diff options
Diffstat (limited to 'arch/riscv/mm/cacheflush.c')
| -rw-r--r-- | arch/riscv/mm/cacheflush.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c index 3ef666c7dfc7..a03c994eed3b 100644 --- a/arch/riscv/mm/cacheflush.c +++ b/arch/riscv/mm/cacheflush.c @@ -22,7 +22,9 @@ void flush_icache_all(void) { local_flush_icache_all(); - if (IS_ENABLED(CONFIG_RISCV_SBI) && !riscv_use_ipi_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); @@ -70,8 +72,7 @@ void flush_icache_mm(struct mm_struct *mm, bool local) * with flush_icache_deferred(). */ smp_mb(); - } else if (IS_ENABLED(CONFIG_RISCV_SBI) && - !riscv_use_ipi_for_rfence()) { + } else if (riscv_use_sbi_for_rfence()) { sbi_remote_fence_i(&others); } else { on_each_cpu_mask(&others, ipi_remote_fence_i, NULL, 1); |