[Buildroot] [PATCH 1/1] linux.mk: enable options for ktap

[Thomas De Schampheleire]

On Mon, Dec 16, 2013 at 11:53 AM, Anders Darander <anders at chargestorm.se> wrote:
> Certain tracing related options are required to be able to build ktapvm.ko, enable those.
>
> Enable CONFIG_FUNTCTION_TRACER as otherwise, CONFIG_EVENT_TRACING won't stick. (Some
> tracer needs to be enabled for this).
>
> Signed-off-by: Anders Darander <anders at chargestorm.se>
> ---
>
>  This is a followup to the introduction of the ktap package, as was discussed in
>  http://permalink.gmane.org/gmane.comp.lib.uclibc.buildroot/72000.
>
>  linux/linux.mk | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/linux/linux.mk b/linux/linux.mk
> index 33931e5..5af167d 100644
> --- a/linux/linux.mk
> +++ b/linux/linux.mk
> @@ -184,6 +184,11 @@ define LINUX_CONFIGURE_CMDS
>                 $(call KCONFIG_ENABLE_OPT,CONFIG_DEVTMPFS_MOUNT,$(@D)/.config))
>         $(if $(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),
>                 $(call KCONFIG_SET_OPT,CONFIG_UEVENT_HELPER_PATH,\"/sbin/mdev\",$(@D)/.config))
> +       $(if $(BR2_PACKAGE_KTAP),
> +               $(call KCONFIG_ENABLE_OPT,CONFIG_DEBUG_FS,$(@D)/.config)
> +               $(call KCONFIG_ENABLE_OPT,CONFIG_EVENT_TRACING,$(@D)/.config)
> +               $(call KCONFIG_ENABLE_OPT,CONFIG_PERF_EVENTS,$(@D)/.config)
> +               $(call KCONFIG_ENABLE_OPT,CONFIG_FUNCTION_TRACER,$(@D)/.config))
>         $(if $(BR2_PACKAGE_SYSTEMD),
>                 $(call KCONFIG_ENABLE_OPT,CONFIG_CGROUPS,$(@D)/.config))
>         $(if $(BR2_LINUX_KERNEL_APPENDED_DTB),
> --

Should we update the help text in ktap to indicate that the mentioned
configs are enabled automatically if the kernel is built by buildroot?