[Qemu-devel] Re: [PATCH 04/15] Improve vm_stop reason declarations

[Jan Kiszka]

On 2011-02-08 19:59, Marcelo Tosatti wrote:
> On Mon, Feb 07, 2011 at 12:19:15PM +0100, Jan Kiszka wrote:
>> index d6556c9..3397566 100644
>> --- a/gdbstub.c
>> +++ b/gdbstub.c
>> @@ -2194,14 +2194,14 @@ static void gdb_vm_state_change(void *opaque, int 
>> running, int reason)
>>      const char *type;
>>      int ret;
>>  
>> -    if (running || (reason != EXCP_DEBUG && reason != EXCP_INTERRUPT) ||
>> -        s->state == RS_INACTIVE || s->state == RS_SYSCALL)
>> +    if (running || (reason != VMSTOP_DEBUG && reason != VMSTOP_INTERRUPT) ||
>> +        s->state == RS_INACTIVE || s->state == RS_SYSCALL) {
>>          return;
> 
> What about VMSTOP_USER ?
> 
> VMSTOP_INTERRUPT -> "the VM is stopped by an interrupt".
> 
> VMSTOP_USER -> "the VM is stopped by the user".

Makes a lot of sense, will change.

> 
>> diff --git a/migration.c b/migration.c
>> index 3612572..20ea113 100644
>> --- a/migration.c
>> +++ b/migration.c
>> @@ -378,7 +378,7 @@ void migrate_fd_put_ready(void *opaque)
>>          int old_vm_running = vm_running;
>>  
>>          DPRINTF("done iterating\n");
>> -        vm_stop(0);
>> +        vm_stop(VMSTOP_RWSTATE);
> 
> VMSTOP_RWSTATE is cryptic. What about VMSTOP_SAVEVM, MIGRATE, etc.

Both alternatives are not completely accurate as we also stop of vmload.
What about VMSTOP_SYNC_STATE or UPDATE_STATE?

Jan

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