This is a note to let you know that I've just added the patch titled
iommu/amd: Allocate the page table root using GFP_KERNEL
to the 6.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
iommu-amd-allocate-the-page-table-root-using-gfp_ker.patch
and it can be found in the queue-6.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 0fb8d5dfee2c0af002bfef0c861cd8308bf77175
Author: Jason Gunthorpe <jgg@xxxxxxxx>
Date: Thu Aug 29 21:06:11 2024 -0300
iommu/amd: Allocate the page table root using GFP_KERNEL
[ Upstream commit b0a6c883bcd42eeb0850135e529b34b64d57673c ]
Domain allocation is always done under a sleepable context, the v1 path
and other drivers use GFP_KERNEL already. Fix the v2 path to also use
GFP_KERNEL.
Fixes: 0d571dcbe7c6 ("iommu/amd: Allocate page table using numa locality info")
Reviewed-by: Vasant Hegde <vasant.hegde@xxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Link: https://lore.kernel.org/r/2-v2-831cdc4d00f3+1a315-amd_iopgtbl_jgg@xxxxxxxxxx
Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/iommu/amd/io_pgtable_v2.c b/drivers/iommu/amd/io_pgtable_v2.c
index 78ac37c5ccc1e..acfe79b326293 100644
--- a/drivers/iommu/amd/io_pgtable_v2.c
+++ b/drivers/iommu/amd/io_pgtable_v2.c
@@ -362,7 +362,7 @@ static struct io_pgtable *v2_alloc_pgtable(struct io_pgtable_cfg *cfg, void *coo
struct protection_domain *pdom = (struct protection_domain *)cookie;
int ias = IOMMU_IN_ADDR_BIT_SIZE;
- pgtable->pgd = iommu_alloc_page_node(pdom->nid, GFP_ATOMIC);
+ pgtable->pgd = iommu_alloc_page_node(pdom->nid, GFP_KERNEL);
if (!pgtable->pgd)
return NULL;
