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Date:	Thu, 10 Jul 2014 15:25:43 +0200
From:	Joerg Roedel <>
Cc:, Joerg Roedel <>
Subject: [PATCH 2/9] iommu/amd: Don't call mmu_notifer_unregister in __unbind_pasid

From: Joerg Roedel <>

This function is called only in the mn_release() path, so
there is no need to unregister the mmu_notifer here.

Signed-off-by: Joerg Roedel <>
Tested-by: Oded Gabbay <>
 drivers/iommu/amd_iommu_v2.c |    2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 0e29f6f..1fdd22c 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -313,8 +313,6 @@ static void __unbind_pasid(struct pasid_state *pasid_state)
 	/* Make sure no more pending faults are in the queue */
-	mmu_notifier_unregister(&pasid_state->mn, pasid_state->mm);
 	put_pasid_state(pasid_state); /* Reference taken in bind() function */

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