diff options
Diffstat (limited to 'arch/riscv/mm/tlbflush.c')
| -rw-r--r-- | arch/riscv/mm/tlbflush.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/riscv/mm/tlbflush.c b/arch/riscv/mm/tlbflush.c index 24cd33d2c48f..9ecaf73cd051 100644 --- a/arch/riscv/mm/tlbflush.c +++ b/arch/riscv/mm/tlbflush.c @@ -14,6 +14,9 @@ static void __sbi_tlb_flush_range(struct cpumask *cmask, unsigned long start, { struct cpumask hmask; + if (cpumask_empty(cmask)) + return; + riscv_cpuid_to_hartid_mask(cmask, &hmask); sbi_remote_sfence_vma(hmask.bits, start, size); } |