X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_halt.c;h=e7862c814803a0f54a18f6480a993d4ef74a8ff0;hb=c900a49cfd8ff982a35bb7385fbd927e961569a0;hp=58a03747939b8b9125398e3cda470b5237d85693;hpb=8e9c13c41b0244a8d0029e837a623591a22c5879;p=palacios.git diff --git a/palacios/src/palacios/vmm_halt.c b/palacios/src/palacios/vmm_halt.c index 58a0374..e7862c8 100644 --- a/palacios/src/palacios/vmm_halt.c +++ b/palacios/src/palacios/vmm_halt.c @@ -28,6 +28,8 @@ #endif +#define YIELD_TIME_USEC 1000 + // // This should trigger a #GP if cpl != 0, otherwise, yield to host @@ -40,15 +42,15 @@ int v3_handle_halt(struct guest_info * info) { } else { PrintDebug("CPU Yield\n"); - while (!v3_intr_pending(info)) { - /* Since we're in an exit, time is already paused here, so no need to pause again. */ - // V3_Print("palacios: halt->yield\n"); + while (!v3_intr_pending(info) && (info->vm_info->run_state == VM_RUNNING)) { + uint64_t t, cycles; + /* Yield, allowing time to pass while yielded */ + t = v3_get_host_time(&info->time_state); + v3_yield(info,YIELD_TIME_USEC); + cycles = v3_get_host_time(&info->time_state) - t; + v3_advance_time(info, &cycles); - v3_yield(info); - - v3_disable_ints(); v3_update_timers(info); - v3_enable_ints(); /* At this point, we either have some combination of interrupts, including perhaps a timer interrupt, or @@ -59,12 +61,6 @@ int v3_handle_halt(struct guest_info * info) { /* asm("hlt"); */ } - /* check if there is a core move request pending - * if there is, resume the guest with RIP on halt instruction again - */ - if (info->core_move_state == CORE_MOVE_PENDING){ - return 0; - } } /* V3_Print("palacios: done with halt\n"); */