kernel/arch/csky/include/asm/clocksource.h, branch linux-rolling-stable Hosts the 0x221E linux distro kernel. https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-rolling-stable 2021-02-27T08:35:09Z csky: Add VDSO with GENERIC_GETTIMEOFDAY, GENERIC_TIME_VSYSCALL, HAVE_GENERIC_VDSO 2021-02-27T08:35:09Z Guo Ren guoren@linux.alibaba.com 2021-01-17T15:38:18Z urn:sha1:0d3b051adbb72ed81956447d0d1e54d5943ee6f5 It could help to reduce the latency of the time-related functions in user space. We have referenced arm's and riscv's implementation for the patch. Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Cc: Vincent Chen <vincent.chen@sifive.com> Cc: Arnd Bergmann <arnd@arndb.de>