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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2022-10-19 02:44:44 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2022-10-21 10:49:32 +0200 |
| commit | 0251d0107cfb0bb5ab2d3f97710487b9522db020 (patch) | |
| tree | d009578f582aed73a50f4083957dfb747f9287e1 /drivers/iommu/virtio-iommu.c | |
| parent | Linux 6.1-rc1 (diff) | |
| download | linux-0251d0107cfb0bb5ab2d3f97710487b9522db020.tar.xz linux-0251d0107cfb0bb5ab2d3f97710487b9522db020.zip | |
iommu: Add gfp parameter to iommu_alloc_resv_region
Add gfp parameter to iommu_alloc_resv_region() for the callers to specify
the memory allocation behavior. Thus iommu_alloc_resv_region() could also
be available in critical contexts.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Tested-by: Alex Williamson <alex.williamson@redhat.com>
Link: https://lore.kernel.org/r/20220927053109.4053662-2-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/virtio-iommu.c')
| -rw-r--r-- | drivers/iommu/virtio-iommu.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c index b7c22802f57c..8b1b5c270e50 100644 --- a/drivers/iommu/virtio-iommu.c +++ b/drivers/iommu/virtio-iommu.c @@ -490,11 +490,13 @@ static int viommu_add_resv_mem(struct viommu_endpoint *vdev, fallthrough; case VIRTIO_IOMMU_RESV_MEM_T_RESERVED: region = iommu_alloc_resv_region(start, size, 0, - IOMMU_RESV_RESERVED); + IOMMU_RESV_RESERVED, + GFP_KERNEL); break; case VIRTIO_IOMMU_RESV_MEM_T_MSI: region = iommu_alloc_resv_region(start, size, prot, - IOMMU_RESV_MSI); + IOMMU_RESV_MSI, + GFP_KERNEL); break; } if (!region) @@ -909,7 +911,8 @@ static void viommu_get_resv_regions(struct device *dev, struct list_head *head) */ if (!msi) { msi = iommu_alloc_resv_region(MSI_IOVA_BASE, MSI_IOVA_LENGTH, - prot, IOMMU_RESV_SW_MSI); + prot, IOMMU_RESV_SW_MSI, + GFP_KERNEL); if (!msi) return; |