search for: dma_shared_buffer

From: Jason Gunthorpe <jgg at mellanox.com> DMA_SHARED_BUFFER can not be enabled by the user (it represents a library set in the kernel). The kconfig convention is to use select for such symbols so they are turned on implicitly when the user enables a kconfig that needs them. Otherwise the XEN_GNTDEV_DMABUF kconfig is overly difficult to enable. Fixes: 932d...

On Mon, Oct 28, 2019 at 05:10:25PM -0300, Jason Gunthorpe wrote: > From: Jason Gunthorpe <jgg at mellanox.com> > > DMA_SHARED_BUFFER can not be enabled by the user (it represents a library > set in the kernel). The kconfig convention is to use select for such > symbols so they are turned on implicitly when the user enables a kconfig > that needs them. > > Otherwise the XEN_GNTDEV_DMABUF kconfig is overly difficul...

On 01.11.19 19:26, Jason Gunthorpe wrote: > On Mon, Oct 28, 2019 at 05:10:25PM -0300, Jason Gunthorpe wrote: >> From: Jason Gunthorpe <jgg at mellanox.com> >> >> DMA_SHARED_BUFFER can not be enabled by the user (it represents a library >> set in the kernel). The kconfig convention is to use select for such >> symbols so they are turned on implicitly when the user enables a kconfig >> that needs them. >> >> Otherwise the XEN_GNTDEV_DMABUF kconfig...

...that can be used by virtio > drivers to share exported objects. A virtio dma-buf can be queried by > virtio drivers to obtain the UUID which identifies the underlying > exported object. > > Signed-off-by: David Stevens <stevensd at chromium.org> This makes VIRTIO dependent on DMA_SHARED_BUFFER. That means "select DMA_SHARED_BUFFER" will have to be added to "config VIRTIO". Guenter > --- > drivers/virtio/Makefile | 2 +- > drivers/virtio/virtio.c | 6 +++ > drivers/virtio/virtio_dma_buf.c | 85 +++++++++++++++++++++++++++++++++ > inc...

...m_mirror > mm/hmm: define the pre-processor related parts of hmm.h even if > disabled > RDMA/odp: Use mmu_range_notifier_insert() > RDMA/hfi1: Use mmu_range_notifier_inset for user_exp_rcv > drm/radeon: use mmu_range_notifier_insert > xen/gntdev: Use select for DMA_SHARED_BUFFER > xen/gntdev: use mmu_range_notifier_insert > nouveau: use mmu_notifier directly for invalidate_range_start > nouveau: use mmu_range_notifier instead of hmm_mirror > drm/amdgpu: Call find_vma under mmap_sem > drm/amdgpu: Use mmu_range_insert instead of hmm_mirror >...

...ertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 315cbdf61979..93c732a8f870 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -12,7 +12,6 @@ menuconfig DRM select HDMI select FB_CMDLINE select I2C - select I2C_ALGOBIT select DMA_SHARED_BUFFER select SYNC_FILE # gallium uses SYS_kcmp for os_same_file_description() to de-duplicate diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig b/drivers/gpu/drm/amd/amdgpu/Kconfig index 5fcd510f1abb..5341b6b242c3 100644 --- a/drivers/gpu/drm/amd/amdgpu/Kconfig +++ b/drivers/gpu/drm/amd/amdgpu/Kconfig @...

...t1x/Kconfig b/drivers/gpu/host1x/Kconfig index 91916326957f..e41032ebf16d 100644 --- a/drivers/gpu/host1x/Kconfig +++ b/drivers/gpu/host1x/Kconfig @@ -1,6 +1,7 @@ config TEGRA_HOST1X tristate "NVIDIA Tegra host1x driver" depends on ARCH_TEGRA || (ARM && COMPILE_TEST) + select DMA_SHARED_BUFFER select IOMMU_IOVA if IOMMU_SUPPORT help Driver for the NVIDIA Tegra host1x hardware. diff --git a/drivers/gpu/host1x/Makefile b/drivers/gpu/host1x/Makefile index b92016ce09b7..ae3a6edf74b4 100644 --- a/drivers/gpu/host1x/Makefile +++ b/drivers/gpu/host1x/Makefile @@ -9,6 +9,7 @@ host1x-y =...

From: Thierry Reding <treding at nvidia.com> This set of patches adds support for fences to Tegra DRM and complements the fence FD support for Nouveau. Technically this isn't necessary for a fence-based synchronization loop with Nouveau because the KMS core takes care of all that, but engines behind host1x can use the IOCTL extensions provided here to emit fence FDs that in turn can be

...with a mmu_range_notifier or hmm_mirror mm/hmm: define the pre-processor related parts of hmm.h even if disabled RDMA/odp: Use mmu_range_notifier_insert() RDMA/hfi1: Use mmu_range_notifier_inset for user_exp_rcv drm/radeon: use mmu_range_notifier_insert xen/gntdev: Use select for DMA_SHARED_BUFFER xen/gntdev: use mmu_range_notifier_insert nouveau: use mmu_notifier directly for invalidate_range_start nouveau: use mmu_range_notifier instead of hmm_mirror drm/amdgpu: Call find_vma under mmap_sem drm/amdgpu: Use mmu_range_insert instead of hmm_mirror drm/amdgpu: Use mmu_range_notifie...