Re: [Qemu-devel] [PATCH for-4.1 v2] q35: Revert to kernel irqchip

2019-06-12 Thread Daniel P . Berrangé
On Mon, Jun 03, 2019 at 10:06:06AM +0200, Paolo Bonzini wrote: > On 29/05/19 05:30, Michael S. Tsirkin wrote: > > On Tue, May 14, 2019 at 02:14:41PM -0600, Alex Williamson wrote: > >> Commit b2fc91db8447 ("q35: set split kernel irqchip as default") changed > >> the default for the pc-q35-4.0

Re: [Qemu-devel] [PATCH for-4.1 v2] q35: Revert to kernel irqchip

2019-06-03 Thread Paolo Bonzini
On 29/05/19 05:30, Michael S. Tsirkin wrote: > On Tue, May 14, 2019 at 02:14:41PM -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

Re: [Qemu-devel] [PATCH for-4.1 v2] q35: Revert to kernel irqchip

2019-05-31 Thread Alex Williamson
Paolo? Please see MST's request below. Thanks, Alex On Wed, 29 May 2019 12:01:14 -0400 "Michael S. Tsirkin" wrote: > On Wed, May 29, 2019 at 07:43:56AM -0600, Alex Williamson wrote: > > On Tue, 28 May 2019 23:30:20 -0400 > > "Michael S. Tsirkin" wrote: > > > > > On Tue, May 14, 2019 at

Re: [Qemu-devel] [PATCH for-4.1 v2] q35: Revert to kernel irqchip

2019-05-29 Thread Michael S. Tsirkin
On Wed, May 29, 2019 at 07:43:56AM -0600, Alex Williamson wrote: > On Tue, 28 May 2019 23:30:20 -0400 > "Michael S. Tsirkin" wrote: > > > On Tue, May 14, 2019 at 02:14:41PM -0600, Alex Williamson wrote: > > > Commit b2fc91db8447 ("q35: set split kernel irqchip as default") changed > > > the

Re: [Qemu-devel] [PATCH for-4.1 v2] q35: Revert to kernel irqchip

2019-05-29 Thread Alex Williamson
On Tue, 28 May 2019 23:30:20 -0400 "Michael S. Tsirkin" wrote: > On Tue, May 14, 2019 at 02:14:41PM -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

Re: [Qemu-devel] [PATCH for-4.1 v2] q35: Revert to kernel irqchip

2019-05-28 Thread Michael S. Tsirkin
On Tue, May 14, 2019 at 02:14:41PM -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

Re: [Qemu-devel] [PATCH for-4.1 v2] q35: Revert to kernel irqchip

2019-05-15 Thread Daniel P . Berrangé
On Wed, May 15, 2019 at 02:15:03PM +0800, Peter Xu wrote: > On Tue, May 14, 2019 at 02:14:41PM -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

Re: [Qemu-devel] [PATCH for-4.1 v2] q35: Revert to kernel irqchip

2019-05-15 Thread Peter Xu
On Tue, May 14, 2019 at 02:14:41PM -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 v2] 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