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Subject[PATCH 10/34] x86/amd-iommu: Reimplement amd_iommu_flush_all_domains()
Date
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>
---
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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