Re: [RFC 0/3] x86: Patchable constants

[Peter Zijlstra]

On Wed, Feb 07, 2018 at 05:59:10PM +0300, Kirill A. Shutemov wrote:
> This conversion makes GCC generate worse code. Conversion __PHYSICAL_MASK
> to a patchable constant adds about 5k in .text on defconfig and makes it
> slightly slower at runtime (~0.2% on my box).

Do you have explicit examples for the worse code? That might give clue
on how to improve things.