iommu/vt-d: Avoid GFP_ATOMIC where it is not needed
diff mbox series

Message ID
State New, archived
Headers show
  • iommu/vt-d: Avoid GFP_ATOMIC where it is not needed
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Commit Message

Christophe JAILLET Oct. 30, 2020, 6:26 p.m. UTC
There is no reason to use GFP_ATOMIC in a 'suspend' function.
Use GFP_KERNEL instead to give more opportunities to allocate the
requested memory.

Signed-off-by: Christophe JAILLET <>
Should GFP_ATOMIC be mandatory here, a comment explaining why would be great
 drivers/iommu/intel/iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff mbox series

diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index f8177c59d229..cd2a82ed78b5 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -4114,7 +4114,7 @@  static int iommu_suspend(void)
 	for_each_active_iommu(iommu, drhd) {
 		iommu->iommu_state = kcalloc(MAX_SR_DMAR_REGS, sizeof(u32),
-						 GFP_ATOMIC);
+					     GFP_KERNEL);
 		if (!iommu->iommu_state)
 			goto nomem;