diff options
Diffstat (limited to 'arch/riscv/kernel/unaligned_access_speed.c')
| -rw-r--r-- | arch/riscv/kernel/unaligned_access_speed.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/riscv/kernel/unaligned_access_speed.c b/arch/riscv/kernel/unaligned_access_speed.c index bb57eb5d19df..36201613d2ca 100644 --- a/arch/riscv/kernel/unaligned_access_speed.c +++ b/arch/riscv/kernel/unaligned_access_speed.c @@ -289,7 +289,7 @@ free: } /* Measure unaligned access speed on all CPUs present at boot in parallel. */ -static int __init vec_check_unaligned_access_speed_all_cpus(void *unused __always_unused) +static int vec_check_unaligned_access_speed_all_cpus(void *unused __always_unused) { schedule_on_each_cpu(check_vector_unaligned_access); riscv_hwprobe_complete_async_probe(); @@ -297,7 +297,7 @@ static int __init vec_check_unaligned_access_speed_all_cpus(void *unused __alway return 0; } #else /* CONFIG_RISCV_PROBE_VECTOR_UNALIGNED_ACCESS */ -static int __init vec_check_unaligned_access_speed_all_cpus(void *unused __always_unused) +static int vec_check_unaligned_access_speed_all_cpus(void *unused __always_unused) { return 0; } @@ -411,4 +411,10 @@ static int __init check_unaligned_access_all_cpus(void) return 0; } -late_initcall(check_unaligned_access_all_cpus); +/* + * Run after clocksource_done_booting() so measure_cycles() uses a stable + * clocksource, but before rootfs_initcall() enables usermode helpers. Those + * helpers can reach hwprobe and populate the vDSO cache, so async hwprobe + * probes must be registered first. + */ +fs_initcall_sync(check_unaligned_access_all_cpus); |