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xiaoxiang pushed a change to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git


    from 6be363ff35 drivers/serial: fix race condition in multi-thread write
     new 58e97e521c libc/string: prevent libc in the kernel/userspace optionally
     new 496a77653a arch/xtensa/esp32_esp32s3: prevent arch's libc in the 
userspace

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 arch/xtensa/Kconfig                              |  2 +
 libs/libc/Makefile                               |  1 +
 libs/libc/libc.h                                 | 30 ++++++++++----
 libs/libc/machine/Kconfig                        | 24 +++++++++++
 libs/libc/machine/arm/armv7-a/gnu/arch_memchr.S  |  6 +++
 libs/libc/machine/arm/armv7-a/gnu/arch_memcpy.S  |  6 +++
 libs/libc/machine/arm/armv7-a/gnu/arch_memmove.S |  6 +++
 libs/libc/machine/arm/armv7-a/gnu/arch_memset.S  |  6 +++
 libs/libc/machine/arm/armv7-a/gnu/arch_strcmp.S  |  6 +++
 libs/libc/machine/arm/armv7-a/gnu/arch_strlen.S  |  6 +++
 libs/libc/machine/arm/armv7-m/gnu/arch_memchr.S  |  6 +++
 libs/libc/machine/arm/armv7-m/gnu/arch_memcpy.S  |  6 +++
 libs/libc/machine/arm/armv7-m/gnu/arch_memmove.S |  6 +++
 libs/libc/machine/arm/armv7-m/gnu/arch_memset.S  |  6 +++
 libs/libc/machine/arm/armv7-m/gnu/arch_strcmp.S  |  6 +++
 libs/libc/machine/arm/armv7-m/gnu/arch_strcpy.S  |  5 +++
 libs/libc/machine/arm/armv7-m/gnu/arch_strlen.S  |  6 +++
 libs/libc/machine/arm/armv7-r/gnu/arch_memchr.S  |  6 +++
 libs/libc/machine/arm/armv7-r/gnu/arch_memcpy.S  |  6 +++
 libs/libc/machine/arm/armv7-r/gnu/arch_memmove.S |  6 +++
 libs/libc/machine/arm/armv7-r/gnu/arch_memset.S  |  6 +++
 libs/libc/machine/arm/armv7-r/gnu/arch_strcmp.S  |  6 +++
 libs/libc/machine/arm/armv7-r/gnu/arch_strlen.S  |  6 +++
 libs/libc/machine/arm/armv8-m/gnu/arch_memchr.S  |  6 +++
 libs/libc/machine/arm/armv8-m/gnu/arch_memcpy.S  |  6 +++
 libs/libc/machine/arm/armv8-m/gnu/arch_memmove.S |  6 +++
 libs/libc/machine/arm/armv8-m/gnu/arch_memset.S  |  6 +++
 libs/libc/machine/arm/armv8-m/gnu/arch_strcmp.S  |  6 +++
 libs/libc/machine/arm/armv8-m/gnu/arch_strlen.S  |  6 +++
 libs/libc/machine/arm64/gnu/arch_memchr.S        |  6 +++
 libs/libc/machine/arm64/gnu/arch_memcmp.S        |  6 +++
 libs/libc/machine/arm64/gnu/arch_memcpy.S        |  6 +++
 libs/libc/machine/arm64/gnu/arch_memmove.S       |  6 +++
 libs/libc/machine/arm64/gnu/arch_memset.S        |  6 +++
 libs/libc/machine/arm64/gnu/arch_strchr.S        |  6 +++
 libs/libc/machine/arm64/gnu/arch_strchrnul.S     |  6 +++
 libs/libc/machine/arm64/gnu/arch_strcmp.S        |  6 +++
 libs/libc/machine/arm64/gnu/arch_strcpy.S        |  6 +++
 libs/libc/machine/arm64/gnu/arch_strlen.S        |  6 +++
 libs/libc/machine/arm64/gnu/arch_strncmp.S       |  6 +++
 libs/libc/machine/arm64/gnu/arch_strnlen.S       |  6 +++
 libs/libc/machine/arm64/gnu/arch_strrchr.S       |  6 +++
 libs/libc/machine/risc-v/gnu/arch_memcpy.S       | 10 +++++
 libs/libc/machine/risc-v/gnu/arch_memset.S       |  6 +++
 libs/libc/machine/risc-v/gnu/arch_strcmp.S       |  6 +++
 libs/libc/machine/xtensa/arch_memcpy.S           |  6 +++
 libs/libc/machine/xtensa/arch_memmove.S          |  6 +++
 libs/libc/machine/xtensa/arch_memset.S           |  6 +++
 libs/libc/machine/xtensa/arch_strcmp.S           |  5 +++
 libs/libc/machine/xtensa/arch_strcpy.S           |  6 +++
 libs/libc/machine/xtensa/arch_strlen.S           |  6 +++
 libs/libc/machine/xtensa/arch_strncpy.S          |  6 +++
 libs/libc/string/Make.defs                       | 52 ++----------------------
 libs/libc/string/lib_memchr.c                    |  4 ++
 libs/libc/string/lib_memcmp.c                    |  4 +-
 libs/libc/string/lib_memcpy.c                    |  4 +-
 libs/libc/string/lib_memmove.c                   |  4 +-
 libs/libc/string/lib_memset.c                    |  4 +-
 libs/libc/string/lib_strcasecmp.c                |  4 +-
 libs/libc/string/lib_strcat.c                    |  4 +-
 libs/libc/string/lib_strchr.c                    |  4 +-
 libs/libc/string/lib_strchrnul.c                 |  4 +-
 libs/libc/string/lib_strcmp.c                    |  4 +-
 libs/libc/string/lib_strcpy.c                    |  4 +-
 libs/libc/string/lib_strlcat.c                   |  4 +-
 libs/libc/string/lib_strlcpy.c                   |  4 +-
 libs/libc/string/lib_strlen.c                    |  4 +-
 libs/libc/string/lib_strncasecmp.c               |  4 +-
 libs/libc/string/lib_strncat.c                   |  4 +-
 libs/libc/string/lib_strncmp.c                   |  4 +-
 libs/libc/string/lib_strncpy.c                   |  4 +-
 libs/libc/string/lib_strnlen.c                   |  4 +-
 libs/libc/string/lib_strrchr.c                   |  4 +-
 libs/libc/string/lib_vikmemcpy.c                 |  6 +++
 74 files changed, 408 insertions(+), 77 deletions(-)

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