X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm.c;h=54207595bd92fa6fc22f3580fc1809285dfddade;hb=bb33d48ebc1556d29c3e3ce9e46d5d4c9c32aa48;hp=87746efaaba498f3c0f650ab87c99d1be50a7b2c;hpb=dff987790423249e95487f8754ebe0fbee8dbbdd;p=palacios.git diff --git a/palacios/src/palacios/vmm.c b/palacios/src/palacios/vmm.c index 87746ef..5420759 100644 --- a/palacios/src/palacios/vmm.c +++ b/palacios/src/palacios/vmm.c @@ -255,7 +255,11 @@ int v3_start_vm(struct v3_vm_info * vm, unsigned int cpu_mask) { int minor = i % 8; if (core_mask[major] & (0x1 << minor)) { - avail_cores++; + if (v3_cpu_types[i] == V3_INVALID_CPU) { + core_mask[major] &= ~(0x1 << minor); + } else { + avail_cores++; + } } } @@ -266,6 +270,8 @@ int v3_start_vm(struct v3_vm_info * vm, unsigned int cpu_mask) { return -1; } + vm->run_state = VM_RUNNING; + // Spawn off threads for each core. // We work backwards, so that core 0 is always started last. for (i = 0, vcore_id = vm->num_cores - 1; (i < MAX_CORES) && (vcore_id >= 0); i++) { @@ -323,6 +329,12 @@ int v3_start_vm(struct v3_vm_info * vm, unsigned int cpu_mask) { vcore_id--; } + if (vcore_id >= 0) { + PrintError("Error starting VM: Not enough available CPU cores\n"); + v3_stop_vm(vm); + return -1; + } + return 0; @@ -414,13 +426,9 @@ int v3_move_vm_core(struct v3_vm_info * vm, int vcore_id, int target_cpu) { */ core->pcpu_id = target_cpu; - V3_Print("core now at %d\n", core->pcpu_id); - + V3_Print("core now at %d\n", core->pcpu_id); } - - - v3_lower_barrier(vm); return 0; @@ -567,11 +575,10 @@ void v3_yield_cond(struct guest_info * info) { cur_cycle = v3_get_host_time(&info->time_state); if (cur_cycle > (info->yield_start_cycle + info->vm_info->yield_cycle_period)) { - - /* - PrintDebug("Conditional Yield (cur_cyle=%p, start_cycle=%p, period=%p)\n", - (void *)cur_cycle, (void *)info->yield_start_cycle, (void *)info->yield_cycle_period); - */ + //PrintDebug("Conditional Yield (cur_cyle=%p, start_cycle=%p, period=%p)\n", + // (void *)cur_cycle, (void *)info->yield_start_cycle, + // (void *)info->yield_cycle_period); + V3_Yield(); info->yield_start_cycle = v3_get_host_time(&info->time_state); }