similar to: [RFC PATCH 00/12] s390: virtio: support protected virtualization

On Fri, 26 Apr 2019 20:32:35 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > Enhanced virtualization protection technology may require the use of > bounce buffers for I/O. While support for this was built into the virtio > core, virtio-ccw wasn't changed accordingly. > > Some background on technology (not part of this series) and the > terminology used. > >

Halil, I just ran my toleration tests successfully on current HW for this series. Michael On 12.06.19 13:12, Halil Pasic wrote: > Enhanced virtualization protection technology may require the use of > bounce buffers for I/O. While support for this was built into the virtio > core, virtio-ccw wasn't changed accordingly. > > Some background on technology (not part of this

On Thu, 13 Jun 2019 11:11:13 +0200 Michael Mueller <mimu at linux.ibm.com> wrote: > Halil, > > I just ran my toleration tests successfully on current HW for > this series. > > Michael Thanks Michael! May I add a Tested-by: Michael Mueller <mimu at linux.ibm.com> for each patch? > > On 12.06.19 13:12, Halil Pasic wrote: > > Enhanced virtualization

On Fri, 5 Apr 2019 01:16:10 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > Enhanced virtualization protection technology may require the use of > bounce buffers for I/O. While support for this was built into the virtio > core, virtio-ccw wasn't changed accordingly. > > Thus what needs to be done to bring virtio-ccw up to speed with respect > to this is: > *

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

On Mon, 13 May 2019 15:29:24 +0200 Cornelia Huck <cohuck at redhat.com> wrote: > On Sun, 12 May 2019 20:22:56 +0200 > Halil Pasic <pasic at linux.ibm.com> wrote: > > > On Fri, 10 May 2019 16:10:13 +0200 > > Cornelia Huck <cohuck at redhat.com> wrote: > > > > > On Fri, 10 May 2019 00:11:12 +0200 > > > Halil Pasic <pasic at

On Fri, 10 May 2019 16:10:13 +0200 Cornelia Huck <cohuck at redhat.com> wrote: > On Fri, 10 May 2019 00:11:12 +0200 > Halil Pasic <pasic at linux.ibm.com> wrote: > > > On Thu, 9 May 2019 12:11:06 +0200 > > Cornelia Huck <cohuck at redhat.com> wrote: > > > > > On Wed, 8 May 2019 23:22:10 +0200 > > > Halil Pasic <pasic at

On Sun, 12 May 2019 20:22:56 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Fri, 10 May 2019 16:10:13 +0200 > Cornelia Huck <cohuck at redhat.com> wrote: > > > On Fri, 10 May 2019 00:11:12 +0200 > > Halil Pasic <pasic at linux.ibm.com> wrote: > > > > > On Thu, 9 May 2019 12:11:06 +0200 > > > Cornelia Huck <cohuck at

On Sun, 12 May 2019 20:22:56 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Fri, 10 May 2019 16:10:13 +0200 > Cornelia Huck <cohuck at redhat.com> wrote: > > > On Fri, 10 May 2019 00:11:12 +0200 > > Halil Pasic <pasic at linux.ibm.com> wrote: > > > > > On Thu, 9 May 2019 12:11:06 +0200 > > > Cornelia Huck <cohuck at

On Wed, 10 Apr 2019 02:10:44 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Tue, 9 Apr 2019 19:55:48 +0200 > Cornelia Huck <cohuck at redhat.com> wrote: > > > On Fri, 5 Apr 2019 01:16:15 +0200 > > Halil Pasic <pasic at linux.ibm.com> wrote: > > > Thus we need to make sure any memory that is used for communication with > > > the

On Fri, 5 Apr 2019 01:16:13 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On s390 protected virtualization guests also have to use bounce I/O > buffers. That requires some plumbing. > > Let us make sure any device using DMA API accordingly is spared from the > problems that hypervisor attempting I/O to a non-shared secure page would > bring. I have problems

On Fri, 5 Apr 2019 01:16:15 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > Virtio-ccw relies on cio mechanisms for bootstrapping the ccw device. Well, a ccw device is, by definition, using cio mechanisms ;) Better say: "As virtio-ccw devices are channel devices, we need to use the dma area for any communication with the hypervisor." Or something like that. > Thus we

> Subject: [PATCH 04/10] s390/mm: force swiotlb for protected virtualization > Date: Fri, 26 Apr 2019 20:32:39 +0200 > From: Halil Pasic <pasic at linux.ibm.com> > To: kvm at vger.kernel.org, linux-s390 at vger.kernel.org, Cornelia Huck <cohuck at redhat.com>, > Martin Schwidefsky <schwidefsky at de.ibm.com>, Sebastian Ott <sebott at linux.ibm.com> > CC: