x86: don't use REP_GOOD or ERMS for small memory clearing

The modern target to use is FSRS (Fast Short REP STOS), and the other
cases should only be used for bigger areas (ie mainly things like page
clearing).

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2023-04-15 12:01:14 -07:00
commit 20f3337d35