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Re: [Xen-devel] [PATCH 2/3] tools/helpers: make gen_stub_json_config accept an UUID argument


  • To: Wei Liu <wei.liu2@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • Date: Thu, 15 Nov 2018 14:42:16 +0000
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  • Cc: Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, edvin.torok@xxxxxxxxxx
  • Delivery-date: Thu, 15 Nov 2018 14:43:25 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
  • Openpgp: preference=signencrypt

On 14/11/2018 18:17, Wei Liu wrote:
> If that's set, the stub is going to contain that UUID.
>
> No functional change.
>
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> ---
>  tools/helpers/init-dom-json.c        | 5 ++++-
>  tools/helpers/init-dom-json.h        | 3 ++-
>  tools/helpers/init-xenstore-domain.c | 2 +-
>  tools/helpers/xen-init-dom0.c        | 2 +-
>  4 files changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/tools/helpers/init-dom-json.c b/tools/helpers/init-dom-json.c
> index 704e7cb4f0..9514b3ceb6 100644
> --- a/tools/helpers/init-dom-json.c
> +++ b/tools/helpers/init-dom-json.c
> @@ -7,7 +7,7 @@
>  #include <xenctrl.h>
>  #include <libxl.h>
>  
> -int gen_stub_json_config(uint32_t domid)
> +int gen_stub_json_config(uint32_t domid, libxl_uuid *uuid)
>  {
>      int rc = 1;
>      xentoollog_logger_stdiostream *logger;
> @@ -40,6 +40,9 @@ int gen_stub_json_config(uint32_t domid)
>      libxl_domain_build_info_init_type(&dom_config.b_info,
>                                        dom_config.c_info.type);
>  
> +    if (uuid && !libxl_uuid_is_nil(uuid))
> +        libxl_uuid_copy(ctx, &dom_config.c_info.uuid, uuid);

Is the nil check necessary, given that nil is the default value for
dom_config.c_info.uuid ?

Either way, Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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