On Wed, Apr 15, 2015 at 9:57 PM, Anton Blanchard wrote:
> Save an instruction with -mprofile-kernel style profiling and require
> the mcount handler to save the LR to the stack.
>
> -mprofile-kernel is an undocumented gcc option that was introduced
> specifically for the Linux kernel, so it should
Save an instruction with -mprofile-kernel style profiling and require
the mcount handler to save the LR to the stack.
-mprofile-kernel is an undocumented gcc option that was introduced
specifically for the Linux kernel, so it should be safe to make this
change. When we do add support for this opti