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| author | Jiang Liu <jiang.liu@linux.intel.com> | 2014-07-11 08:19:36 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2014-07-23 16:04:47 +0200 |
| commit | a156ef99e874f3701367cc192aa604bcf8c0a236 (patch) | |
| tree | 2a2407d0d17ce78f8ed1766127d00724b86fba11 /drivers/iommu/intel-iommu.c | |
| parent | iommu/vt-d: Introduce helper domain_pfn_within_range() to simplify code (diff) | |
| download | linux-a156ef99e874f3701367cc192aa604bcf8c0a236.tar.xz linux-a156ef99e874f3701367cc192aa604bcf8c0a236.zip | |
iommu/vt-d: Introduce helper function iova_size() to improve code readability
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index c9e65edaa2ad..cd1ba24c766a 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -3101,10 +3101,10 @@ static void flush_unmaps(void) /* On real hardware multiple invalidations are expensive */ if (cap_caching_mode(iommu->cap)) iommu_flush_iotlb_psi(iommu, domain->id, - iova->pfn_lo, iova->pfn_hi - iova->pfn_lo + 1, + iova->pfn_lo, iova_size(iova), !deferred_flush[i].freelist[j], 0); else { - mask = ilog2(mm_to_dma_pfn(iova->pfn_hi - iova->pfn_lo + 1)); + mask = ilog2(mm_to_dma_pfn(iova_size(iova))); iommu_flush_dev_iotlb(deferred_flush[i].domain[j], (uint64_t)iova->pfn_lo << PAGE_SHIFT, mask); } @@ -3905,8 +3905,7 @@ static int intel_iommu_memory_notifier(struct notifier_block *nb, rcu_read_lock(); for_each_active_iommu(iommu, drhd) iommu_flush_iotlb_psi(iommu, si_domain->id, - iova->pfn_lo, - iova->pfn_hi - iova->pfn_lo + 1, + iova->pfn_lo, iova_size(iova), !freelist, 0); rcu_read_unlock(); dma_free_pagelist(freelist); |