Re: Design session notes: GPU acceleration in Xen

On Mon, Jun 17, 2024 at 08:57:14PM -0400, Demi Marie Obenour wrote: > Given the recent progress on PVH dom0, is it reasonable to assume that > PVH dom0 will be ready in time for R4.3, and that therefore Qubes OS > doesn't need to worry about this problem on x86? PVH dom0 will only be ready

Re: [RFC PATCH 1/5] x86/xen: disable swiotlb for xen pvh

On Thu, Mar 16, 2023 at 04:09:44PM -0700, Stefano Stabellini wrote: > On Thu, 16 Mar 2023, Juergen Gross wrote: > > On 16.03.23 14:53, Alex Deucher wrote: > > > On Thu, Mar 16, 2023 at 9:48 AM Juergen Gross wrote: > > > > > > > > On 16.03.23 14:45, Alex Deucher wrote: > > > > > On Thu, Mar 16,

Re: [RFC PATCH 1/5] x86/xen: disable swiotlb for xen pvh

On Sun, Mar 12, 2023 at 08:01:53PM +0800, Huang Rui wrote: > Xen PVH is the paravirtualized mode and takes advantage of hardware > virtualization support when possible. It will using the hardware IOMMU > support instead of xen-swiotlb, so disable swiotlb if current domain is > Xen PVH. > >

Re: [RFC PATCH 5/5] xen/privcmd: add IOCTL_PRIVCMD_GSI_FROM_IRQ

On Sun, Mar 12, 2023 at 08:01:57PM +0800, Huang Rui wrote: > From: Chen Jiqian > > When hypervisor get an interrupt, it needs interrupt's > gsi number instead of irq number. Gsi number is unique > in xen, but irq number is only unique in one domain. > So, we need to record the relationship

Re: [RFC PATCH 4/5] x86/xen: acpi registers gsi for xen pvh

On Sun, Mar 12, 2023 at 08:01:56PM +0800, Huang Rui wrote: > From: Chen Jiqian > > Add acpi_register_gsi_xen_pvh() to register gsi for PVH mode. > In addition to call acpi_register_gsi_ioapic(), it also setup > a map between gsi and vector in hypervisor side. So that, > when dgpu create an

Re: [RFC PATCH 3/5] drm/amdgpu: set passthrough mode for xen pvh/hvm

On Sun, Mar 12, 2023 at 08:01:55PM +0800, Huang Rui wrote: > There is an second stage translation between the guest machine address > and host machine address in Xen PVH/HVM. The PCI bar address in the xen > guest kernel are not translated at the second stage on Xen PVH/HVM, so I'm confused by

Re: [RFC PATCH 2/5] xen/grants: update initialization order of xen grant table

On Sun, Mar 12, 2023 at 08:01:54PM +0800, Huang Rui wrote: > The xen grant table will be initialied before parsing the PCI resources, > so xen_alloc_unpopulated_pages() ends up using a range from the PCI > window because Linux hasn't parsed the PCI information yet. > > So modify the

Re: [PATCH v5 3/3] xen: add helpers to allocate unpopulated memory

On Fri, Sep 04, 2020 at 09:00:18AM +0200, Jürgen Groß wrote: > On 03.09.20 18:38, Roger Pau Monné wrote: > > On Thu, Sep 03, 2020 at 05:30:07PM +0200, Jürgen Groß wrote: > > > On 01.09.20 10:33, Roger Pau Monne wrote: > > > > To be used in order to create f

Re: [PATCH v5 3/3] xen: add helpers to allocate unpopulated memory

gt; > unpopulated physical memory ranges to map foreign pages, which is the > > correct thing to do in order to avoid mappings of foreign pages depend > > on memory hotplug. > > > > Note the driver is currently not enabled on Arm platforms because it > > would

