linux-kernel - [PATCH 3/9] amd-iommu: drop pointless iommu-loop in msi setup code

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Message-ID: <1242994540-28799-4-git-send-email-joerg.roedel@amd.com>
Date:	Fri, 22 May 2009 14:15:34 +0200
From:	Joerg Roedel <joerg.roedel@....com>
To:	iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
CC:	Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 3/9] amd-iommu: drop pointless iommu-loop in msi setup code

Impact: cleanup

It is not necessary to loop again over all IOMMUs in this code. So drop
the loop.

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 arch/x86/kernel/amd_iommu_init.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 74f4f1f..cc99f60 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -826,13 +826,6 @@ out_free:
 static int __init iommu_setup_msi(struct amd_iommu *iommu)
 {
 	int r;
-	struct amd_iommu *curr;
-
-	for_each_iommu(curr) {
-		if (curr->dev == iommu->dev)
-			curr->int_enabled = true;
-	}
-
 
 	if (pci_enable_msi(iommu->dev))
 		return 1;
@@ -847,6 +840,7 @@ static int __init iommu_setup_msi(struct amd_iommu *iommu)
 		return 1;
 	}
 
+	iommu->int_enabled = true;
 	iommu_feature_enable(iommu, CONTROL_EVT_INT_EN);
 
 	return 0;
-- 
1.6.3.1


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