Commit 25fc417f authored by Jason Gunthorpe's avatar Jason Gunthorpe
Browse files

iommufd: Convert to msi_device_has_isolated_msi() 

Trivially use the new API.

Link: https://lore.kernel.org/r/4-v3-3313bb5dd3a3+10f11-secure_msi_jgg@nvidia.com


Tested-by: default avatarMatthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: default avatarKevin Tian <kevin.tian@intel.com>
Reviewed-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 6b1a7a00

drivers/iommu/iommufd/device.c

+1 −3
Original line number Diff line number Diff line
@@ -4,7 +4,6 @@ 
#include <linux/iommufd.h>

#include <linux/slab.h>

#include <linux/iommu.h>

#include <linux/irqdomain.h>



#include "io_pagetable.h"

#include "iommufd_private.h"
@@ -169,8 +168,7 @@ static int iommufd_device_setup_msi(struct iommufd_device *idev, 
	 * operation from the device (eg a simple DMA) cannot trigger an

	 * interrupt outside this iommufd context.

	 */

	if (!device_iommu_capable(idev->dev, IOMMU_CAP_INTR_REMAP) &&

	    !irq_domain_check_msi_remap()) {

	if (!iommu_group_has_isolated_msi(idev->group)) {

		if (!allow_unsafe_interrupts)

			return -EPERM;