2 Commits

Author	SHA1	Message	Date
Guo Ren	0d3b051adb	csky: Add VDSO with GENERIC_GETTIMEOFDAY, GENERIC_TIME_VSYSCALL, HAVE_GENERIC_VDSO ... 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>	2021-02-27 16:35:09 +08:00
Guo Ren	87f3248cdb	csky: Reconstruct VDSO framework ... Reconstruct vdso framework to support future vsyscall, vgettimeofday features. These are very important features to reduce system calls into the kernel for performance improvement. The patch is reference RISC-V's Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Cc: Palmer Dabbelt <palmerdabbelt@google.com>	2021-01-12 09:52:41 +08:00