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

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

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Linus Torvalds 2023-04-15 11:47:06 -07:00

parent 6a8f57ae2e

commit 68674f94ff

1 changed files with 10 additions and 24 deletions

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arch/x86/lib/memcpy_64.S

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