[linux-next:pending-fixes 511/622] drivers/net/ethernet/mellanox/mlx5/core/en_main.c:339 mlx5e_get_mpwqe_offset() warn: should '(wqe_ix COPYING CREDITS Documentation Kbuild Kconfig LICENSES MAINTAINERS Makefile README arch block certs crypto drivers fs include init ipc kernel lib mm net samples scripts security sound tools usr virt ((((((((((1))) << (((18 - 12 > 0) - 12:0))) + 1)) + (((8)) - 1)) & ~(((8)) - 1))))) << 12' be a 64 bit

kernel test robot <lkp@xxxxxxxxx> · Fri, 12 Mar 2021 09:29:48 +0800

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git pending-fixes
head:   a9379d66d2a888c65c75e4d8c12264ac20c24030
commit: d5dd03b26ba49c4ffe67ee1937add82293c19794 [511/622] net/mlx5e: RX, Mind the MPWQE gaps when calculating offsets
config: arc-randconfig-m031-20210311 (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

New smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:339 mlx5e_get_mpwqe_offset() warn: should '(wqe_ix * ((((((((((1))) << (((18 - 12 > 0) ?18 - 12:0))) + 1)) + (((8)) - 1)) & ~(((8)) - 1))))) << 12' be a 64 bit type?

Old smatch warnings:
arch/arc/include/asm/thread_info.h:65 current_thread_info() error: uninitialized symbol 'sp'.

vim +339 drivers/net/ethernet/mellanox/mlx5/core/en_main.c

   336	
   337	static u64 mlx5e_get_mpwqe_offset(u16 wqe_ix)
   338	{
 > 339		return MLX5E_REQUIRED_MTTS(wqe_ix) << PAGE_SHIFT;
   340	}
   341	

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.config.gz

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