Hi Masami, On Thu, 03 Jul 2014 14:46:09 +0900, Masami Hiramatsu wrote: > One possible scenario is here; someone disables an event and tries to remove > it (both will be done by different syscalls). If we don't synchronize > the first disabling, the event flag set disabled, but the event itself > is not disabled. Thus event handler is still possible to be running > somewhere when it is removed.
But, IIUC both of disable and remove path are protected by event_mutex. So one cannot see the case of disabled event flag but enabled event, no? Thanks, Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/