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

From	Al Viro <viro@ZenIV.linux.org.uk>
Newsgroups	linux.kernel
Subject	Re: [PATCH] um: add dummy ioremap and iounmap functions
Date	2017-05-25 00:10 +0200
Message-ID	<tKMDD-84u-11@gated-at.bofh.it> (permalink)
References	<tKMDD-84u-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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

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