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author | Herbert Xu <herbert@gondor.apana.org.au> | 2017-01-12 16:10:00 +0800 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-01-12 16:10:00 +0800 |
commit | 4cf0662888026d5c1b62ed3fa8dc048a2ff2e124 (patch) | |
tree | a5c92c5024c599a00bfd8d402d2b7b0a619b0259 /drivers/xen/swiotlb-xen.c | |
parent | c821f6ab2e47946f35ee2f30781c5185e5d07f65 (diff) | |
parent | a121103c922847ba5010819a3f250f1f7fc84ab8 (diff) | |
download | op-kernel-dev-4cf0662888026d5c1b62ed3fa8dc048a2ff2e124.zip op-kernel-dev-4cf0662888026d5c1b62ed3fa8dc048a2ff2e124.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merging 4.10-rc3 so that the cryptodev tree builds on ARM64.
Diffstat (limited to 'drivers/xen/swiotlb-xen.c')
-rw-r--r-- | drivers/xen/swiotlb-xen.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 478fb91..f905d6e 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -275,6 +275,10 @@ retry: rc = 0; } else rc = swiotlb_late_init_with_tbl(xen_io_tlb_start, xen_io_tlb_nslabs); + + if (!rc) + swiotlb_set_max_segment(PAGE_SIZE); + return rc; error: if (repeat--) { @@ -392,7 +396,7 @@ dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, if (dma_capable(dev, dev_addr, size) && !range_straddles_page_boundary(phys, size) && !xen_arch_need_swiotlb(dev, phys, dev_addr) && - !swiotlb_force) { + (swiotlb_force != SWIOTLB_FORCE)) { /* we are not interested in the dma_addr returned by * xen_dma_map_page, only in the potential cache flushes executed * by the function. */ @@ -552,7 +556,7 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, phys_addr_t paddr = sg_phys(sg); dma_addr_t dev_addr = xen_phys_to_bus(paddr); - if (swiotlb_force || + if (swiotlb_force == SWIOTLB_FORCE || xen_arch_need_swiotlb(hwdev, paddr, dev_addr) || !dma_capable(hwdev, dev_addr, sg->length) || range_straddles_page_boundary(paddr, sg->length)) { |