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| author |  Lu Baolu <baolu.lu@linux.intel.com>
| 2022-10-19 08:44:44 +0800 |
|---|---|---|
| committer |  Joerg Roedel <jroedel@suse.de>
| 2022-10-21 10:49:32 +0200 |
| commit | 0251d0107cfb0bb5ab2d3f97710487b9522db020 (patch) | |
| tree | d009578f582aed73a50f4083957dfb747f9287e1 /drivers/iommu/iommu.c | |
| parent | Linux 6.1-rc1 (diff) | |
| download | linux-0251d0107cfb0bb5ab2d3f97710487b9522db020.tar.gz linux-0251d0107cfb0bb5ab2d3f97710487b9522db020.tar.bz2 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/iommu.c')
| -rw-r--r-- | drivers/iommu/iommu.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 4893c2429ca5..65a3b3d886dc 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -504,7 +504,7 @@ static int iommu_insert_resv_region(struct iommu_resv_region *new, LIST_HEAD(stack); nr = iommu_alloc_resv_region(new->start, new->length, - new->prot, new->type); + new->prot, new->type, GFP_KERNEL); if (!nr) return -ENOMEM; @@ -2579,11 +2579,12 @@ EXPORT_SYMBOL(iommu_put_resv_regions); struct iommu_resv_region *iommu_alloc_resv_region(phys_addr_t start, size_t length, int prot, - enum iommu_resv_type type) + enum iommu_resv_type type, + gfp_t gfp) { struct iommu_resv_region *region; - region = kzalloc(sizeof(*region), GFP_KERNEL); + region = kzalloc(sizeof(*region), gfp); if (!region) return NULL; |