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| author | Guo Ren <guoren@linux.alibaba.com> | 2021-01-17 18:38:18 +0300 |
|---|---|---|
| committer | Guo Ren <guoren@linux.alibaba.com> | 2021-02-27 11:35:09 +0300 |
| commit | 0d3b051adbb72ed81956447d0d1e54d5943ee6f5 (patch) | |
| tree | 433b4210fd30da045a8a7f8709740a8787d85ac0 /arch/csky/Kconfig | |
| parent | 8dcbc611f0fcbcc196dc96e0f833181df0d80242 (diff) | |
| download | linux-0d3b051adbb72ed81956447d0d1e54d5943ee6f5.tar.xz | |
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>
Diffstat (limited to 'arch/csky/Kconfig')
| -rw-r--r-- | arch/csky/Kconfig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig index 7f1721101ea0..34e91224adc3 100644 --- a/arch/csky/Kconfig +++ b/arch/csky/Kconfig @@ -35,6 +35,9 @@ config CSKY select GENERIC_IRQ_MULTI_HANDLER select GENERIC_SCHED_CLOCK select GENERIC_SMP_IDLE_THREAD + select GENERIC_TIME_VSYSCALL + select GENERIC_VDSO_32 + select GENERIC_GETTIMEOFDAY select GX6605S_TIMER if CPU_CK610 select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_AUDITSYSCALL @@ -46,6 +49,7 @@ config CSKY select HAVE_DEBUG_KMEMLEAK select HAVE_DYNAMIC_FTRACE select HAVE_DYNAMIC_FTRACE_WITH_REGS + select HAVE_GENERIC_VDSO select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_ERROR_INJECTION |