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Re: [Qemu-devel] [PATCH 07/11] hw/arm/virt: pass VirtMachineState instea


From: Andrew Jones
Subject: Re: [Qemu-devel] [PATCH 07/11] hw/arm/virt: pass VirtMachineState instead of VirtGuestInfo
Date: Thu, 15 Dec 2016 17:24:05 +0100
User-agent: Mutt/1.6.0.1 (2016-04-01)

On Thu, Dec 15, 2016 at 03:45:55PM +0100, Igor Mammedov wrote:
> On Tue, 13 Dec 2016 22:45:18 +0100
> Andrew Jones <address@hidden> wrote:
> 
> > Only two functions take VirtGuestInfo parameters. Now that guest-info
> > is part of VirtMachineState, and VirtMachineState is defined in the
> > virt header, pass that instead.
> > 
> > Signed-off-by: Andrew Jones <address@hidden>
> > ---
> >  hw/arm/virt-acpi-build.c | 3 ++-
> >  hw/arm/virt.c            | 8 ++++----
> >  include/hw/arm/virt.h    | 2 +-
> >  3 files changed, 7 insertions(+), 6 deletions(-)
> > 
> > diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
> > index db44e2dd5f12..f7ce6aeed307 100644
> > --- a/hw/arm/virt-acpi-build.c
> > +++ b/hw/arm/virt-acpi-build.c
> > @@ -822,8 +822,9 @@ static const VMStateDescription vmstate_virt_acpi_build 
> > = {
> >      },
> >  };
> >  
> > -void virt_acpi_setup(VirtGuestInfo *guest_info)
> > +void virt_acpi_setup(VirtMachineState *vms)
> >  {
> > +    VirtGuestInfo *guest_info = &vms->acpi_guest_info;
> >      AcpiBuildTables tables;
> >      AcpiBuildState *build_state;
> >  
> > diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> > index 7860fade52f1..bcf8a2954c16 100644
> > --- a/hw/arm/virt.c
> > +++ b/hw/arm/virt.c
> > @@ -1156,9 +1156,9 @@ static void *machvirt_dtb(const struct arm_boot_info 
> > *binfo, int *fdt_size)
> >      return board->fdt;
> >  }
> >  
> > -static void virt_build_smbios(VirtGuestInfo *guest_info)
> > +static void virt_build_smbios(VirtMachineState *vms)
> Looks like all it needs is 'fw_cfg'
> If there aren't plans to use more data from VirtMachineState,
> just passing fw_cfg should be enough.

I prefer leaving it vms, as that's consistent with pretty much all
the other functions in this file, and if we do need more state then
it'll already be there. But I won't insist on this, it can always be
changed later.

Thanks,
drew

> 
> >  {
> > -    FWCfgState *fw_cfg = guest_info->fw_cfg;
> > +    FWCfgState *fw_cfg = vms->acpi_guest_info.fw_cfg;
> >      uint8_t *smbios_tables, *smbios_anchor;
> >      size_t smbios_tables_len, smbios_anchor_len;
> >      const char *product = "QEMU Virtual Machine";
> > @@ -1191,8 +1191,8 @@ void virt_machine_done(Notifier *notifier, void *data)
> >      VirtMachineState *vms = container_of(notifier, VirtMachineState,
> >                                           machine_done);
> >  
> > -    virt_acpi_setup(&vms->acpi_guest_info);
> > -    virt_build_smbios(&vms->acpi_guest_info);
> > +    virt_acpi_setup(vms);
> > +    virt_build_smbios(vms);
> >  }
> >  
> >  static void machvirt_init(MachineState *machine)
> > diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h
> > index 77d25dbddb62..cbedc682ae99 100644
> > --- a/include/hw/arm/virt.h
> > +++ b/include/hw/arm/virt.h
> > @@ -128,6 +128,6 @@ typedef struct {
> >      OBJECT_CLASS_CHECK(VirtMachineClass, klass, TYPE_VIRT_MACHINE)
> >  
> >  
> > -void virt_acpi_setup(VirtGuestInfo *guest_info);
> > +void virt_acpi_setup(VirtMachineState *vms);
> >  
> >  #endif /* QEMU_ARM_VIRT_H */
> 
> 



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