Re: [libvirt] [PATCH 00/10] VFIO fixes for PCI devices

2015-12-13 Thread Alex Williamson
On Wed, 2015-12-09 at 13:51 +0100, Andrea Bolognani wrote: > On Wed, 2015-12-02 at 18:17 +0100, Andrea Bolognani wrote: > > This series is my attempt at fixing > > > > https://bugzilla.redhat.com/show_bug.cgi?id=1272300 > > > [...] > > > > The problem being solved is that, when using VFIO,

Re: [libvirt] [PATCH 00/10] VFIO fixes for PCI devices

2015-12-13 Thread Andrea Bolognani
On Wed, 2015-12-02 at 18:17 +0100, Andrea Bolognani wrote: > This series is my attempt at fixing > >   https://bugzilla.redhat.com/show_bug.cgi?id=1272300 > [...] > > The problem being solved is that, when using VFIO, IOMMU group > ownership can't be shared, eg. two devices that are in the >

Re: [libvirt] [PATCH 00/10] VFIO fixes for PCI devices

2015-12-13 Thread Alex Williamson
On Thu, 2015-12-10 at 09:06 +0100, Andrea Bolognani wrote: > On Wed, 2015-12-09 at 08:09 -0700, Alex Williamson wrote: > > > I was under the impression that what the current series > > > does, eg. sharing devices in the same IOMMU group between > > > the host driver and vfio-pci is safe as long as

Re: [libvirt] [PATCH 00/10] VFIO fixes for PCI devices

2015-12-10 Thread Andrea Bolognani
On Wed, 2015-12-09 at 08:09 -0700, Alex Williamson wrote: > > I was under the impression that what the current series > > does, eg. sharing devices in the same IOMMU group between > > the host driver and vfio-pci is safe as long as no guest is > > using them at the same time, and that devices

[libvirt] [PATCH 00/10] VFIO fixes for PCI devices

2015-12-02 Thread Andrea Bolognani
This series is my attempt at fixing https://bugzilla.redhat.com/show_bug.cgi?id=1272300 In its current state, it's missing test cases covering the new functionality[1] and it's known not to handle properly one situation[2], but I'd like to get some feedback on my current work and now that I