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2015-05-31um: Fix mconsole dependencyRichard Weinberger1-0/+1
mconsole depends on CONFIG_PROC_FS. Signed-off-by: Richard Weinberger <richard@nod.at>
2015-05-31um: Remove hppfsRichard Weinberger1-15/+0
hppfs (honeypot procfs) was an attempt to use UML as honeypot. It was never stable nor in heavy use. As Al Viro and Christoph Hellwig pointed some major issues out it is better to let it die. Signed-off-by: Richard Weinberger <richard@nod.at>
2015-04-15Merge tag 'for-linus-4.1' of ↵Linus Torvalds1-42/+0
git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML updates from Richard Weinberger: - hostfs saw a face lifting - old/broken stuff was removed (SMP, HIGHMEM, SKAS3/4) - random cleanups and bug fixes * tag 'for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: (26 commits) um: Print minimum physical memory requirement um: Move uml_postsetup in the init_thread stack um: add a kmsg_dumper x86, UML: fix integer overflow in ELF_ET_DYN_BASE um: hostfs: Reduce number of syscalls in readdir um: Remove broken highmem support um: Remove broken SMP support um: Remove SKAS3/4 support um: Remove ppc cruft um: Remove ia64 cruft um: Remove dead code from stacktrace hostfs: No need to box and later unbox the file mode hostfs: Use page_offset() hostfs: Set page flags in hostfs_readpage() correctly hostfs: Remove superfluous initializations in hostfs_open() hostfs: hostfs_open: Reset open flags upon each retry hostfs: Remove superfluous test in hostfs_open() hostfs: Report append flag in ->show_options() hostfs: Use __getname() in follow_link hostfs: Remove open coded strcpy() ...
2015-04-14um: expose number of page table levelsKirill A. Shutemov1-0/+5
We would want to use number of page table level to define mm_struct. Let's expose it as CONFIG_PGTABLE_LEVELS. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Richard Weinberger <richard@nod.at> Cc: Jeff Dike <jdike@addtoit.com> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-04-13um: Remove broken highmem supportRichard Weinberger1-12/+0
Highmem was always buggy and experimental on UML(i386). In times where 64 bit computers are default we can remove that experimental code. Signed-off-by: Richard Weinberger <richard@nod.at>
2015-04-13um: Remove broken SMP supportRichard Weinberger1-30/+0
At times where UML used the TT mode to operate it had kind of SMP support. It never got finished nor was stable. Let's rip out that cruft and stop confusing developers which do tree-wide SMP cleanups. If someone wants SMP support UML it has do be done from scratch. Signed-off-by: Richard Weinberger <richard@nod.at>
2013-01-11arch/um: remove depends on CONFIG_EXPERIMENTALKees Cook1-4/+4
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, remove it from any "depends on" lines in Kconfigs. CC: Jeff Dike <jdike@addtoit.com> CC: Richard Weinberger <richard@nod.at> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Richard Weinberger <richard@nod.at>
2012-05-21timers: Fixup the Kconfig consolidation falloutThomas Gleixner1-1/+0
Sigh, I missed to check which architecture Kconfig files actually include the core Kconfig file. There are a few which did not. So we broke them. Instead of adding the includes to those, we are better off to move the include to init/Kconfig like we did already with irqs and others. This does not change anything for the architectures using the old style periodic timer mode. It just solves the build wreckage there. For those architectures which use the clock events infrastructure it moves the include of the core Kconfig file to "General setup" which is a way more logical place than having it at random locations specified by the architecture specific Kconfigs. Reported-by: Ingo Molnar <mingo@kernel.org> Cc: Anna-Maria Gleixner <anna-maria@glx-um.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-11-02um: clean Kconfig up a bitAl Viro1-0/+6
* kill duplicates with drivers/char/Kconfig * take watchdog one into drivers/watchdog/Kconfig * take mmapper to arch/um/Kconfig.um * rename Kconfig.char menu to "UML Character Devices" Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2011-04-28uml: fix hppfs buildRandy Dunlap1-1/+1
Make HoneyPot ProcFS depend on CONFIG_PROC_FS so that it will build. Recommended by Christoph Hellwig. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=33692 Reported-by: Simon Danner <danner.simon@gmail.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Jeff Dike <jdike@addtoit.com> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-01-21genirq: Remove __do_IRQThomas Gleixner1-3/+0
All architectures are finally converted. Remove the cruft. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Mike Frysinger <vapier@gentoo.org> Cc: David Howells <dhowells@redhat.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Greg Ungerer <gerg@uclinux.org> Cc: Michal Simek <monstr@monstr.eu> Acked-by: David Howells <dhowells@redhat.com> Cc: Kyle McMartin <kyle@mcmartin.ca> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Chen Liqin <liqin.chen@sunplusct.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Jeff Dike <jdike@addtoit.com>
2011-01-13um: mark CONFIG_HIGHMEM as brokenRichard Weinberger1-1/+1
Currently CONFIG_HIGHMEM is broken on User Mode Linux. I'm not sure if it worked ever. It doesn't compile and this breaks randomconfig testing. Signed-off-by: Richard Weinberger <richard@nod.at> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-26um: migrate from __do_IRQ() to generic_handle_irq()Richard Weinberger1-0/+3
This patch removes __do_IRQ() from user mode linux. __do_IRQ is deprecated. Signed-off-by: Richard Weinberger <richard@nod.at> Cc: Jeff Dike <jdike@addtoit.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-26uml: define CONFIG_NO_DMAFUJITA Tomonori1-0/+3
I think that it's better to detect DMA misuse at build time rather than calling BUG_ON. Architectures that can't do DMA need to define CONFIG_NO_DMA. Thanks to Sam Ravnborg for explaining how CONFIG_NO_DMA and CONFIG_HAS_DMA work: http://marc.info/?l=linux-kernel&m=128359913825550&w=2 HAS_DMA is defined like this: config HAS_DMA boolean depends on !NO_DMA default y So to set HAS_DMA to true an arch should do: 1) Do not define NO_DMA 2) Define NO_DMA abd set it to 'n' Must archs - including um - used principle 1). In the um case we want to say that we do NOT have any DMA. This can be done in two ways. a) define NO_DMA and set it to 'y' b) redefine HAS_DMA and set it to 'n'. The patch you provided used principle b) where other archs use principle a). So I suggest you should use principle a) for um too. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Miklos Szeredi <miklos@szeredi.hu> Cc: Jeff Dike <jdike@addtoit.com> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-22x86, um: get rid of arch/um/Kconfig.archAl Viro1-0/+149
Teach scripts/kconfig/Makefile and top-level Makefile that arch/*/Makefile is allowed to say Kconfig := <whatever I want instead of arch/blah/Kconfig>. Rewrite arch/um/Kconfig and arch/um/Kconfig.<subarch> so that the latter would be top-level one (and include the pieces of the former). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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