[v2,2/2] systemd: enable required kernel features.

When systemd is chosen as init system, the required kernel features are
enabled.

Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
---
 linux/linux.mk            |    6 +++++-
 package/systemd/Config.in |   16 ++++++++++++++--
 2 files changed, 19 insertions(+), 3 deletions(-)

On 24/02/14 10:25, Eric Le Bihan wrote:
> When systemd is chosen as init system, the required kernel features are
> enabled.
> 
> Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>

Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

 However, it would be good to add the same information to the end of
docs/manual/configure.txt

 Regards,
 Arnout

> ---
>  linux/linux.mk            |    6 +++++-
>  package/systemd/Config.in |   16 ++++++++++++++--
>  2 files changed, 19 insertions(+), 3 deletions(-)
> 
> diff --git a/linux/linux.mk b/linux/linux.mk
> index d7f51b3..f948e6c 100644
> --- a/linux/linux.mk
> +++ b/linux/linux.mk
> @@ -195,7 +195,11 @@ define LINUX_CONFIGURE_CMDS
>  		$(call KCONFIG_ENABLE_OPT,CONFIG_FUNCTION_TRACER,$(@D)/.config))
>  	$(if $(BR2_PACKAGE_SYSTEMD),
>  		$(call KCONFIG_ENABLE_OPT,CONFIG_CGROUPS,$(@D)/.config)
> -		$(call KCONFIG_ENABLE_OPT,CONFIG_INOTIFY_USER,$(@D)/.config))
> +		$(call KCONFIG_ENABLE_OPT,CONFIG_INOTIFY_USER,$(@D)/.config)
> +		$(call KCONFIG_ENABLE_OPT,CONFIG_FHANDLE,$(@D)/.config)
> +		$(call KCONFIG_ENABLE_OPT,CONFIG_AUTOFS4_FS,$(@D)/.config)
> +		$(call KCONFIG_ENABLE_OPT,CONFIG_TMPFS_POSIX_ACL,$(@D)/.config)
> +		$(call KCONFIG_ENABLE_OPT,CONFIG_TMPFS_POSIX_XATTR,$(@D)/.config))
>  	$(if $(BR2_LINUX_KERNEL_APPENDED_DTB),
>  		$(call KCONFIG_ENABLE_OPT,CONFIG_ARM_APPENDED_DTB,$(@D)/.config))
>  	yes '' | $(TARGET_MAKE_ENV) $(MAKE1) $(LINUX_MAKE_FLAGS) -C $(@D) oldconfig
> diff --git a/package/systemd/Config.in b/package/systemd/Config.in
> index eacc23c..4f180a1 100644
> --- a/package/systemd/Config.in
> +++ b/package/systemd/Config.in
> @@ -26,8 +26,20 @@ config BR2_PACKAGE_SYSTEMD
>  	  elaborate transactional dependency-based service control logic.
>  	  It can work as a drop-in replacement for sysvinit.
>  
> -	  Systemd requires a Linux kernel >= 3.0, with inotify, devtmpfs,
> -	  tmpfs vfs and tmpfs POSIX ACL enabled.
> +	  Systemd requires a Linux kernel >= 3.0 with the following options
> +	  enabled:
> +
> +	  - CONFIG_CGROUPS
> +	  - CONFIG_INOTIFY_USER
> +	  - CONFIG_FHANDLE
> +	  - CONFIG_AUTOFS4_FS
> +	  - CONFIG_TMPFS_POSIX_ACL
> +	  - CONFIG_TMPFS_XATTR
> +
> +	  These options will be automatically enabled by Buildroot if
> +	  it is responsible for building the kernel. Otherwise, if you
> +	  are building your kernel outside of Buildroot, make sure
> +	  these options are enabled.
>  
>  	  Systemd also provides udev, the userspace device daemon.
>  
>

On Tue, Feb 25, 2014 at 6:04 PM, Arnout Vandecappelle <arnout@mind.be> wrote:
> On 24/02/14 10:25, Eric Le Bihan wrote:
>> When systemd is chosen as init system, the required kernel features are
>> enabled.
>>
>> Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
>
> Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

Reviewed-by: Samuel Martin <s.martin49@gmail.com>

>
>  However, it would be good to add the same information to the end of
> docs/manual/configure.txt

May be good indeed, but it can be done in another patch.


Regards,