Re: [PATCH] configfs: change depends -> select SYSFS

[Al Viro]

On Sun, Jan 16, 2011 at 03:11:57PM -0800, Linus Torvalds wrote:
> Why the hell should a OCFS2 user have to know that he needs to enable
> configfs to be able to enable ocfs2?
> 
> The thing is, we should do exactly the reverse of what you say, and
> work towards the goal of "depends on" going away. Right now, the main
> reason to use "depends on" is actually just that our Kconfig solvers
> are stupid, and don't generally handle "select" very well. But that's
> hopefully getting fixed.

How do you eliminate things like "it really depends on having DMA"?
When we configure e.g. s390 or uml kernel, it's not like we could
enable a PCI driver and have architecture magically switch to a
PCI-supporting one, after all...
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