Re: [PATCH v5 3/3] xen: add helpers to allocate unpopulated memory

On Tue, Sep 01, 2020 at 10:33:26AM +0200, Roger Pau Monne wrote: > +static int fill_list(unsigned int nr_pages) > +{ > + struct dev_pagemap *pgmap; > + void *vaddr; > + unsigned int i, alloc_pages = round_up(nr_pages, PAGES_PER_SECTION); > + int nid, ret; > + > + pgmap =

Re: [PATCH v4 2/2] xen: add helpers to allocate unpopulated memory

On Thu, Aug 13, 2020 at 08:33:37AM +0100, Christoph Hellwig wrote: > On Tue, Aug 11, 2020 at 11:44:47AM +0200, Roger Pau Monne wrote: > > If enabled (because ZONE_DEVICE is supported) the usage of the new > > functionality untangles Xen balloon and RAM hotplug from the usage of > > unpopulated

Re: [PATCH v4 2/2] xen: add helpers to allocate unpopulated memory

On Fri, Aug 14, 2020 at 02:54:38PM +0200, Jürgen Groß wrote: > On 14.08.20 14:47, Roger Pau Monné wrote: > > On Fri, Aug 14, 2020 at 12:27:32PM +0200, Jürgen Groß wrote: > > > On 14.08.20 11:56, Roger Pau Monné wrote: > > > > On Fri, Aug 14, 2020 at 08:29:20AM

Re: [PATCH v4 2/2] xen: add helpers to allocate unpopulated memory

On Fri, Aug 14, 2020 at 12:27:32PM +0200, Jürgen Groß wrote: > On 14.08.20 11:56, Roger Pau Monné wrote: > > On Fri, Aug 14, 2020 at 08:29:20AM +0100, Christoph Hellwig wrote: > > > On Thu, Aug 13, 2020 at 09:54:20AM +0200, Roger Pau Monn?? wrote: > > > > On Thu, Au

Re: [PATCH v4 2/2] xen: add helpers to allocate unpopulated memory

On Fri, Aug 14, 2020 at 08:29:20AM +0100, Christoph Hellwig wrote: > On Thu, Aug 13, 2020 at 09:54:20AM +0200, Roger Pau Monn?? wrote: > > On Thu, Aug 13, 2020 at 08:33:37AM +0100, Christoph Hellwig wrote: > > > On Tue, Aug 11, 2020 at 11:44:47AM +0200, Roger Pau Monne wrote: > > > > If enabled

Re: [PATCH v4 2/2] xen: add helpers to allocate unpopulated memory

: > On Thu, Aug 13, 2020 at 09:54:20AM +0200, Roger Pau Monné wrote: > > On Thu, Aug 13, 2020 at 08:33:37AM +0100, Christoph Hellwig wrote: > > > On Tue, Aug 11, 2020 at 11:44:47AM +0200, Roger Pau Monne wrote: > > > > If enabled (because ZONE_DEVICE is supported) the usage of

Re: [PATCH v4 2/2] xen: add helpers to allocate unpopulated memory

gt; > unpopulated physical memory ranges to map foreign pages, which is the > > correct thing to do in order to avoid mappings of foreign pages depend > > on memory hotplug. > > > > Note the driver is currently not enabled on Arm platforms because it > > would int

Re: [PATCH v3 4/4] xen: add helpers to allocate unpopulated memory

On Tue, Jul 28, 2020 at 06:12:46PM +0100, Julien Grall wrote: > Hi Roger, > > On 28/07/2020 17:59, Roger Pau Monné wrote: > > On Tue, Jul 28, 2020 at 05:48:23PM +0100, Julien Grall wrote: > > > Hi, > > > > > > On 27/07/2020 10:13, Roger Pau Monne wr

Re: [PATCH v3 4/4] xen: add helpers to allocate unpopulated memory

On Tue, Jul 28, 2020 at 06:06:25PM +0100, Andrew Cooper wrote: > On 28/07/2020 17:59, Roger Pau Monné wrote: > > On Tue, Jul 28, 2020 at 05:48:23PM +0100, Julien Grall wrote: > >> Hi, > >> > >> On 27/07/2020 10:13, Roger Pau Monne wrote: > >>>

