote: > Commit b2fc91db8447 ("q35: set split kernel irqchip as default") changed > the default for the pc-q35-4.0 machine type to use split irqchip, which > turned out to have disasterous effects on vfio-pci INTx support. KVM > resampling

[Qemu-devel] [PATCH for-4.1] q35: Revert to kernel irqchip

2019-05-14 Thread Alex Williamson
Commit b2fc91db8447 ("q35: set split kernel irqchip as default") changed the default for the pc-q35-4.0 machine type to use split irqchip, which turned out to have disasterous effects on vfio-pci INTx support. KVM resampling irqfds are registered for handling these interrupts, but these are