Re: [PATCH v3] vfio/pci: Fix INTx handling on legacy non-PCI 2.3 devices

2025-09-23 Thread Cédric Le Goater
On 9/22/25 20:21, Timothy Pearson wrote: PCI devices prior to PCI 2.3 both use level interrupts and do not support interrupt masking, leading to a failure when passed through to a KVM guest on at least the ppc64 platform. This failure manifests as receiving and acknowledging a single interrupt in

Re: [PATCH v3] vfio/pci: Fix INTx handling on legacy non-PCI 2.3 devices

2025-09-23 Thread Timothy Pearson
Apologies, resent. - Original Message - > From: "Cédric Le Goater" > To: "Timothy Pearson" , "kvm" > > Cc: "linuxppc-dev" , "Alex Williamson" > > Sent: Tuesday, September 23, 2025 12:02:12 PM > Subject: Re: [PATCH

[PATCH v3] vfio/pci: Fix INTx handling on legacy non-PCI 2.3 devices

2025-09-22 Thread Timothy Pearson
PCI devices prior to PCI 2.3 both use level interrupts and do not support interrupt masking, leading to a failure when passed through to a KVM guest on at least the ppc64 platform. This failure manifests as receiving and acknowledging a single interrupt in the guest, while the device continues to a