Thread (13 messages) 13 messages, 3 authors, 2023-01-25
STALE1249d LANDED: 3 (3M)
Revisions (3)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 current

[PATCH v3 08/10] iommu/intel: Use GFP_KERNEL in sleepable contexts

From: Jason Gunthorpe <jgg@nvidia.com>
Date: 2023-01-23 20:37:22
Also in: ath11k, dri-devel, kvm, linux-arm-kernel, linux-arm-msm, linux-iommu, linux-media, linux-rdma, linux-remoteproc, linux-s390, linux-tegra, linux-wireless, nouveau
Subsystem: intel iommu (vt-d), iommu subsystem, the rest · Maintainers: David Woodhouse, Lu Baolu, Joerg Roedel, Will Deacon, Linus Torvalds

These contexts are sleepable, so use the proper annotation. The GFP_ATOMIC
was added mechanically in the prior patches.

Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
 drivers/iommu/intel/iommu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index e95f7703ce7b83..a1a66798e1f06c 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -2372,7 +2372,7 @@ static int iommu_domain_identity_map(struct dmar_domain *domain,
 
 	return __domain_mapping(domain, first_vpfn,
 				first_vpfn, last_vpfn - first_vpfn + 1,
-				DMA_PTE_READ|DMA_PTE_WRITE, GFP_ATOMIC);
+				DMA_PTE_READ|DMA_PTE_WRITE, GFP_KERNEL);
 }
 
 static int md_domain_init(struct dmar_domain *domain, int guest_width);
@@ -2680,7 +2680,7 @@ static int copy_context_table(struct intel_iommu *iommu,
 			if (!old_ce)
 				goto out;
 
-			new_ce = alloc_pgtable_page(iommu->node, GFP_ATOMIC);
+			new_ce = alloc_pgtable_page(iommu->node, GFP_KERNEL);
 			if (!new_ce)
 				goto out_unmap;
 
-- 
2.39.0
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