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Re: [PATCH] um: add dummy ioremap and iounmap functions

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  Re: [PATCH] um: add dummy ioremap and iounmap functions Al Viro <viro@ZenIV.linux.org.uk> - 2017-05-25 00:10 +0200

#1649995 — Re: [PATCH] um: add dummy ioremap and iounmap functions

On Wed, May 24, 2017 at 04:00:52PM -0600, Logan Gunthorpe wrote:
> The user mode architecture does not provide ioremap or iounmap, and
> because of this, the arch won't build when the functions are used in some
> core libraries.
> 
> I have designs to use these functions in scatterlist.c where they'd
> almost certainly never be called on the um architecture but it does need
> to compile.

Then make it fail there.

Incidentally, s390 has ioremap() only when CONFIG_PCI is set.

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