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authorAl Viro <viro@ftp.linux.org.uk>2007-02-11 18:15:29 +0000
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-11 11:18:07 -0800
commit23db764d3db5a4bb1e104ad9310e5dc18e4ffa1b (patch)
treed8a944f4e0ac27adda477295886cfbe08f0f73cb /init
parent5ea8176994003483a18c8fed580901e2125f8a83 (diff)
[PATCH] Switch s390 to NO_IOMEM
Martin Schwidefsky wrote: "s390 does not even need (in|out)b(_p|). I wondered what else from io.h do we not need. The answer is: almost nothing. With the devres patch from Al and the dma-mapping patch from Heiko we can get rid of iomem and all associated definitions." So we'll just need to replace NO_IOPORT with NO_IOMEM in Kconfig and kill arch/s390/mm/ioremap.c. BTW, there's an annoying bit of junk in there - IO_SPACE_LIMIT. We only need it for /proc/ioports, which AFAICS shouldn't even be there on s390 (or uml). OTOH, removing that thing would mean a user-visible change - we go from "empty file in /proc" to "no such file in /proc"... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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