Re: [Qemu-devel] [PATCH] vl.c: remove duplicate call to qemu_get_machine_opts

[Laszlo Ersek <lersek@redhat.com>]

On 02/08/16 13:27, Marcel Apfelbaum wrote:
> On 02/08/2016 02:22 PM, Laszlo Ersek wrote:
>> On 02/08/16 12:45, Marcel Apfelbaum wrote:
>>> Also we can use current machine properties instead of querying
>>> machine's opts.
>>
>> Why? :) For me at least, you'll have to spell it out.
> 
> The theory would be that is cleaner to call an object property than use
> a string
> (when possible); compiler helps and so on...
> 
>   object->prop vs find_me_prop("prop")
> 
> Since all machine properties have already been set with the command line
> options
> we really have no need to use them anymore and we can favor the machine.

Yes; what I meant is, where exactly have these properties been set?

Thanks
Laszlo

>>> Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
>>> ---
>>>   vl.c | 9 ++++-----
>>>   1 file changed, 4 insertions(+), 5 deletions(-)
>>>
>>> diff --git a/vl.c b/vl.c
>>> index 5873248..c03a4fe 100644
>>> --- a/vl.c
>>> +++ b/vl.c
>>> @@ -4353,11 +4353,10 @@ int main(int argc, char **argv, char **envp)
>>>           qtest_init(qtest_chrdev, qtest_log, &error_fatal);
>>>       }
>>>
>>> -    machine_opts = qemu_get_machine_opts();
>>> -    kernel_filename = qemu_opt_get(machine_opts, "kernel");
>>> -    initrd_filename = qemu_opt_get(machine_opts, "initrd");
>>> -    kernel_cmdline = qemu_opt_get(machine_opts, "append");
>>> -    bios_name = qemu_opt_get(machine_opts, "firmware");
>>> +    kernel_filename = current_machine->kernel_filename;
>>> +    initrd_filename = current_machine->initrd_filename;
>>> +    kernel_cmdline = current_machine->kernel_cmdline;
>>> +    bios_name = current_machine->firmware;
>>>
>>>       opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
>>>       if (opts) {
>>>
>>
>> Thanks
>> Laszlo
>>
>