[PATCH v5 5/7] iommu/sva: Use GFP_KERNEL for pasid allocation

From: Jacob Pan
Date: Thu Mar 09 2023 - 17:18:37 EST


We’re not using spinlock-protected IOASID allocation anymore, there’s
no need for GFP_ATOMIC.

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
---
drivers/iommu/iommu-sva.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/iommu-sva.c b/drivers/iommu/iommu-sva.c
index b75711bdbe97..bd6fb2a6df23 100644
--- a/drivers/iommu/iommu-sva.c
+++ b/drivers/iommu/iommu-sva.c
@@ -27,8 +27,8 @@ static int iommu_sva_alloc_pasid(struct mm_struct *mm, ioasid_t min, ioasid_t ma
goto out;
}

- ret = ida_alloc_range(&iommu_global_pasid_ida, min, max, GFP_ATOMIC);
- if (ret < 0)
+ ret = ida_alloc_range(&iommu_global_pasid_ida, min, max, GFP_KERNEL);
+ if (ret < min)
goto out;
mm->pasid = ret;
ret = 0;
--
2.25.1