On Tue, 8 Jan 2013, Aaron Lu wrote: > So this also reminds me that as long as CONFIG_PM_RUNTIME is selected, > the blk_pm_add/put/peek_request functions will be in the block IO path. > Shall we introduce a new config option to selectively build block > runtime PM functionality? something like CONFIG_BLK_PM_RUNTIME perhaps? > > Just some condition checks in those functions, not sure if it is worth a > new config though. Please suggest, thanks.
I don't think it is needed. The new routines will be very quick when blk_pm_runtime_init() hasn't been called, once you add back the checks for the queue's device. Alan Stern -- 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/
