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author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2015-04-10 12:33:08 (GMT) |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-04-15 10:23:52 (GMT) |
commit | 6001018ae8c659e624351d2e73b1272bacd68d6a (patch) | |
tree | 5a489e3a6a65ca05d1b15a27c4f425f8181ca807 /arch/s390/pci/pci_dma.c | |
parent | df3044f1ef002c2269b11cb76a1b2bec629732b4 (diff) | |
download | linux-6001018ae8c659e624351d2e73b1272bacd68d6a.tar.xz |
s390/pci: extract software counters from fmb
The software counters are not a part of the function measurement
block. Also we do not check for zdev->fmb != NULL when using these
counters (function measurement can be toggled at runtime). Just move
the software counters to struct zpci_dev.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/pci/pci_dma.c')
-rw-r--r-- | arch/s390/pci/pci_dma.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index 4cbb29a..6fd8d58 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -300,7 +300,7 @@ static dma_addr_t s390_dma_map_pages(struct device *dev, struct page *page, flags |= ZPCI_TABLE_PROTECTED; if (!dma_update_trans(zdev, pa, dma_addr, size, flags)) { - atomic64_add(nr_pages, &zdev->fmb->mapped_pages); + atomic64_add(nr_pages, &zdev->mapped_pages); return dma_addr + (offset & ~PAGE_MASK); } @@ -328,7 +328,7 @@ static void s390_dma_unmap_pages(struct device *dev, dma_addr_t dma_addr, zpci_err_hex(&dma_addr, sizeof(dma_addr)); } - atomic64_add(npages, &zdev->fmb->unmapped_pages); + atomic64_add(npages, &zdev->unmapped_pages); iommu_page_index = (dma_addr - zdev->start_dma) >> PAGE_SHIFT; dma_free_iommu(zdev, iommu_page_index, npages); } @@ -357,7 +357,7 @@ static void *s390_dma_alloc(struct device *dev, size_t size, return NULL; } - atomic64_add(size / PAGE_SIZE, &zdev->fmb->allocated_pages); + atomic64_add(size / PAGE_SIZE, &zdev->allocated_pages); if (dma_handle) *dma_handle = map; return (void *) pa; @@ -370,7 +370,7 @@ static void s390_dma_free(struct device *dev, size_t size, struct zpci_dev *zdev = get_zdev(to_pci_dev(dev)); size = PAGE_ALIGN(size); - atomic64_sub(size / PAGE_SIZE, &zdev->fmb->allocated_pages); + atomic64_sub(size / PAGE_SIZE, &zdev->allocated_pages); s390_dma_unmap_pages(dev, dma_handle, size, DMA_BIDIRECTIONAL, NULL); free_pages((unsigned long) pa, get_order(size)); } |