2017-04-03 17:49, Ferruh Yigit:
> Recently added "dma_zalloc_coherent()" call is causing build error
> for Linux kernels < 3.2.
>
> compile error:
> .../build/build/lib/librte_eal/linuxapp/igb_uio/igb_uio.c:
> In function ‘igbuio_pci_probe’:
> .../build/build/lib/librte_eal/linuxapp/igb_uio/igb_uio.c:434:2:
> error: implicit declaration of function ‘dma_zalloc_coherent’
> [-Werror=implicit-function-declaration]
> map_addr = dma_zalloc_coherent(&dev->dev, 1024,
> ^
>
> dma_zalloc_coherent() introduced with Linux kernel 3.2, with commit
> Linux: 842fa69f3e0c ("include/linux/dma-mapping.h: add dma_zalloc_coherent()")
> Since it does not exist for older kernels, causing a build error.
>
> Swithched to dma_alloc_coherent() API to prevent build error.
>
> Fixes: d287e4d41be0 ("igb_uio: map dummy DMA forcing IOMMU domain attachment")
>
> Signed-off-by: Ferruh Yigit <ferruh.yi...@intel.com>
Applied, thanks
