On Mon, Mar 02, 2020 at 09:15:21PM +0900, David Stevens wrote:
> This change adds a new dma-buf operation that allows dma-bufs to be used
> by virtio drivers to share exported objects. The new operation allows
> the importing driver to query the exporting driver for the UUID which
> identifies the
On Tue, Mar 03, 2020 at 03:12:52PM +0100, Halil Pasic wrote:
> On Thu, 13 Feb 2020 13:37:26 +0100
> Halil Pasic wrote:
>
> > Two patches are handling new edge cases introduced by doing DMA mappings
> > (which can fail) in virtio core.
> >
> > I stumbled upon this while stress testing I/O for
Hi Michael, Joerg,
On 3/3/20 5:09 PM, Michael S. Tsirkin wrote:
> On Tue, Mar 03, 2020 at 04:53:19PM +0100, Joerg Roedel wrote:
>> On Tue, Mar 03, 2020 at 09:00:05AM -0500, Michael S. Tsirkin wrote:
>>> Not necessarily. E.g. some power systems have neither.
>>> There are also systems looking to
Hi Joerg,
On Fri, Feb 28, 2020 at 04:08:06PM +0100, Joerg Roedel wrote:
> here is a patch-set to rename iommu_param to dev_iommu and
> establish it as a struct for generic per-device iommu-data.
> Also move the iommu_fwspec pointer from struct device into
> dev_iommu to have less iommu-related
On Tue, 3 Mar 2020 09:49:21 -0500
"Michael S. Tsirkin" wrote:
> On Tue, Mar 03, 2020 at 03:12:52PM +0100, Halil Pasic wrote:
> > On Thu, 13 Feb 2020 13:37:26 +0100
> > Halil Pasic wrote:
> >
> > > Two patches are handling new edge cases introduced by doing DMA mappings
> > > (which can fail)
On 2/25/20 08:17, Jani Nikula wrote:
> On Tue, 25 Feb 2020, "Gustavo A. R. Silva" wrote:
>> The current codebase makes use of the zero-length array language
>> extension to the C90 standard, but the preferred mechanism to declare
>> variable-length types such as these ones is a flexible array
Hi Eric,
On Tue, Mar 03, 2020 at 11:19:20AM +0100, Auger Eric wrote:
> Michael has pushed this solution (putting the "configuration in the PCI
> config space"), I think for those main reasons:
> - ACPI may not be supported on some archs/hyps
But on those there is device-tree, right?
> - the
On Tue, Mar 3, 2020 at 1:55 AM Peter Zijlstra wrote:
>
> On Mon, Mar 02, 2020 at 09:02:15PM -0800, Kees Cook wrote:
> > On Thu, Feb 27, 2020 at 04:00:45PM -0800, Thomas Garnier wrote:
> > > Minor changes based on feedback and rebase from v10.
> > >
> > > Splitting the previous serie in two. This
On Tue, Mar 03, 2020 at 04:53:19PM +0100, Joerg Roedel wrote:
> On Tue, Mar 03, 2020 at 09:00:05AM -0500, Michael S. Tsirkin wrote:
> > Not necessarily. E.g. some power systems have neither.
> > There are also systems looking to bypass ACPI e.g. for boot speed.
>
> If there is no firmware layer
On Mon, Mar 02, 2020 at 05:16:12PM +0100, Joerg Roedel wrote:
> On Fri, Feb 28, 2020 at 06:25:36PM +0100, Jean-Philippe Brucker wrote:
> > This solution isn't elegant nor foolproof, but is the best we can do at
> > the moment and works with existing virtio-iommu implementations. It also
> >
On Thu, 13 Feb 2020 13:37:26 +0100
Halil Pasic wrote:
> Two patches are handling new edge cases introduced by doing DMA mappings
> (which can fail) in virtio core.
>
> I stumbled upon this while stress testing I/O for Protected Virtual
> Machines. I deliberately chose a tiny swiotlb size and
On Tue, Mar 03, 2020 at 09:00:05AM -0500, Michael S. Tsirkin wrote:
> Not necessarily. E.g. some power systems have neither.
> There are also systems looking to bypass ACPI e.g. for boot speed.
If there is no firmware layer between the hardware and the OS the
necessary information the OS needs to
On Tue, Mar 03, 2020 at 02:01:56PM +0100, Joerg Roedel wrote:
> Hi Eric,
>
> On Tue, Mar 03, 2020 at 11:19:20AM +0100, Auger Eric wrote:
> > Michael has pushed this solution (putting the "configuration in the PCI
> > config space"), I think for those main reasons:
> > - ACPI may not be supported
On Tue, Mar 03, 2020 at 01:01:26PM -0800, Kristen Carlson Accardi wrote:
> On Tue, 2020-03-03 at 07:43 -0800, Thomas Garnier wrote:
> > On Tue, Mar 3, 2020 at 1:55 AM Peter Zijlstra
> > wrote:
> > > On Mon, Mar 02, 2020 at 09:02:15PM -0800, Kees Cook wrote:
> > > > On Thu, Feb 27, 2020 at
On Mon, Mar 2, 2020 at 10:24 PM Gerd Hoffmann wrote:
>
> On Mon, Mar 02, 2020 at 02:14:02PM -0800, Alistair Francis wrote:
> > On Fri, Feb 28, 2020 at 1:57 AM Gerd Hoffmann wrote:
> > >
> > > On Thu, Feb 27, 2020 at 01:04:54PM -0800, Alistair Francis wrote:
> > > > The QEMU model for the Bochs
linux/commits/David-Hildenbrand/virtio-mem-paravirtualized-memory/20200303-020852
> base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
> linux-next
> config: x86_64-randconfig-s1-20200303 (attached as .config)
> compiler: gcc-5 (Ubuntu 5.5.0-12ubuntu1) 5.5.0 20171
On Mon, Mar 02, 2020 at 09:02:15PM -0800, Kees Cook wrote:
> On Thu, Feb 27, 2020 at 04:00:45PM -0800, Thomas Garnier wrote:
> > Minor changes based on feedback and rebase from v10.
> >
> > Splitting the previous serie in two. This part contains assembly code
> > changes required for PIE but
Hi Joerg,
On 3/2/20 5:16 PM, Joerg Roedel wrote:
> On Fri, Feb 28, 2020 at 06:25:36PM +0100, Jean-Philippe Brucker wrote:
>> This solution isn't elegant nor foolproof, but is the best we can do at
>> the moment and works with existing virtio-iommu implementations. It also
>> enables an IOMMU for
On Tue, Mar 03, 2020 at 08:49:34AM +0100, Gerd Hoffmann wrote:
> > @@ -575,9 +574,12 @@ static int cirrus_pci_probe(struct pci_dev *pdev,
> >
> > dev = >dev;
> > ret = drm_dev_init(dev, _driver, >dev);
> > - if (ret)
> > - goto err_free_cirrus;
> > + if (ret) {
> > +
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