diff options
| author | Guo Ren <[email protected]> | 2021-01-17 23:38:18 +0800 |
|---|---|---|
| committer | Guo Ren <[email protected]> | 2021-02-27 16:35:09 +0800 |
| commit | 0d3b051adbb72ed81956447d0d1e54d5943ee6f5 (patch) | |
| tree | 433b4210fd30da045a8a7f8709740a8787d85ac0 /arch/csky/kernel/perf_event.c | |
| parent | 8dcbc611f0fcbcc196dc96e0f833181df0d80242 (diff) | |
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 <[email protected]>
Cc: Vincent Chen <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Diffstat (limited to 'arch/csky/kernel/perf_event.c')
| -rw-r--r-- | arch/csky/kernel/perf_event.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/csky/kernel/perf_event.c b/arch/csky/kernel/perf_event.c index 55d5a5379483..e5f18420ce64 100644 --- a/arch/csky/kernel/perf_event.c +++ b/arch/csky/kernel/perf_event.c @@ -87,7 +87,7 @@ static int csky_pmu_irq; }) /* cycle counter */ -static uint64_t csky_pmu_read_cc(void) +uint64_t csky_pmu_read_cc(void) { uint32_t lo, hi, tmp; uint64_t result; |