linux-kernel - [PATCH 10/34] x86/amd-iommu: Reimplement amd_iommu_flush_all

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Message-ID: <1259330145-14865-11-git-send-email-joerg.roedel@amd.com>
Date:	Fri, 27 Nov 2009 14:55:21 +0100
From:	Joerg Roedel <joerg.roedel@....com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 10/34] x86/amd-iommu: Reimplement amd_iommu_flush_all_domains()

This patch reimplementes the amd_iommu_flush_all_domains
function to use the global protection domain list instead
of flushing every domain on every IOMMU.

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 arch/x86/kernel/amd_iommu.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 0c4319b..5141f56 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -530,10 +530,12 @@ static void flush_all_domains_on_iommu(struct amd_iommu *iommu)
 
 void amd_iommu_flush_all_domains(void)
 {
-	struct amd_iommu *iommu;
+	struct protection_domain *domain;
 
-	for_each_iommu(iommu)
-		flush_all_domains_on_iommu(iommu);
+	list_for_each_entry(domain, &amd_iommu_pd_list, list) {
+		iommu_flush_tlb_pde(domain);
+		iommu_flush_complete(domain);
+	}
 }
 
 static void flush_all_devices_for_iommu(struct amd_iommu *iommu)
-- 
1.6.5.3


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