This is a note to let you know that I've just added the patch titled
iommu/amd: Finish TLB flush in amd_iommu_unmap()
to the 4.9-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-finish-tlb-flush-in-amd_iommu_unmap.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ce76353f169a6471542d999baf3d29b121dce9c0 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <jroedel@xxxxxxx>
Date: Fri, 13 Oct 2017 14:32:37 +0200
Subject: iommu/amd: Finish TLB flush in amd_iommu_unmap()
From: Joerg Roedel <jroedel@xxxxxxx>
commit ce76353f169a6471542d999baf3d29b121dce9c0 upstream.
The function only sends the flush command to the IOMMU(s),
but does not wait for its completion when it returns. Fix
that.
Fixes: 601367d76bd1 ('x86/amd-iommu: Remove iommu_flush_domain function')
Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/iommu/amd_iommu.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3120,6 +3120,7 @@ static size_t amd_iommu_unmap(struct iom
mutex_unlock(&domain->api_lock);
domain_flush_tlb_pde(domain);
+ domain_flush_complete(domain);
return unmap_size;
}
Patches currently in stable-queue which might be from jroedel@xxxxxxx are
queue-4.9/iommu-amd-finish-tlb-flush-in-amd_iommu_unmap.patch