On Fri, 2015-12-11 at 16:47 +0100, Juergen Gross wrote:
> Add a parameter to init-xenstore-domain for support of arbitrary
> parameters for the xenstore domain.
> 
> Signed-off-by: Juergen Gross <jgr...@suse.com>
> ---
>  tools/xenstore/init-xenstore-domain.c | 21 ++++++++++++++++-----
>  1 file changed, 16 insertions(+), 5 deletions(-)
> 
> diff --git a/tools/xenstore/init-xenstore-domain.c b/tools/xenstore/init-
> xenstore-domain.c
> index 0ca7eed..eedcf32 100644
> --- a/tools/xenstore/init-xenstore-domain.c
> +++ b/tools/xenstore/init-xenstore-domain.c
> @@ -17,6 +17,7 @@ static uint32_t domid = -1;
>  static char *kernel;
>  static char *ramdisk;
>  static char *flask;
> +static char *param;
>  static int memory;
>  
>  static struct option options[] = {
> @@ -24,6 +25,7 @@ static struct option options[] = {
>       { "memory", 1, NULL, 'm' },
>       { "flask", 1, NULL, 'f' },
>       { "ramdisk", 1, NULL, 'r' },
> +     { "param", 1, NULL, 'p' },
>       { NULL, 0, NULL, 0 }
>  };
>  
> @@ -36,10 +38,11 @@ static void usage(void)
>  "\n"
>  "where options may include:\n"
>  "\n"
> -"  --kernel   kernel file of the xenstore domain, mandatory\n"
> -"  --memory       size of the domain in MB, mandatory\n"
> -"  --flask        optional flask label of the domain\n"
> -"  --ramdisk     optional ramdisk file for the domain\n");
> +"  --kernel  kernel file of the xenstore domain, mandatory\n"
> +"  --memory      size of the domain in MB, mandatory\n"
> +"  --flask       optional flask label of the domain\n"
> +"  --ramdisk    optional ramdisk file for the domain\n"
> +"  --param <cmdline>          optional additional parameters for the 
> domain\n");

This seems spurious, either get the indent right when you add the original
block or leave it alone here I think.

Otherwise this looks good to me:
Acked-by: Ian Campbell <ian.campb...@citrix.com>

>  }
>  
>  static int build(xc_interface *xch)
> @@ -93,7 +96,12 @@ static int build(xc_interface *xch)
>               fprintf(stderr, "Xenbus setup ioctl failed\n");
>               goto err;
>       }
> -     snprintf(cmdline, 512, "--event %d --internal-db", rv);
> +
> +     if (param)
> +             snprintf(cmdline, 512, "--event %d --internal-db %s",
> rv,
> +                      param);
> +     else
> +             snprintf(cmdline, 512, "--event %d --internal-db", rv);
>  
>       dom = xc_dom_allocate(xch, cmdline, NULL);
>       rv = xc_dom_kernel_file(dom, kernel);
> @@ -203,6 +211,9 @@ int main(int argc, char** argv)
>               case 'r':
>                       ramdisk = optarg;
>                       break;
> +             case 'p':
> +                     param = optarg;
> +                     break;
>               }
>       }
>  

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