Re: [PATCH RFC 0/5] Eliminate double-copying of FP/VMX/VSX state

2013-09-09 Thread Michael Neuling
At present, PR KVM and BookE KVM does multiple copies of FP and related state because of the way that they use the arrays in the thread_struct as an intermediate staging post for the state. They do this so that they can use the existing system functions for loading and saving state, and so

Re: [PATCH RFC 0/5] Eliminate double-copying of FP/VMX/VSX state

2013-09-09 Thread Alexander Graf
On 09.09.2013, at 09:28, Michael Neuling wrote: At present, PR KVM and BookE KVM does multiple copies of FP and related state because of the way that they use the arrays in the thread_struct as an intermediate staging post for the state. They do this so that they can use the existing system

Re: vfio for platform devices - 9/5/2012 - minutes

2013-09-09 Thread Will Deacon
On Fri, Sep 06, 2013 at 07:20:19PM +0100, Yoder Stuart-B08248 wrote: Adding Will... [...] I have a query about the ARM SMMU driver. In the ARM smmu driver I see, that bus notifiers are registered for both amba and platform bus. Amba is the I/O interconnect, right? Why is bus notifier

RE: vfio for platform devices - 9/5/2012 - minutes

2013-09-09 Thread Sethi Varun-B16395
Hi Will, Just trying to understand the scope of platform device assignment to guest on ARM. So, are the AMBA devices also represented in the device tree? Regards Varun -Original Message- From: kvm-ppc-ow...@vger.kernel.org [mailto:kvm-ppc- ow...@vger.kernel.org] On Behalf Of Will

Re: [PATCH RFC 0/5] Eliminate double-copying of FP/VMX/VSX state

2013-09-09 Thread Michael Neuling
Alexander Graf ag...@suse.de wrote: On 09.09.2013, at 09:28, Michael Neuling wrote: At present, PR KVM and BookE KVM does multiple copies of FP and related state because of the way that they use the arrays in the thread_struct as an intermediate staging post for the state. They do

Re: [PATCH RFC 0/5] Eliminate double-copying of FP/VMX/VSX state

2013-09-09 Thread Alexander Graf
On 09.09.2013, at 11:38, Michael Neuling wrote: Alexander Graf ag...@suse.de wrote: On 09.09.2013, at 09:28, Michael Neuling wrote: At present, PR KVM and BookE KVM does multiple copies of FP and related state because of the way that they use the arrays in the thread_struct as an