[LEDE-DEV] [PATCH] kernel: add KERNEL_DEVMEM and KERNEL_DEVKMEM
John Crispin
john at phrozen.org
Sun Dec 18 23:27:58 PST 2016
On 17/12/2016 15:04, Hauke Mehrtens wrote:
> These options are needed to create /dev/mem or /dev/kmem .
> /dev/mem is needed by the io tool to access raw hardware memory, which
> is helpful when debugging and developing drivers.
>
> Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
Acked-by: John Crispin <john at phrozen.org>
> ---
> config/Config-kernel.in | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/config/Config-kernel.in b/config/Config-kernel.in
> index 3c69c86..3f30013 100644
> --- a/config/Config-kernel.in
> +++ b/config/Config-kernel.in
> @@ -745,3 +745,17 @@ menu "Filesystem ACL and attr support options"
> default y if USE_FS_ACL_ATTR
>
> endmenu
> +
> +config KERNEL_DEVMEM
> + bool "/dev/mem virtual device support"
> + help
> + Say Y here if you want to support the /dev/mem device.
> + The /dev/mem device is used to access areas of physical
> + memory.
> +
> +config KERNEL_DEVKMEM
> + bool "/dev/kmem virtual device support"
> + help
> + Say Y here if you want to support the /dev/kmem device. The
> + /dev/kmem device is rarely used, but can be used for certain
> + kind of kernel debugging operations.
>
More information about the Lede-dev
mailing list