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authorJoerg Roedel <joerg.roedel@amd.com>2009-11-20 16:48:58 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2009-11-27 14:16:28 +0100
commite3306664eb307ae4cc93211cd9f12d0dbd49de65 (patch)
tree0e4d41b4303a57b066c451d8dbc1c4577b1533d8 /arch/x86/kernel
parentx86/amd-iommu: Implement protection domain list (diff)
downloadlinux-dev-e3306664eb307ae4cc93211cd9f12d0dbd49de65.tar.xz
linux-dev-e3306664eb307ae4cc93211cd9f12d0dbd49de65.zip
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@amd.com>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/amd_iommu.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 0c4319b13014..5141f5608c5c 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)