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* x86/lguest: Remove lguest supportJuergen Gross2017-08-241-26/+0
| | | | | | | | | | | | | | | | | | | | Lguest seems to be rather unused these days. It has seen only patches ensuring it still builds the last two years and its official state is "Odd Fixes". Remove it in order to be able to clean up the paravirt code. Signed-off-by: Juergen Gross <jgross@suse.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: boris.ostrovsky@oracle.com Cc: lguest@lists.ozlabs.org Cc: rusty@rustcorp.com.au Cc: xen-devel@lists.xenproject.org Link: http://lkml.kernel.org/r/20170816173157.8633-3-jgross@suse.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
* lguest: remove support for lguest bus.Rusty Russell2015-02-111-3/+0
| | | | | | The demonstration launcher now uses PCI entirely. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* lguest: move the lguest tool to the tools directoryDavidlohr Bueso2012-01-121-1/+1
| | | | | | | This is a better location instead of having it in Documentation. Signed-off-by: Davidlohr Bueso <dave@gnu.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (fixed compile)
* Correct occurrences ofRob Landley2011-05-061-1/+1
| | | | | | | | | | - Documentation/kvm/ to Documentation/virtual/kvm - Documentation/uml/ to Documentation/virtual/uml - Documentation/lguest/ to Documentation/virtual/lguest throughout the kernel source tree. Signed-off-by: Rob Landley <rob@landley.net> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
* lguest: Add puppies which where previously missing.Tim Ansell2008-03-281-0/+8
| | | | | | | lguest doesn't have features, it has puppies! Signed-off-by: Timothy R Ansell <mithro@mithis.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* Lguest support for VirtioRusty Russell2007-10-231-0/+3
| | | | | | | | | | | | | | | | | | This makes lguest able to use the virtio devices. We change the device descriptor page from a simple array to a variable length "type, config_len, status, config data..." format, and implement virtio_config_ops to read from that config data. We use the virtio ring implementation for an efficient Guest <-> Host virtqueue mechanism, and the new LHCALL_NOTIFY hypercall to kick the host when it changes. We also use LHCALL_NOTIFY on kernel addresses for very very early console output. We could have another hypercall, but this hack works quite well. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* Remove old lguest I/O infrrasructure.Rusty Russell2007-10-231-1/+1
| | | | | | | | | | | This patch gets rid of the old lguest host I/O infrastructure and replaces it with a single hypercall "LHCALL_NOTIFY" which takes an address. The main change is the removal of io.c: that mainly did inter-guest I/O, which virtio doesn't yet support. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* Remove old lguest bus and drivers.Rusty Russell2007-10-231-3/+0
| | | | | | | This gets rid of the lguest bus, drivers and DMA mechanism, to make way for a generic virtio mechanism. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* Move i386 part of core.c to x86/core.c.Jes Sorensen2007-10-231-1/+1
| | | | | | | | Separate i386 architecture specific from core.c and move it to x86/core.c and add x86/lguest.h header file to match. Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* Rename switcher.S to x86/switcher_32.SRusty Russell2007-10-231-2/+4
| | | | | | | | lguest uses a "switcher" shim mapped high to bounce between host and guest. As lguest becomes less i386-centric, we separate this code into a subdir. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* Move lguest guest support to arch/x86.Rusty Russell2007-10-231-2/+2
| | | | | | | | | Lguest has two sides: host support (to launch guests) and guest support (replacement boot path and paravirt_ops). This moves the guest side to arch/x86/lguest where it's closer to related code. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de>
* lguest: documentation I: PreparationRusty Russell2007-07-261-0/+12
| | | | | | | | | | | The netfilter code had very good documentation: the Netfilter Hacking HOWTO. Noone ever read it. So this time I'm trying something different, using a bit of Knuthiness. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* lguest: the Makefile and KconfigRusty Russell2007-07-191-0/+7
This is the Kconfig and Makefile to allow lguest to actually be compiled. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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