Re: [PATCH v3 4/4] xen: add helpers to allocate unpopulated memory

On Tue, Jul 28, 2020 at 05:48:23PM +0100, Julien Grall wrote: > Hi, > > On 27/07/2020 10:13, Roger Pau Monne wrote: > > To be used in order to create foreign mappings. This is based on the > > ZONE_DEVICE facility which is used by persistent memory devices in > > order to create struct pages and

Re: [PATCH v2 4/4] xen: add helpers to allocate unpopulated memory

On Fri, Jul 24, 2020 at 12:36:33PM -0400, Boris Ostrovsky wrote: > On 7/24/20 10:34 AM, David Hildenbrand wrote: > > CCing Dan > > > > On 24.07.20 14:42, Roger Pau Monne wrote: > >> + > >> +#include > >> +#include > >> +#include > >> +#include > >> +#include > >> +#include > >> + > >>

Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy helper DRM driver

On Wed, Apr 18, 2018 at 09:38:39AM +0300, Oleksandr Andrushchenko wrote: > On 04/17/2018 11:57 PM, Dongwon Kim wrote: > > On Tue, Apr 17, 2018 at 09:59:28AM +0200, Daniel Vetter wrote: > > > On Mon, Apr 16, 2018 at 12:29:05PM -0700, Dongwon Kim wrote: > 3.2 Backend exports dma-buf to xen-front >

Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy helper DRM driver

On Wed, Apr 18, 2018 at 01:39:35PM +0300, Oleksandr Andrushchenko wrote: > On 04/18/2018 01:18 PM, Paul Durrant wrote: > > > -Original Message- > > > From: Xen-devel [mailto:xen-devel-boun...@lists.xenproject.org] On Behalf > > > Of Roger Pau Monné &

Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy helper DRM driver

On Wed, Apr 18, 2018 at 11:01:12AM +0300, Oleksandr Andrushchenko wrote: > On 04/18/2018 10:35 AM, Roger Pau Monné wrote: > > On Wed, Apr 18, 2018 at 09:38:39AM +0300, Oleksandr Andrushchenko wrote: > > > On 04/17/2018 11:57 PM, Dongwon Kim wrote: > > > > On Tue, Ap

Re: [Xen-devel] [RFC PATCH v2 2/9] hyper_dmabuf: architecture specification and reference guide

On Tue, Feb 13, 2018 at 05:50:01PM -0800, Dongwon Kim wrote: > Reference document for hyper_DMABUF driver > > Documentation/hyper-dmabuf-sharing.txt This should likely be patch 1 in order for reviewers to have the appropriate context. > > Signed-off-by: Dongwon Kim >

Re: [Xen-devel] [PATCH 1/9] drm/xen-front: Introduce Xen para-virtualized frontend driver

On Wed, Feb 21, 2018 at 10:03:34AM +0200, Oleksandr Andrushchenko wrote: > From: Oleksandr Andrushchenko > > Introduce skeleton of the para-virtualized Xen display > frontend driver. This patch only adds required > essential stubs. > > Signed-off-by: Oleksandr

Re: [Xen-devel] [PATCH 1/9] drm/xen-front: Introduce Xen para-virtualized frontend driver

On Wed, Feb 21, 2018 at 11:42:23AM +0200, Oleksandr Andrushchenko wrote: > On 02/21/2018 11:17 AM, Roger Pau Monné wrote: > > On Wed, Feb 21, 2018 at 10:03:34AM +0200, Oleksandr Andrushchenko wrote: > > > --- /dev/null > > > +++ b/drivers/gpu/drm/xen/xen_drm_

Re: [PATCH v2 15/21] xen-blkfront: Make use of the new sg_map helper function

og...@deltatee.com> > Cc: Boris Ostrovsky <boris.ostrov...@oracle.com> > Cc: Juergen Gross <jgr...@suse.com> > Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com> > Cc: "Roger Pau Monné" <roger@citrix.com> > --- > drivers/block/xen-bl