From 6e7fdf07b7134fddff0e0c9e24bd39d1ed4b4954 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sat, 17 Dec 2016 15:00:59 +0100 Subject: [PATCH] kernel: add KERNEL_DEVMEM and KERNEL_DEVKMEM 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 Acked-by: John Crispin --- config/Config-kernel.in | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/config/Config-kernel.in b/config/Config-kernel.in index 3c69c8648b..3f30013845 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.