diff options
| author | Jon Derrick <jonathan.derrick@intel.com> | 2020-01-21 16:37:50 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2020-01-24 23:58:59 +0300 |
| commit | 962e329d888cfcb923d39af4e14fd616467de167 (patch) | |
| tree | 10cf32d96715d665569670a6612c255398cbc7e3 /drivers/pci/controller/Kconfig | |
| parent | e3560ee4cfb29e232ea99ff9adfaa8ac5b414345 (diff) | |
| download | linux-962e329d888cfcb923d39af4e14fd616467de167.tar.xz | |
PCI: vmd: Remove dma_map_ops overrides
Devices on the VMD domain use the VMD endpoint's requester ID and have been
relying on the VMD endpoint's DMA operations. The problem with this was
that VMD domain devices would use the VMD endpoint's attributes when doing
DMA and IOMMU mapping. We can be smarter about this by only using the VMD
endpoint when mapping and providing the correct child device's attributes
during DMA operations.
Remove the dma_map_ops redirect.
Link: https://lore.kernel.org/r/1579613871-301529-7-git-send-email-jonathan.derrick@intel.com
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Diffstat (limited to 'drivers/pci/controller/Kconfig')
| -rw-r--r-- | drivers/pci/controller/Kconfig | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig index c77069c8ee5d..55671429154b 100644 --- a/drivers/pci/controller/Kconfig +++ b/drivers/pci/controller/Kconfig @@ -239,7 +239,6 @@ config PCIE_TANGO_SMP8759 config VMD depends on PCI_MSI && X86_64 && SRCU - select X86_DEV_DMA_OPS tristate "Intel Volume Management Device Driver" ---help--- Adds support for the Intel Volume Management Device (VMD). VMD is a |