RE: [PATCH 2/2 v2] kvm: powerpc: set cache coherency only for kernel managed pages

2013-07-22 Thread Bhushan Bharat-R65777
> -Original Message- > From: Wood Scott-B07421 > Sent: Tuesday, July 23, 2013 12:18 AM > To: Bhushan Bharat-R65777 > Cc: Wood Scott-B07421; Alexander Graf; kvm-ppc@vger.kernel.org; > k...@vger.kernel.org > Subject: Re: [PATCH 2/2 v2] kvm: powerpc: set cache coherency only for kernel > man

Re: [PATCH 03/10] vfio: add external user support

2013-07-22 Thread Alex Williamson
On Tue, 2013-07-16 at 10:53 +1000, Alexey Kardashevskiy wrote: > VFIO is designed to be used via ioctls on file descriptors > returned by VFIO. > > However in some situations support for an external user is required. > The first user is KVM on PPC64 (SPAPR TCE protocol) which is going to > use the

Re: [PATCH 04/10] powerpc: Prepare to support kernel handling of IOMMU map/unmap

2013-07-22 Thread Alexey Kardashevskiy
Ping, anyone, please? Ben needs ack from any of MM people before proceeding with this patch. Thanks! On 07/16/2013 10:53 AM, Alexey Kardashevskiy wrote: > The current VFIO-on-POWER implementation supports only user mode > driven mapping, i.e. QEMU is sending requests to map/unmap pages. > Howeve

Re: PPC: Don't sync timebase when inside VM

2013-07-22 Thread Scott Wood
On Fri, Mar 02, 2012 at 03:12:33PM +0100, Alexander Graf wrote: > When running inside a virtual machine, we can not modify timebase, so > let's just not call the functions for it then. > > This resolves hangs when booting e500 SMP guests on overcommitted hosts. > > Reported-by: Stuart Yoder > Si

Re: [PATCH 2/2 v2] kvm: powerpc: set cache coherency only for kernel managed pages

2013-07-22 Thread Scott Wood
On 07/21/2013 11:39:45 PM, Bhushan Bharat-R65777 wrote: > -Original Message- > From: Wood Scott-B07421 > Sent: Thursday, July 18, 2013 11:09 PM > To: Alexander Graf > Cc: Bhushan Bharat-R65777; kvm-ppc@vger.kernel.org; k...@vger.kernel.org; Bhushan > Bharat-R65777 > Subject: Re: [PAT