diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-23 01:35:55 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-23 01:35:55 -0300 |
| commit | d26f4ddb48463e2ff798859505af1cc520e75685 (patch) | |
| tree | a1268534c14d9a7db61b4758ac72c33a3c7712bb /drivers/iommu | |
| parent | 3326a1803802aa4730d32304b003f50720996b31 (diff) | |
Linux-libre 4.8.10-gnupck-4.8.10-gnu
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 3 | ||||
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 14 | ||||
| -rw-r--r-- | drivers/iommu/io-pgtable-arm-v7s.c | 4 |
3 files changed, 19 insertions, 2 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 96de97a46..822fc4afa 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -1654,6 +1654,9 @@ static void dma_ops_domain_free(struct dma_ops_domain *dom) free_pagetable(&dom->domain); + if (dom->domain.id) + domain_id_free(dom->domain.id); + kfree(dom); } diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index ebb5bf3dd..1257b0b80 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1711,6 +1711,7 @@ static void disable_dmar_iommu(struct intel_iommu *iommu) if (!iommu->domains || !iommu->domain_ids) return; +again: spin_lock_irqsave(&device_domain_lock, flags); list_for_each_entry_safe(info, tmp, &device_domain_list, global) { struct dmar_domain *domain; @@ -1723,10 +1724,19 @@ static void disable_dmar_iommu(struct intel_iommu *iommu) domain = info->domain; - dmar_remove_one_dev_info(domain, info->dev); + __dmar_remove_one_dev_info(info); - if (!domain_type_is_vm_or_si(domain)) + if (!domain_type_is_vm_or_si(domain)) { + /* + * The domain_exit() function can't be called under + * device_domain_lock, as it takes this lock itself. + * So release the lock here and re-run the loop + * afterwards. + */ + spin_unlock_irqrestore(&device_domain_lock, flags); domain_exit(domain); + goto again; + } } spin_unlock_irqrestore(&device_domain_lock, flags); diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index def8ca1c9..f50e51c1a 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -633,6 +633,10 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg, { struct arm_v7s_io_pgtable *data; +#ifdef PHYS_OFFSET + if (upper_32_bits(PHYS_OFFSET)) + return NULL; +#endif if (cfg->ias > ARM_V7S_ADDR_BITS || cfg->oas > ARM_V7S_ADDR_BITS) return NULL; |