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authorTushar Dave <tushar.n.dave@oracle.com>2016-11-19 13:53:58 -0800
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2017-02-02 22:40:39 -0800
commit9588397d24eecb7298bce9307b589a5bc0ccafdd (patch)
tree1340af80ab53b608d08c8012489403e8ee8dfa4d /tools/perf/bench
parent17901e1bde9b959b535d075f137d5a86ca64f1c9 (diff)
i40e: remove unnecessary __packed
'struct i40e_dma_mem' defined with 'packed' directive causing kernel unaligned errors on sparc. e.g. i40e: Intel(R) Ethernet Connection XL710 Network Driver - version 1.6.16-k i40e: Copyright (c) 2013 - 2014 Intel Corporation. Kernel unaligned access at TPC[44894c] dma_4v_alloc_coherent+0x1ac/0x300 Kernel unaligned access at TPC[44894c] dma_4v_alloc_coherent+0x1ac/0x300 Kernel unaligned access at TPC[44894c] dma_4v_alloc_coherent+0x1ac/0x300 Kernel unaligned access at TPC[44894c] dma_4v_alloc_coherent+0x1ac/0x300 Kernel unaligned access at TPC[44894c] dma_4v_alloc_coherent+0x1ac/0x300 i40e 0000:03:00.0: fw 5.1.40981 api 1.5 nvm 5.04 0x80002548 0.0.0 This can be fixed with get_unaligned/put_unaligned(). However no reference in driver shows that 'struct i40e_dma_mem' directly shoved into NIC hardware. But instead fields of the struct are being read and used for hardware. Therefore, __packed is unnecessary for 'struct i40e_dma_mem'. In addition, although 'struct i40e_virt_mem' doesn't cause any unaligned access, keeping it packed is unnecessary as well because of aforementioned reason. This change make 'struct i40e_dma_mem' and 'struct i40e_virt_mem' unpacked. Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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