From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 9 Jun 2011 09:52:27 +0000 (+0200)
Subject: x86/amd-iommu: Remove redundant device_flush_dte() calls
X-Git-Tag: firefly_0821_release~3680^2~4995^2^2~2^2~8
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=39c555460cbc6d35656878c89d4664fbd6c81551;p=firefly-linux-kernel-4.4.55.git

x86/amd-iommu: Remove redundant device_flush_dte() calls

Remove these function calls from places where the function
has already been called by another function.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---

diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 7c3a95e54ec5..cc6f6da630e8 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -1798,7 +1798,6 @@ static int device_change_notifier(struct notifier_block *nb,
 		goto out;
 	}
 
-	device_flush_dte(dev);
 	iommu_completion_wait(iommu);
 
 out:
@@ -2605,7 +2604,6 @@ static void amd_iommu_detach_device(struct iommu_domain *dom,
 	if (!iommu)
 		return;
 
-	device_flush_dte(dev);
 	iommu_completion_wait(iommu);
 }