On Fri, Nov 29, 2024 at 11:00:24AM +1100, Alistair Popple wrote:
>
> Matthew Brost writes:
>
> [...]
>
> > + * 3) Invalidation driver vfunc.
> > + *
> > + * void driver_invalidation(struct drm_gpusvm *gpusvm,
> > + * struct drm_gpusvm_notifier *notifier,
> > + *
Matthew Brost writes:
[...]
> + * 3) Invalidation driver vfunc.
> + *
> + * void driver_invalidation(struct drm_gpusvm *gpusvm,
> + *struct drm_gpusvm_notifier *notifier,
> + *const struct mmu_notifier_range *mmu_range)
> + * {
> + *
On 10/16/24 6:24 AM, Matthew Brost wrote:
+
+/**
+ * drm_gpusvm_get_devmem_page - Get a reference to a device memory page
+ * @page: Pointer to the page
+ * @zdd: Pointer to the GPU SVM zone device data
+ *
+ * This function associates the given page with the specified GPU SVM zone
+ * device
On Tue, Nov 05, 2024 at 03:48:24PM +0100, Thomas Hellström wrote:
> On Tue, 2024-10-15 at 20:24 -0700, Matthew Brost wrote:
>
>
> Continued review:
>
> > +/**
> > + * drm_gpusvm_migrate_unmap_pages() - Unmap pages previously mapped
> > for GPU SVM migration
> > + * @dev: The device for which the
On Tue, 2024-11-05 at 08:12 -0800, Matthew Brost wrote:
> On Tue, Nov 05, 2024 at 11:22:12AM +0100, Thomas Hellström wrote:
> > On Mon, 2024-11-04 at 15:07 -0800, Matthew Brost wrote:
> > > > We
> > > > have
> > > > https://elixir.bootlin.com/linux/v6.12-rc6/source/include/linux/int
> > > > erval_t
On Tue, Nov 05, 2024 at 11:22:12AM +0100, Thomas Hellström wrote:
> On Mon, 2024-11-04 at 15:07 -0800, Matthew Brost wrote:
> > > We
> > > have
> > > https://elixir.bootlin.com/linux/v6.12-rc6/source/include/linux/int
> > > erval_tree_generic.h#L24
> > >
> > > to relate to. Now GPUVM can't use the
On Tue, 2024-10-15 at 20:24 -0700, Matthew Brost wrote:
Continued review:
> +/**
> + * drm_gpusvm_migrate_unmap_pages() - Unmap pages previously mapped
> for GPU SVM migration
> + * @dev: The device for which the pages were mapped
> + * @dma_addr: Array of DMA addresses corresponding to mapped p
On Mon, 2024-11-04 at 15:07 -0800, Matthew Brost wrote:
> > We
> > have
> > https://elixir.bootlin.com/linux/v6.12-rc6/source/include/linux/int
> > erval_tree_generic.h#L24
> >
> > to relate to. Now GPUVM can't use the generic version since it
> > needs
> > u64 intervals. These trees need unsigned
On Mon, Nov 04, 2024 at 07:59:10PM +0100, Thomas Hellström wrote:
> On Mon, 2024-11-04 at 09:21 -0800, Matthew Brost wrote:
> > On Mon, Nov 04, 2024 at 04:25:38PM +0100, Thomas Hellström wrote:
> > > On Tue, 2024-10-15 at 20:24 -0700, Matthew Brost wrote:
> > >
> > > Continued review.
> > >
> > >
On Thu, Oct 31, 2024 at 07:58:45PM +0100, Thomas Hellström wrote:
> On Tue, 2024-10-15 at 20:24 -0700, Matthew Brost wrote:
> > This patch introduces support for GPU Shared Virtual Memory (SVM) in
> > the
> > Direct Rendering Manager (DRM) subsystem. SVM allows for seamless
> > sharing of memory be
On Mon, 2024-11-04 at 09:21 -0800, Matthew Brost wrote:
> On Mon, Nov 04, 2024 at 04:25:38PM +0100, Thomas Hellström wrote:
> > On Tue, 2024-10-15 at 20:24 -0700, Matthew Brost wrote:
> >
> > Continued review.
> >
> > >
> > > +/**
> > > + * struct drm_gpusvm_zdd - GPU SVM zone device data
> > >
On Mon, Nov 04, 2024 at 04:25:38PM +0100, Thomas Hellström wrote:
> On Tue, 2024-10-15 at 20:24 -0700, Matthew Brost wrote:
>
> Continued review.
>
> >
> > +/**
> > + * struct drm_gpusvm_zdd - GPU SVM zone device data
> > + *
> > + * @refcount: Reference count for the zdd
> > + * @destroy_work:
On Tue, 2024-10-15 at 20:24 -0700, Matthew Brost wrote:
Continued review.
>
> +/**
> + * struct drm_gpusvm_zdd - GPU SVM zone device data
> + *
> + * @refcount: Reference count for the zdd
> + * @destroy_work: Work structure for asynchronous zdd destruction
> + * @devmem_allocation: device memor
On Tue, 2024-10-15 at 20:24 -0700, Matthew Brost wrote:
> This patch introduces support for GPU Shared Virtual Memory (SVM) in
> the
> Direct Rendering Manager (DRM) subsystem. SVM allows for seamless
> sharing of memory between the CPU and GPU, enhancing performance and
> flexibility in GPU comput
This patch introduces support for GPU Shared Virtual Memory (SVM) in the
Direct Rendering Manager (DRM) subsystem. SVM allows for seamless
sharing of memory between the CPU and GPU, enhancing performance and
flexibility in GPU computing tasks.
The patch adds the necessary infrastructure for SVM, i
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