• [ARMv7] question about writel & barrier

    Hi Sirs,

    I got a question about the way Linux 3.18 defines the "writel()".

    In linux-3.18/arch/arm64/include/asm/io.h, it describes:

    /*

    * I/O memory access primitives. Reads are ordered relative to any

    * following Normal memory access. Writes are…

  • Unhandled fault: alignment fault (0x92000061) at 0x00000000fff0f729

    Hi,

    I have an arm cortex A-57 machine that is running 3.16 linux kernel (64bit) compiled using gcc-linaro-aarch64_be-linux-gnu-4.9-2014.09_linux toolchain.

    My application (32bit) is accessing a member inside a structure at unaligned address using pointer…