diff options
| -rw-r--r-- | erts/emulator/beam/beam_bif_load.c | 44 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_process.c | 43 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_process.h | 9 |
3 files changed, 39 insertions, 57 deletions
diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index 94f8edf165..585d1fd6c3 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -148,6 +148,15 @@ struct m { }; static Eterm staging_epilogue(Process* c_p, int, Eterm res, int, struct m*, int); +#ifdef ERTS_SMP +static void smp_code_ix_commiter(void*); + +static struct /* Protected by code_write_permission */ +{ + Process* stager; + ErtsThrPrgrLaterOp lop; +}commiter_state; +#endif static Eterm exception_list(Process* p, Eterm tag, struct m* mp, Sint exceptions) @@ -347,7 +356,6 @@ staging_epilogue(Process* c_p, int commit, Eterm res, int is_blocking, } #ifdef ERTS_SMP else { - ErtsThrPrgrVal later; ASSERT(is_value(res)); if (loaded) { @@ -356,17 +364,17 @@ staging_epilogue(Process* c_p, int commit, Eterm res, int is_blocking, erts_end_staging_code_ix(); /* * Now we must wait for all schedulers to do a memory barrier before - * we can activate and let them access the new staged code. This allows + * we can commit and let them access the new staged code. This allows * schedulers to read active code_ix in a safe way while executing * without any memory barriers at all. */ - - later = erts_thr_progress_later(c_p->scheduler_data); - erts_thr_progress_wakeup(c_p->scheduler_data, later); - erts_notify_code_ix_activation(c_p, later); + ASSERT(commiter_state.stager == NULL); + commiter_state.stager = c_p; + erts_schedule_thr_prgr_later_op(smp_code_ix_commiter, NULL, &commiter_state.lop); + erts_smp_proc_inc_refc(c_p); erts_suspend(c_p, ERTS_PROC_LOCK_MAIN, NULL); /* - * handle_code_ix_activation() will do the rest "later" + * smp_code_ix_commiter() will do the rest "later" * and resume this process to return 'res'. */ ERTS_BIF_YIELD_RETURN(c_p, res); @@ -374,6 +382,28 @@ staging_epilogue(Process* c_p, int commit, Eterm res, int is_blocking, #endif } + +#ifdef ERTS_SMP +static void smp_code_ix_commiter(void* null) +{ + Process* p = commiter_state.stager; + + erts_commit_staging_code_ix(); + erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS); + if (!ERTS_PROC_IS_EXITING(p)) { + erts_resume(p, ERTS_PROC_LOCK_STATUS); + } + erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS); + erts_smp_proc_dec_refc(p); +#ifdef DEBUG + commiter_state.stager = NULL; +#endif + erts_release_code_write_permission(); +} +#endif /* ERTS_SMP */ + + + BIF_RETTYPE check_old_code_1(BIF_ALIST_1) { diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index c58bf40435..25b32c851d 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -531,7 +531,6 @@ dbg_chk_aux_work_val(erts_aint32_t value) valid |= ERTS_SSI_AUX_WORK_CHECK_CHILDREN; #endif #ifdef ERTS_SMP - valid |= ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION; valid |= ERTS_SSI_AUX_WORK_FINISH_BP; #endif #ifdef ERTS_SSI_AUX_WORK_REAP_PORTS @@ -1450,43 +1449,6 @@ handle_async_ready_clean(ErtsAuxWorkData *awdp, #endif /* ERTS_USE_ASYNC_READY_Q */ -#ifdef ERTS_SMP -void -erts_notify_code_ix_activation(Process* p, ErtsThrPrgrVal later) -{ - ErtsAuxWorkData* awdp = &p->scheduler_data->aux_work_data; - ASSERT(awdp->code_ix_activation.code_stager == NULL); - awdp->code_ix_activation.code_stager = p; - awdp->code_ix_activation.thr_prgr = later; - erts_smp_proc_inc_refc(p); - set_aux_work_flags_wakeup_relb(p->scheduler_data->ssi, - ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION); -} - -static erts_aint32_t -handle_code_ix_activation(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) -{ - Process* p; - if (!erts_thr_progress_has_reached(awdp->code_ix_activation.thr_prgr)) { - return aux_work & ~ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION; - } - unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION); - p = awdp->code_ix_activation.code_stager; - ASSERT(p); -#ifdef DEBUG - awdp->code_ix_activation.code_stager = NULL; -#endif - erts_commit_staging_code_ix(); - erts_release_code_write_permission(); - erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS); - if (!ERTS_PROC_IS_EXITING(p)) { - erts_resume(p, ERTS_PROC_LOCK_STATUS); - } - erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS); - erts_smp_proc_dec_refc(p); - return aux_work & ~ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION; -} -#endif /* ERTS_SMP */ #ifdef ERTS_SMP void @@ -1981,11 +1943,6 @@ handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work, int waiting) handle_mseg_cache_check); #endif -#ifdef ERTS_SMP - HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION, - handle_code_ix_activation); -#endif - HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_REAP_PORTS, handle_reap_ports); diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 1436e246d6..71b066046b 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -283,9 +283,8 @@ typedef enum { #define ERTS_SSI_AUX_WORK_CHECK_CHILDREN (((erts_aint32_t) 1) << 10) #define ERTS_SSI_AUX_WORK_SET_TMO (((erts_aint32_t) 1) << 11) #define ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK (((erts_aint32_t) 1) << 12) -#define ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION (((erts_aint32_t) 1) << 13) -#define ERTS_SSI_AUX_WORK_REAP_PORTS (((erts_aint32_t) 1) << 14) -#define ERTS_SSI_AUX_WORK_FINISH_BP (((erts_aint32_t) 1) << 15) +#define ERTS_SSI_AUX_WORK_REAP_PORTS (((erts_aint32_t) 1) << 13) +#define ERTS_SSI_AUX_WORK_FINISH_BP (((erts_aint32_t) 1) << 14) typedef struct ErtsSchedulerSleepInfo_ ErtsSchedulerSleepInfo; @@ -480,10 +479,6 @@ typedef struct { #endif #ifdef ERTS_SMP struct { - Process* code_stager; - ErtsThrPrgrVal thr_prgr; - } code_ix_activation; - struct { Process* stager; ErtsThrPrgrVal thr_prgr; } bp_ix_activation; |