diff options
Diffstat (limited to 'arch/riscv/mm/cacheflush.c')
| -rw-r--r-- | arch/riscv/mm/cacheflush.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c index d76fc73e594b..f5be1fec8191 100644 --- a/arch/riscv/mm/cacheflush.c +++ b/arch/riscv/mm/cacheflush.c @@ -21,7 +21,9 @@ void flush_icache_all(void) { local_flush_icache_all(); - if (riscv_use_sbi_for_rfence()) + if (num_online_cpus() < 2) + return; + else if (riscv_use_sbi_for_rfence()) sbi_remote_fence_i(NULL); else on_each_cpu(ipi_remote_fence_i, NULL, 1); |