Re: [BUG] from x86: Support kmap_local() forced debugging

On Wed, 6 Jan 2021 17:03:48 -0800
Linus Torvalds [off-list ref] 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