Backport memory ops from upstream.
WANG Rui (2):
LoongArch: Optimize memory ops (memset/memcpy/memmove)
LoongArch: Fix return value underflow in exception path
Weihao Li (1):
LoongArch: Adjust {copy, clear}_user exception handler behavior
arch/loongarch/lib/clear_user.S | 166 +++++++++++++++----
arch/loongarch/lib/copy_user.S | 271 +++++++++++++++++++++++++-------
arch/loongarch/lib/memcpy.S | 146 ++++++++++++++---
arch/loongarch/lib/memmove.S | 120 ++++++++------
arch/loongarch/lib/memset.S | 116 +++++++++++---
5 files changed, 631 insertions(+), 188 deletions(-)
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2.39.2