Re: [PATCH] mtd: avoid stack overflow in MTD CFI code

2016-01-25 Thread kbuild test robot
Hi Arnd, [auto build test WARNING on v4.5-rc1] [also build test WARNING on next-20160125] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Arnd-Bergmann/mtd-avoid-stack-overflow-in-MTD-CFI-code/

[PATCH] mtd: avoid stack overflow in MTD CFI code

2016-01-25 Thread Arnd Bergmann
When map_word gets too large, we use a lot of kernel stack, and for MTD_MAP_BANK_WIDTH_32, this means we use more than the recommended 1024 bytes in a number of functions: drivers/mtd/chips/cfi_cmdset_0020.c: In function 'cfi_staa_write_buffers': drivers/mtd/chips/cfi_cmdset_0020.c:651:1: warning: