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    SubjectRe: [PATCH v4 01/15] ARM: export arm_pm_restart()
    On Tue, Jan 08, 2019 at 06:58:04PM +0100, Lubomir Rintel wrote:
    > The OLPC XO 1.75 laptop is rebooted with a command to the Embedded
    > Controller. The EC driver should be a module, since most people don't need
    > it to be compiled in.

    Why do you need this - is there a reason why you can't hook onto the
    restart_handler_list using register_restart_handler()? The registered
    handlers are passed the command.

    I would rather this is not exported to modules, it is generally unsafe
    to hook stuff by directly poking function pointers from module code.

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