Re: [PATCH 0/6] drivers/dma: drop modular code from non modular drivers
From: Paul Gortmaker
Date: Wed Dec 09 2015 - 19:20:22 EST
[Re: [PATCH 0/6] drivers/dma: drop modular code from non modular drivers] On 10/12/2015 (Thu 00:29) Arnd Bergmann wrote:
> 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.
Thanks for the feedback -- just to clarify, you are suggesting I hold
on the series until I see what emerges in the next merge window?
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