Re: [PATCH net-next 1/5] net: mvneta: Use cacheable memory to store the rx buffer virtual address

From: kbuild test robot
Date: Fri Nov 25 2016 - 18:04:42 EST


Hi Gregory,

[auto build test ERROR on ]

url: https://github.com/0day-ci/linux/commits/Gregory-CLEMENT/Support-Armada-37xx-SoC-ARMv8-64-bits-in-mvneta-driver/20161126-050621
base:
config: parisc-allmodconfig (attached as .config)
compiler: hppa-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=parisc

Note: the linux-review/Gregory-CLEMENT/Support-Armada-37xx-SoC-ARMv8-64-bits-in-mvneta-driver/20161126-050621 HEAD 5f44108a5c983ae4477f811485fdc4ee12294e72 builds fine.
It only hurts bisectibility.

All errors (new ones prefixed by >>):


vim +2745 drivers/net/ethernet/marvell/mvneta.c

2739 DMA_FROM_DEVICE);
2740 if (unlikely(dma_mapping_error(pp->dev->dev.parent, phys_addr))) {
2741 mvneta_frag_free(pp->frag_size, data);
2742 return -ENOMEM;
2743 }
2744
> 2745 phys_addr += pp->rx_offset_correction;
2746 rx_desc->buf_phys_addr = phys_addr;
2747 rx_desc->buf_cookie = (uintptr_t)data;
2748

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