Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 15/21] AMD IOMMU: add domain destroy function for IOMMU API | Date | Tue, 9 Dec 2008 15:16:12 +0100 |
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Impact: add a generic function for releasing protection domains
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> --- arch/x86/kernel/amd_iommu.c | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index cb7db66..d5581bb 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -1552,3 +1552,24 @@ out_free: return -ENOMEM; } + +static void amd_iommu_domain_destroy(struct iommu_domain *dom) +{ + struct protection_domain *domain = dom->priv; + + if (!domain) + return; + + if (domain->dev_cnt > 0) + cleanup_domain(domain); + + BUG_ON(domain->dev_cnt != 0); + + free_pagetable(domain); + + domain_id_free(domain->id); + + kfree(domain); + + dom->priv = NULL; +} -- 1.5.6.4
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