Re: [Qemu-devel] [PATCH v3 2/2] Fix return value of vga initlization on ppc

["Andreas Färber" <afaerber@suse.de>]

Am 11.03.2014 10:52, schrieb Mark Wu:
> On 03/10/2014 10:52 PM, Paolo Bonzini wrote:
>> Il 10/03/2014 15:37, Mark Wu ha scritto:
>>> Before spapr_vga_init will returned false if the vga is specified by
>>> the command '-device VGA' because vga_interface_type was evaluated to
>>> VGA_NONE. With the change in previous patch of this series,
>>> spapr_vga_init should return true if it's told that the vga will be
>>> initialized in flow of the generic devices initialization.
>>>
>>> To keep '-nodefaults' have the semantics of bare minimum, it adds a
>>> check of 'has_defaults' in usb_enabled() to avoid that a USB controller
>>> is added by '-nodefautls, -device VGA' implicitly.
>>>
>>> This patch also makes two cleanups:
>>> 1. skip initialization for VGA_NONE
>>> 2. remove the useless 'break'
>>>
>>> Signed-off-by: Mark Wu <wudxw@linux.vnet.ibm.com>
>>> ---
>>>  hw/ppc/spapr.c | 4 +++-
>>>  vl.c           | 3 ++-
>>>  2 files changed, 5 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
>>> index bf46c38..5c9a154 100644
>>> --- a/hw/ppc/spapr.c
>>> +++ b/hw/ppc/spapr.c
>>> @@ -781,13 +781,15 @@ static int spapr_vga_init(PCIBus *pci_bus)
>>>  {
>>>      switch (vga_interface_type) {
>>>      case VGA_NONE:
>>> +        return false;
>>> +    case VGA_DEVICE:
>>> +        return true;
>>>      case VGA_STD:
>>>          return pci_vga_init(pci_bus) != NULL;
>>>      default:
>>>          fprintf(stderr, "This vga model is not supported,"
>>>                  "currently it only supports -vga std\n");
>>>          exit(0);
>>> -        break;
>>>      }
>>>  }
>>>
>>> diff --git a/vl.c b/vl.c
>>> index f8f7c00..e9d8baf 100644
>>> --- a/vl.c
>>> +++ b/vl.c
>>> @@ -932,7 +932,8 @@ static int parse_sandbox(QemuOpts *opts, void
>>> *opaque)
>>>
>>>  bool usb_enabled(bool default_usb)
>>>  {
>>> -    return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
>>> default_usb);
>>> +    return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
>>> +                             has_defaults && default_usb);
>>>  }
>>>
>>>  #ifndef _WIN32
>>>
>>
>> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
>>
> Thanks a lot for the review.  You contributed a lot on this patch, but I
> forgot to acknowledge it in commit message.
> I think re-sending a new patch to include it could cause some noise. 
> May I ask the maintainer add the following line
> in the commit message when it's picked?  Same on 1/2 in this series Thanks.
> Suggested-by: Paolo Bonzini <pbonzini@redhat.com>

Sorry, didn't spot this yesterday, applied to ppc-next (with typo fix):
https://github.com/afaerber/qemu-cpu/commits/ppc-next

Thanks,
Andreas

P.S. Mark, please remember to include a cover letter 0/2 next time.

-- 
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg