UTS_RELEASE定义 Linux 中的内核版本。它在 中定义generated/utsrelease.h,由主 Makefile创建,如下所示:
# KERNELRELEASE can change from a few different places, meaning version.h
# needs to be updated, so this check is forced on all builds
uts_len := 64
define filechk_utsrelease.h
        if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \
          echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2;    \
          exit 1;                                                         \
        fi;                                                               \
        (echo \#define UTS_RELEASE \"$(KERNELRELEASE)\";)
endef
我想知道UTS代表什么,在这里?