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由 Rusty Russell 提交于
rmmod has a little-used "-w" option, meaning that instead of failing if the module is in use, it should block until the module becomes unused. In this case, we don't need to use stop_machine: Max Krasnyansky indicated that would be useful for SystemTap which loads/unloads new modules frequently. Cc: Max Krasnyansky <maxk@qualcomm.com> Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
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