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 <hauke@hauke-m.de> Acked-by: John Crispin <john@phrozen.org>
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@ -745,3 +745,17 @@ menu "Filesystem ACL and attr support options"
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default y if USE_FS_ACL_ATTR
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default y if USE_FS_ACL_ATTR
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endmenu
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endmenu
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config KERNEL_DEVMEM
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bool "/dev/mem virtual device support"
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help
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Say Y here if you want to support the /dev/mem device.
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The /dev/mem device is used to access areas of physical
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memory.
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config KERNEL_DEVKMEM
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bool "/dev/kmem virtual device support"
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help
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Say Y here if you want to support the /dev/kmem device. The
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/dev/kmem device is rarely used, but can be used for certain
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kind of kernel debugging operations.
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