On Wed, 6 Jan 2021 17:03:48 -0800 Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > (although I wonder how/why the heck you've enabled > CC_OPTIMIZE_FOR_SIZE=y, which is what causes "memcpy()" to be done as > that "rep movsb". I thought we disabled it because it's so bad on most > cpus). Why? Because to test x86_32, I have a Fedora Core 13 (yes 13!) partition (baremetal) that I use. And the .config I use for it hasn't changed since that time ;-) (except to add new features that I want to test on x86_32). Anyway, I'll test out your patch. Thanks for investigating this. -- Steve
