diff options
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/kernel/cpufeature.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index 970a71422bee..6a01ded615cd 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -572,6 +572,10 @@ void check_unaligned_access(int cpu) if (check_unaligned_access_emulated(cpu)) return; + /* We are already set since the last check */ + if (per_cpu(misaligned_access_speed, cpu) != RISCV_HWPROBE_MISALIGNED_UNKNOWN) + return; + page = alloc_pages(GFP_NOWAIT, get_order(MISALIGNED_BUFFER_SIZE)); if (!page) { pr_warn("Can't alloc pages to measure memcpy performance"); |