diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/qom/cpu.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/qom/cpu.h b/include/qom/cpu.h index 89ddb686fb..2fe7cff9fe 100644 --- a/include/qom/cpu.h +++ b/include/qom/cpu.h @@ -346,7 +346,7 @@ struct CPUState { void *env_ptr; /* CPUArchState */ - /* Writes protected by tb_lock, reads not thread-safe */ + /* Accessed in parallel; all accesses must be atomic */ struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE]; struct GDBRegisterState *gdb_regs; @@ -422,6 +422,15 @@ extern struct CPUTailQ cpus; extern __thread CPUState *current_cpu; +static inline void cpu_tb_jmp_cache_clear(CPUState *cpu) +{ + unsigned int i; + + for (i = 0; i < TB_JMP_CACHE_SIZE; i++) { + atomic_set(&cpu->tb_jmp_cache[i], NULL); + } +} + /** * qemu_tcg_mttcg_enabled: * Check whether we are running MultiThread TCG or not. |