diff options
| -rw-r--r-- | accel/tcg/cputlb.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index 5e0d0ee..926d9a9 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -783,6 +783,15 @@ static void tlb_flush_range_by_mmuidx_async_0(CPUState *cpu, } qemu_spin_unlock(&env_tlb(env)->c.lock); + /* + * If the length is larger than the jump cache size, then it will take + * longer to clear each entry individually than it will to clear it all. + */ + if (d.len >= (TARGET_PAGE_SIZE * TB_JMP_CACHE_SIZE)) { + cpu_tb_jmp_cache_clear(cpu); + return; + } + for (target_ulong i = 0; i < d.len; i += TARGET_PAGE_SIZE) { tb_flush_jmp_cache(cpu, d.addr + i); } |