The qemu-doc already states that this option is only maintained for
backward compatibility and "-device virtconsole" should be used
instead. So let's take the next step and mark this option officially
as deprecated.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 v2:
 - Addressed Markus' review feedback from v1

 qemu-doc.texi   | 5 +++++
 qemu-options.hx | 5 +----
 vl.c            | 2 ++
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/qemu-doc.texi b/qemu-doc.texi
index 0ed0f19..4add403 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -2931,6 +2931,11 @@ The @code{-localtime} option has been replaced by @code{-rtc base=localtime}.
 
 The @code{-startdate} option has been replaced by @code{-rtc base=@var{date}}.
 
+@subsection -virtioconsole (since 2.13.0)
+
+Option @option{-virtioconsole} has been replaced by
+@option{-device virtconsole}.
+
 @section qemu-img command line arguments
 
 @subsection convert -s (since 2.0.0)
diff --git a/qemu-options.hx b/qemu-options.hx
index c611766..091ded6 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -3675,10 +3675,7 @@ STEXI
 @item -virtioconsole @var{c}
 @findex -virtioconsole
 Set virtio console.
-
-This option is maintained for backward compatibility.
-
-Please use @code{-device virtconsole} for the new way of invocation.
+This option is deprecated, please use @option{-device virtconsole} instead.
 ETEXI
 
 DEF("show-cursor", 0, QEMU_OPTION_show_cursor, \
diff --git a/vl.c b/vl.c
index 806eec2..519e54f 100644
--- a/vl.c
+++ b/vl.c
@@ -3598,6 +3598,8 @@ int main(int argc, char **argv, char **envp)
                 }
                 break;
             case QEMU_OPTION_virtiocon:
+                warn_report("This option is deprecated, "
+                            "use '-device virtconsole' instead");
                 add_device_config(DEV_VIRTCON, optarg);
                 default_virtcon = 0;
                 if (strncmp(optarg, "mon:", 4) == 0) {
-- 
1.8.3.1

On 04/05/2018 17:13, Thomas Huth wrote:
> The qemu-doc already states that this option is only maintained for
> backward compatibility and "-device virtconsole" should be used
> instead. So let's take the next step and mark this option officially
> as deprecated.
> 
> Reviewed-by: Markus Armbruster <armbru@redhat.com>
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
>  v2:
>  - Addressed Markus' review feedback from v1
> 
>  qemu-doc.texi   | 5 +++++
>  qemu-options.hx | 5 +----
>  vl.c            | 2 ++
>  3 files changed, 8 insertions(+), 4 deletions(-)
> 
> diff --git a/qemu-doc.texi b/qemu-doc.texi
> index 0ed0f19..4add403 100644
> --- a/qemu-doc.texi
> +++ b/qemu-doc.texi
> @@ -2931,6 +2931,11 @@ The @code{-localtime} option has been replaced by @code{-rtc base=localtime}.
>  
>  The @code{-startdate} option has been replaced by @code{-rtc base=@var{date}}.
>  
> +@subsection -virtioconsole (since 2.13.0)
> +
> +Option @option{-virtioconsole} has been replaced by
> +@option{-device virtconsole}.
> +
>  @section qemu-img command line arguments
>  
>  @subsection convert -s (since 2.0.0)
> diff --git a/qemu-options.hx b/qemu-options.hx
> index c611766..091ded6 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -3675,10 +3675,7 @@ STEXI
>  @item -virtioconsole @var{c}
>  @findex -virtioconsole
>  Set virtio console.
> -
> -This option is maintained for backward compatibility.
> -
> -Please use @code{-device virtconsole} for the new way of invocation.
> +This option is deprecated, please use @option{-device virtconsole} instead.
>  ETEXI
>  
>  DEF("show-cursor", 0, QEMU_OPTION_show_cursor, \
> diff --git a/vl.c b/vl.c
> index 806eec2..519e54f 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -3598,6 +3598,8 @@ int main(int argc, char **argv, char **envp)
>                  }
>                  break;
>              case QEMU_OPTION_virtiocon:
> +                warn_report("This option is deprecated, "
> +                            "use '-device virtconsole' instead");
>                  add_device_config(DEV_VIRTCON, optarg);
>                  default_virtcon = 0;
>                  if (strncmp(optarg, "mon:", 4) == 0) {
> 

Queued, thanks.

Paolo