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head/sys/powerpc/pseries/platform_chrp.c
| Show First 20 Lines • Show All 511 Lines • ▼ Show 20 Lines | for (i = 0; i <= mp_maxid; i++) { | ||||
| if (pc == NULL) | if (pc == NULL) | ||||
| continue; | continue; | ||||
| if (last_pc == NULL || pc->pc_hwref != last_pc->pc_hwref) | if (last_pc == NULL || pc->pc_hwref != last_pc->pc_hwref) | ||||
| ncores++; | ncores++; | ||||
| last_pc = pc; | last_pc = pc; | ||||
| ncpus++; | ncpus++; | ||||
| } | } | ||||
| mp_ncores = ncores; | |||||
| if (ncpus % ncores != 0) { | if (ncpus % ncores != 0) { | ||||
| printf("WARNING: Irregular SMP topology. Performance may be " | printf("WARNING: Irregular SMP topology. Performance may be " | ||||
| "suboptimal (%d CPUS, %d cores)\n", ncpus, ncores); | "suboptimal (%d CPUS, %d cores)\n", ncpus, ncores); | ||||
| return (smp_topo_none()); | return (smp_topo_none()); | ||||
| } | } | ||||
| /* Don't do anything fancier for non-threaded SMP */ | /* Don't do anything fancier for non-threaded SMP */ | ||||
| if (ncpus == ncores) | if (ncpus == ncores) | ||||
| return (smp_topo_none()); | return (smp_topo_none()); | ||||
| smp_threads_per_core = ncpus / ncores; | |||||
| return (smp_topo_1level(CG_SHARE_L1, ncpus / ncores, CG_FLAG_SMT)); | return (smp_topo_1level(CG_SHARE_L1, ncpus / ncores, CG_FLAG_SMT)); | ||||
| } | } | ||||
| #endif | #endif | ||||
| static void | static void | ||||
| chrp_reset(platform_t platform) | chrp_reset(platform_t platform) | ||||
| { | { | ||||
| OF_reboot(); | OF_reboot(); | ||||
| Show All 39 Lines | |||||