Re: [PATCH iommufd v3 4/9] iommufd: Convert to msi_device_has_isolated_msi()

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On 1/6/2023 3:33 AM, Jason Gunthorpe wrote:
Trivially use the new API.

Tested-by: Matthew Rosato<mjrosato@xxxxxxxxxxxxx>
Reviewed-by: Kevin Tian<kevin.tian@xxxxxxxxx>
Signed-off-by: Jason Gunthorpe<jgg@xxxxxxxxxx>
---
  drivers/iommu/iommufd/device.c | 4 +---
  1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/iommu/iommufd/device.c b/drivers/iommu/iommufd/device.c
index d81f93a321afcb..9f3b9674d72e81 100644
--- a/drivers/iommu/iommufd/device.c
+++ b/drivers/iommu/iommufd/device.c
@@ -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;

Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>

--

Best regards,

baolu




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