Messages in this thread |  | | Date | Tue, 8 Jan 2013 10:27:54 -0500 (EST) | From | Alan Stern <> | Subject | Re: [PATCH v6 0/4] block layer runtime pm |
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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
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