Re: [Xen-devel] [PATCH] libxl: enabling upstream qemu as pure pv backend.

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Wed, Jun 08, 2011 at 09:55:18AM +0100, Ian Campbell wrote:
> On Wed, 2011-06-08 at 04:19 +0100, Wei Liu wrote:
> > commit 02cf9f9cfdf720c636c6ba08f795e49b5eb1f03e
> > Author: Wei Liu <liuw@xxxxxxxxx>
> > Date:   Wed Jun 8 11:13:25 2011 +0800
> > 
> >     libxl: enabling upstream qemu as pure pv backend.
> >     
> >     This patch makes device_model_{version,override} work for pure pv
> >     guest, so that users can specify upstream qemu as pure pv backend
> >     other than traditional qemu-xen.
> >     
> >     Signed-off-by: Wei Liu <liuw@xxxxxxxxx>
> > 
> > @@ -909,8 +909,8 @@ static int libxl__build_xenpv_qemu_args(libxl__gc *gc,
> >                                          libxl_device_model_info *info)
> >  {
> >      libxl_ctx *ctx = libxl__gc_owner(gc);
> > -    memset(info, 0x00, sizeof(libxl_device_model_info));
> 
> Why do you remove this memset?
> 
> > +    info->vnc = 0;
> >      if (vfb != NULL) {
> >          info->vnc = vfb->vnc;
> >          if (vfb->vnclisten)
> > @@ -927,9 +927,12 @@ static int libxl__build_xenpv_qemu_args(libxl__gc *gc,
> >          info->nographic = 1;
> >      info->domid = domid;
> >      info->dom_name = libxl_domid_to_name(ctx, domid);
> > -    info->device_model_version = 
> > LIBXL_DEVICE_MODEL_VERSION_QEMU_XEN_TRADITIONAL;
> > -    info->device_model = NULL;
> > -    info->type = LIBXL_DOMAIN_TYPE_PV;
> > +    info->target_ram = 0;
> > +    info->videoram = 0;
> > +    info->acpi = 0;
> > +    info->vcpus = 0;
> > +    info->vcpu_avail = 0;
> > +    info->xen_platform_pci = 0;
> >      return 0;
> >  }
> > diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
> > index 5415bc5..74a77a7 100644
> > --- a/tools/libxl/xl_cmdimpl.c
> > +++ b/tools/libxl/xl_cmdimpl.c
> > @@ -626,6 +626,8 @@ static void parse_config_data(const char 
> > *configfile_filename_report,
> >      int pci_power_mgmt = 0;
> >      int pci_msitranslate = 1;
> >      int e;
> > +    XLU_ConfigList *dmargs;
> > +    int nr_dmargs = 0;
> >  
> >      libxl_domain_create_info *c_info = &d_config->c_info;
> >      libxl_domain_build_info *b_info = &d_config->b_info;
> > @@ -1075,14 +1077,10 @@ skip_vfb:
> >          break;
> >      }
> >  
> > -    if (c_info->hvm == 1) {
> > -        XLU_ConfigList *dmargs;
> > -        int nr_dmargs = 0;
> > -
> > -        /* init dm from c and b */
> > -        libxl_init_dm_info(dm_info, c_info, b_info);
> > +    /* init dm from c and b */
> > +    libxl_init_dm_info(dm_info, c_info, b_info);

Looks like a space issue. You might want to make sure that you
have a uniform amount of spaces in the patches.

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