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 <ha...@hauke-m.de>
---
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.
--
2.10.2
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