Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH 0/6] drivers/dma: drop modular code from non modular drivers | Date | Thu, 10 Dec 2015 00:29:27 +0100 |
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On Wednesday 09 December 2015 18:21:56 Paul Gortmaker wrote: > This series of commits is a slice of a larger project to ensure > people don't have dead code for module removal in non-modular > drivers. Overall there is roughly 5k lines of dead code in the > kernel due to this. > > There is a quasi-separate theme, in that some of the drivers were > allowing an unbind implicitly since it is enabled by default. But > for core DMA infrastructure drivers, this doesn't seem useful -- so > we also disable that here which allows us to delete any ".remove" > functions from the drivers that would otherwise be called during the > (impossible to trigger) module removal. > > Since ARM covers these files the best of all architectures, each > file was build tested for allmodconfig on ARM, which at the same > time confirms that the files are not built with "CC [M]" -- hence > genuinely non-modular. > > My testing and the larger patch series in general has been done > against the latest linux-next tree. > >
We are in the process of changing the DMA drivers to a new way of passing the "filter" function around. We can soon build them all as loadable modules again.
Arnd
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