subject:"kernel\/dma\/pool.c\:79 cma_in_zone\(\) warn\: always true condition '\(end <= \(\(\(\(32\) == 64\)\) << \(32\)\) \- 1\)\)\) => \(0\-u32max <= u32max\)'"

kernel/dma/pool.c:79 cma_in_zone() warn: always true condition '(end <= ((((32) == 64)) << (32)) - 1))) => (0-u32max <= u32max)'

2020-08-24 Thread kernel test robot

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6a9dc5fd6170d0a41c8a14eb19e63d94bea5705a commit: d7e673ec2c8e0ea39c4c70fc490d67d7fbda869d dma-pool: Only allocate from CMA when in same memory zone date: 11 days ago config: arc-randconfig-m031-20200824 (a

Re: kernel/dma/pool.c:79 cma_in_zone() warn: always true condition '(end <= ((((32) == 64)) << (32)) - 1))) => (0-u32max <= u32max)'

2020-08-25 Thread Christoph Hellwig

Looks like we might have to replace the IS_ENABLED with an ifdef to cater for the 32-bit phys_addr_t and overzealous compilers. On Tue, Aug 25, 2020 at 01:45:38PM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > master > head: 6a9dc5