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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-10-09 22:13:30 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-10-09 22:13:30 +0200 |
| commit | 670aee3fc7ac37ae947f8b582d87b51d5fa36524 (patch) | |
| tree | 9885998483d4506208e5aef9c13c8a86adea20bb /drivers/iommu/intel-iommu.c | |
| parent | Merge tag 'pull_req_4.3_rc4' of https://git.kernel.org/pub/scm/linux/kernel/g... (diff) | |
| parent | cpufreq: prevent lockup on reading scaling_available_frequencies (diff) | |
| download | linux-670aee3fc7ac37ae947f8b582d87b51d5fa36524.tar.xz linux-670aee3fc7ac37ae947f8b582d87b51d5fa36524.zip | |
Merge branches 'pm-devfreq' and 'pm-cpufreq'
* pm-devfreq:
PM / devfreq: fix double kfree
PM / devfreq: Fix governor_store()
* pm-cpufreq:
cpufreq: prevent lockup on reading scaling_available_frequencies
cpufreq: acpi_cpufreq: prevent crash on reading freqdomain_cpus
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 2d7349a3ee14..041bc1810a86 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -3215,6 +3215,8 @@ static struct iova *intel_alloc_iova(struct device *dev, /* Restrict dma_mask to the width that the iommu can handle */ dma_mask = min_t(uint64_t, DOMAIN_MAX_ADDR(domain->gaw), dma_mask); + /* Ensure we reserve the whole size-aligned region */ + nrpages = __roundup_pow_of_two(nrpages); if (!dmar_forcedac && dma_mask > DMA_BIT_MASK(32)) { /* @@ -3711,7 +3713,7 @@ static inline int iommu_devinfo_cache_init(void) static int __init iommu_init_mempool(void) { int ret; - ret = iommu_iova_cache_init(); + ret = iova_cache_get(); if (ret) return ret; @@ -3725,7 +3727,7 @@ static int __init iommu_init_mempool(void) kmem_cache_destroy(iommu_domain_cache); domain_error: - iommu_iova_cache_destroy(); + iova_cache_put(); return -ENOMEM; } @@ -3734,7 +3736,7 @@ static void __init iommu_exit_mempool(void) { kmem_cache_destroy(iommu_devinfo_cache); kmem_cache_destroy(iommu_domain_cache); - iommu_iova_cache_destroy(); + iova_cache_put(); } static void quirk_ioat_snb_local_iommu(struct pci_dev *pdev) |