kernelconfig_penguin
CONFIG_ARC_MISALIGN_ACCESS is not available for the default architecture x86.
Result is shown for architecture arc
default or selected kernelversion does not have config value CONFIG_ARC_MISALIGN_ACCESS.
Result is shown for kernelversion 3.9.9
selects
CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN
CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW

Emulate unaligned memory access (userspace only)

modulename: unaligned.ko
configname: CONFIG_ARC_MISALIGN_ACCESS

Linux Kernel Configuration
└─> ARC Architecture Configuration
└─> Emulate unaligned memory access (userspace only)

This enables misaligned 16 & 32 bit memory access from user space.
Use ONLY-IF-ABS-NECESSARY as it will be very slow and also can hide
potential bugs in code


source code:


arch/arc/kernel/unaligned.c