Re: [PATCH kernel v5 10/10] KVM: PPC: VFIO: Add in-kernel acceleration for VFIO

2017-02-27 Thread David Gibson
On Mon, Feb 27, 2017 at 02:20:13PM +1100, Alexey Kardashevskiy wrote: > On 27/02/17 12:53, David Gibson wrote: > > On Fri, Feb 24, 2017 at 02:43:05PM +1100, Alexey Kardashevskiy wrote: > >> On 24/02/17 14:36, David Gibson wrote: > >>> On Fri, Feb 24, 2017 at 02:29:14PM +1100, Alexey Kardashevskiy w

Re: [PATCH kernel v5 10/10] KVM: PPC: VFIO: Add in-kernel acceleration for VFIO

2017-02-26 Thread Alexey Kardashevskiy
On 27/02/17 12:53, David Gibson wrote: > On Fri, Feb 24, 2017 at 02:43:05PM +1100, Alexey Kardashevskiy wrote: >> On 24/02/17 14:36, David Gibson wrote: >>> On Fri, Feb 24, 2017 at 02:29:14PM +1100, Alexey Kardashevskiy wrote: On 24/02/17 13:14, David Gibson wrote: > On Wed, Feb 22, 2017 a

Re: [PATCH kernel v5 10/10] KVM: PPC: VFIO: Add in-kernel acceleration for VFIO

2017-02-26 Thread David Gibson
On Fri, Feb 24, 2017 at 02:43:05PM +1100, Alexey Kardashevskiy wrote: > On 24/02/17 14:36, David Gibson wrote: > > On Fri, Feb 24, 2017 at 02:29:14PM +1100, Alexey Kardashevskiy wrote: > >> On 24/02/17 13:14, David Gibson wrote: > >>> On Wed, Feb 22, 2017 at 07:21:33PM +1100, Alexey Kardashevskiy >

Re: [PATCH kernel v5 10/10] KVM: PPC: VFIO: Add in-kernel acceleration for VFIO

2017-02-23 Thread Alexey Kardashevskiy
On 24/02/17 14:43, Alexey Kardashevskiy wrote: > On 24/02/17 14:36, David Gibson wrote: >> On Fri, Feb 24, 2017 at 02:29:14PM +1100, Alexey Kardashevskiy wrote: >>> On 24/02/17 13:14, David Gibson wrote: On Wed, Feb 22, 2017 at 07:21:33PM +1100, Alexey Kardashevskiy wrote: > This allows th

Re: [PATCH kernel v5 10/10] KVM: PPC: VFIO: Add in-kernel acceleration for VFIO

2017-02-23 Thread Alexey Kardashevskiy
On 24/02/17 14:36, David Gibson wrote: > On Fri, Feb 24, 2017 at 02:29:14PM +1100, Alexey Kardashevskiy wrote: >> On 24/02/17 13:14, David Gibson wrote: >>> On Wed, Feb 22, 2017 at 07:21:33PM +1100, Alexey Kardashevskiy wrote: This allows the host kernel to handle H_PUT_TCE, H_PUT_TCE_INDIRECT

Re: [PATCH kernel v5 10/10] KVM: PPC: VFIO: Add in-kernel acceleration for VFIO

2017-02-23 Thread David Gibson
On Fri, Feb 24, 2017 at 02:29:14PM +1100, Alexey Kardashevskiy wrote: > On 24/02/17 13:14, David Gibson wrote: > > On Wed, Feb 22, 2017 at 07:21:33PM +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

Re: [PATCH kernel v5 10/10] KVM: PPC: VFIO: Add in-kernel acceleration for VFIO

2017-02-23 Thread Alexey Kardashevskiy
On 24/02/17 13:14, David Gibson wrote: > On Wed, Feb 22, 2017 at 07:21:33PM +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 sav

Re: [PATCH kernel v5 10/10] KVM: PPC: VFIO: Add in-kernel acceleration for VFIO

2017-02-23 Thread David Gibson
On Wed, Feb 22, 2017 at 07:21:33PM +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 bac

[PATCH kernel v5 10/10] KVM: PPC: VFIO: Add in-kernel acceleration for VFIO

2017-02-22 Thread Alexey Kardashevskiy
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. This adds H_PUT_TCE/H_PUT_TCE_INDIRECT/H_STUFF_TCE handlers to KVM. KVM tr