On Wed, Feb 23, 2022 at 12:00:56PM -0600, Bjorn Helgaas wrote:
> > static int pci_dma_configure(struct device *dev)
> > {
> > + struct pci_driver *driver = to_pci_driver(dev->driver);
> > struct device *bridge;
> > int ret = 0;
> >
> > + if (!driver->no_kernel_api_dma) {
>
> Ugh.
In subject,
s/dma/DMA/ to match the other patches
On Tue, Jan 04, 2022 at 09:56:37AM +0800, Lu Baolu wrote:
> Multiple PCI devices may be placed in the same IOMMU group because
> they cannot be isolated from each other. These devices must either be
> entirely under kernel control or userspace
On 2/14/22 9:43 PM, Jason Gunthorpe wrote:
On Mon, Feb 14, 2022 at 02:39:18PM +0100, Greg Kroah-Hartman wrote:
A driver that sets this flag can still decide to enable the dma API on
its own. eg tegra drivers do this.
So you are just forcing the driver to manage this all on their own, so
how
On Mon, Feb 14, 2022 at 02:39:18PM +0100, Greg Kroah-Hartman wrote:
> > A driver that sets this flag can still decide to enable the dma API on
> > its own. eg tegra drivers do this.
>
> So you are just forcing the driver to manage this all on their own, so
> how about, "driver_managed_dma", or
On Mon, Feb 14, 2022 at 09:11:17AM -0400, Jason Gunthorpe wrote:
> On Mon, Feb 14, 2022 at 01:51:06PM +0100, Greg Kroah-Hartman wrote:
> > On Mon, Feb 14, 2022 at 08:38:42AM -0400, Jason Gunthorpe wrote:
> > > On Mon, Feb 14, 2022 at 11:03:42AM +0100, Greg Kroah-Hartman wrote:
> > > > On Tue, Jan
On Mon, Feb 14, 2022 at 01:51:06PM +0100, Greg Kroah-Hartman wrote:
> On Mon, Feb 14, 2022 at 08:38:42AM -0400, Jason Gunthorpe wrote:
> > On Mon, Feb 14, 2022 at 11:03:42AM +0100, Greg Kroah-Hartman wrote:
> > > On Tue, Jan 04, 2022 at 09:56:37AM +0800, Lu Baolu wrote:
> > > > Multiple PCI
On Mon, Feb 14, 2022 at 08:38:42AM -0400, Jason Gunthorpe wrote:
> On Mon, Feb 14, 2022 at 11:03:42AM +0100, Greg Kroah-Hartman wrote:
> > On Tue, Jan 04, 2022 at 09:56:37AM +0800, Lu Baolu wrote:
> > > Multiple PCI devices may be placed in the same IOMMU group because
> > > they cannot be
On Mon, Feb 14, 2022 at 11:03:42AM +0100, Greg Kroah-Hartman wrote:
> On Tue, Jan 04, 2022 at 09:56:37AM +0800, Lu Baolu wrote:
> > Multiple PCI devices may be placed in the same IOMMU group because
> > they cannot be isolated from each other. These devices must either be
> > entirely under kernel
On Tue, Jan 04, 2022 at 09:56:37AM +0800, Lu Baolu wrote:
> Multiple PCI devices may be placed in the same IOMMU group because
> they cannot be isolated from each other. These devices must either be
> entirely under kernel control or userspace control, never a mixture. This
> checks and sets DMA
Multiple PCI devices may be placed in the same IOMMU group because
they cannot be isolated from each other. These devices must either be
entirely under kernel control or userspace control, never a mixture. This
checks and sets DMA ownership during driver binding, and release the
ownership during
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