Re: [Qemu-devel] [PATCH COLO-Frame v6 01/31] configure: Add parameter for configure to enable/disable COLO support

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* zhanghailiang (zhang.zhanghailiang@huawei.com) wrote:
> configure --enable-colo/--disable-colo to switch COLO
> support on/off.
> COLO support is off by default.
> 
> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
> Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
> Signed-off-by: Gonglei <arei.gonglei@huawei.com>
> Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
> ---
>  configure | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)

This should add an entry in the Usage:  text;
search for the line starting 'Optional features, enable with'

Dave

> diff --git a/configure b/configure
> index 222694f..8b6242f 100755
> --- a/configure
> +++ b/configure
> @@ -259,6 +259,7 @@ xfs=""
>  vhost_net="no"
>  vhost_scsi="no"
>  kvm="no"
> +colo="no"
>  rdma=""
>  gprof="no"
>  debug_tcg="no"
> @@ -932,6 +933,10 @@ for opt do
>    ;;
>    --enable-kvm) kvm="yes"
>    ;;
> +  --disable-colo) colo="no"
> +  ;;
> +  --enable-colo) colo="yes"
> +  ;;
>    --disable-tcg-interpreter) tcg_interpreter="no"
>    ;;
>    --enable-tcg-interpreter) tcg_interpreter="yes"
> @@ -1336,6 +1341,10 @@ Advanced options (experts only):
>    --disable-slirp          disable SLIRP userspace network connectivity
>    --disable-kvm            disable KVM acceleration support
>    --enable-kvm             enable KVM acceleration support
> +  --disable-colo           disable COarse-grain LOck-stepping Virtual
> +                           Machines for Non-stop Service
> +  --enable-colo            enable COarse-grain LOck-stepping Virtual
> +                           Machines for Non-stop Service (default)
>    --disable-rdma           disable RDMA-based migration support
>    --enable-rdma            enable RDMA-based migration support
>    --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
> @@ -4450,6 +4459,7 @@ echo "Linux AIO support $linux_aio"
>  echo "ATTR/XATTR support $attr"
>  echo "Install blobs     $blobs"
>  echo "KVM support       $kvm"
> +echo "COLO support      $colo"
>  echo "RDMA support      $rdma"
>  echo "TCG interpreter   $tcg_interpreter"
>  echo "fdt support       $fdt"
> @@ -5007,6 +5017,10 @@ if have_backend "ftrace"; then
>  fi
>  echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
>  
> +if test "$colo" = "yes"; then
> +  echo "CONFIG_COLO=y" >> $config_host_mak
> +fi
> +
>  if test "$rdma" = "yes" ; then
>    echo "CONFIG_RDMA=y" >> $config_host_mak
>  fi
> -- 
> 1.7.12.4
> 
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK