From: Joerg Roedel <jroe...@suse.de>
The update_domain() function is expected to also inform the hardware
about domain changes. This needs a COMPLETION_WAIT command to be sent
to all IOMMUs which use the domain.
Tested-by: Qian Cai <c...@lca.pw>
Signed-off-by: Joerg Roedel <jroe...@suse.de>
---
drivers/iommu/amd_iommu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 68da484a69dd..d2499c86d395 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2321,6 +2321,7 @@ static void update_domain(struct protection_domain
*domain)
domain_flush_devices(domain);
domain_flush_tlb_pde(domain);
+ domain_flush_complete(domain);
}
int __init amd_iommu_init_api(void)
--
2.17.1
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