Re: [PATCH kernel 9/9] KVM: PPC: Add in-kernel acceleration for VFIO

2016-12-19 Thread Alex Williamson
On Wed, 14 Dec 2016 14:53:13 +1100 Alexey Kardashevskiy wrote: > On 10/12/16 02:35, Alex Williamson wrote: > > On Fri, 9 Dec 2016 18:53:43 +1100 > > Alexey Kardashevskiy wrote: > > > >> On 09/12/16 04:55, Alex Williamson wrote: > >>> On Thu, 8 Dec 2016 19:19:56 +1100 > >>> Alexey Kardashev

Re: [PATCH kernel 9/9] KVM: PPC: Add in-kernel acceleration for VFIO

2016-12-13 Thread Alexey Kardashevskiy
On 10/12/16 02:35, Alex Williamson wrote: > On Fri, 9 Dec 2016 18:53:43 +1100 > Alexey Kardashevskiy wrote: > >> On 09/12/16 04:55, Alex Williamson wrote: >>> On Thu, 8 Dec 2016 19:19:56 +1100 >>> Alexey Kardashevskiy wrote: >>> This allows the host kernel to handle H_PUT_TCE, H_PUT_TCE

Re: [PATCH kernel 9/9] KVM: PPC: Add in-kernel acceleration for VFIO

2016-12-09 Thread Alex Williamson
On Fri, 9 Dec 2016 18:53:43 +1100 Alexey Kardashevskiy wrote: > On 09/12/16 04:55, Alex Williamson wrote: > > On Thu, 8 Dec 2016 19:19:56 +1100 > > Alexey Kardashevskiy wrote: > > > >> This allows the host kernel to handle H_PUT_TCE, H_PUT_TCE_INDIRECT > >> and H_STUFF_TCE requests targeted

Re: [PATCH kernel 9/9] KVM: PPC: Add in-kernel acceleration for VFIO

2016-12-08 Thread Alexey Kardashevskiy
On 09/12/16 04:55, Alex Williamson wrote: > On Thu, 8 Dec 2016 19:19:56 +1100 > Alexey Kardashevskiy wrote: > >> This allows the host kernel to handle H_PUT_TCE, H_PUT_TCE_INDIRECT >> and H_STUFF_TCE requests targeted an IOMMU TCE table used for VFIO >> without passing them to user space which s

Re: [PATCH kernel 9/9] KVM: PPC: Add in-kernel acceleration for VFIO

2016-12-08 Thread Alex Williamson
On Thu, 8 Dec 2016 19:19:56 +1100 Alexey Kardashevskiy wrote: > This allows the host kernel to handle H_PUT_TCE, H_PUT_TCE_INDIRECT > and H_STUFF_TCE requests targeted an IOMMU TCE table used for VFIO > without passing them to user space which saves time on switching > to user space and back. >