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SubjectRe: [PATCH] um: mark CONFIG_HIGHMEM as broken
Date
Am Freitag 12 November 2010, 20:29:04 schrieb Andrew Morton:
> On Fri, 12 Nov 2010 00:18:08 +0100
>
> Richard Weinberger <richard@nod.at> wrote:
> > Currently CONFIG_HIGHMEM is broken on User Mode Linux.
> > I'm not sure if it worked ever.
>
> What is "broken" about it?

Currently it does not even build.
This is very annoying when using "make randconfig".

And it was never stable.
See commit ce2d2aed:
commit ce2d2aedcc3ca582fed90f44970e8b3e4f006a7d
Author: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Date: Wed Jan 18 17:42:59 2006 -0800

[PATCH] uml: arch Kconfig menu cleanups

*) mark as "EXPERIMENTAL" various items that either aren't very stable or
that are actively crashing the setup of users which don't really need them
(i.e. HIGHMEM and 3-level pagetables on x86 - nobody needs either,
everybody reports "I'm using it and getting trouble").

*) move net/Kconfig near to the rest of network configurations, and
drivers/block/Kconfig near "Block layer" submenu.

*) it's useless and doesn't work well to force NETDEVICES on and to disable
the prompt like it's done. Better remove the attempt, and change that to a
simple "default y if UML".

*) drop the warning about "report problems about HPPFS" - it's redundant
anyway, as that's the usual procedure, and HPPFS users are especially
technical (i.e. they know reporting bugs is _good_).

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Thanks,
//richard


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