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Staging: rar_register: provide better explanation in Kconfig
Provides a better explanation of what this driver is for in the Kconfig file Signed-off-by: Mark Allyn <mark.a.allyn@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -14,4 +14,17 @@ config RAR_REGISTER
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contents of the restricted access region control
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registers.
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The restricted access region control registers
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(rar_registers) are used to pass address and
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locking information on restricted access regions
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to other drivers that use restricted access regions
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The restricted access regions are regions of memory
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on the Intel MID Platform that are not accessible to
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the x86 processor, but are accessible to dedicated
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processors on board peripheral devices.
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The purpose of the restricted access regions is to
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protect sensitive data from compromise by unauthorized
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programs running on the x86 processor.
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endmenu
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