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955d8dc3ee
linux/arch/mips
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James Hogan 955d8dc3ee KVM: MIPS: Implement HYPCALL emulation 
Emulate the HYPCALL instruction added in the VZ ASE and used by the MIPS
paravirtualised guest support that is already merged. The new hypcall.c
handles arguments and the return value. No actual hypercalls are yet
supported, but this still allows us to safely step over hypercalls and
set an error code in the return value for forward compatibility.

Non-zero HYPCALL codes are not handled.

We also document the hypercall ABI which asm/kvm_para.h uses.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Andreas Herrmann <andreas.herrmann@caviumnetworks.com>
Cc: David Daney <david.daney@cavium.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Cc: linux-doc@vger.kernel.org
2017-03-28 14:53:33 +01:00
..
alchemy MIPS changes for v4.11 2017-02-21 14:21:11 -08:00
ar7 MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
ath25 genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
ath79 MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
bcm47xx MIPS: BCM47XX: Fix button inversion for Asus WL-500W 2017-02-17 11:16:46 +00:00
bcm63xx MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
bmips MIPS: BMIPS: Support APPENDED_DTB 2016-10-06 17:31:02 +02:00
boot MIPS: DTS: Add img directory to Makefile 2017-02-17 11:16:46 +00:00
cavium-octeon MIPS: Add missing include files 2017-03-08 10:38:06 +01:00
cobalt MIPS: Cobalt: Fix typo 2016-08-03 08:16:30 +02:00
configs MIPS changes for v4.11 2017-02-21 14:21:11 -08:00
dec MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
emma MIPS: Avoid old-style declaration 2017-01-25 02:51:11 +01:00
fw MIPS: Fix misspellings in comments. 2016-04-03 12:32:09 +02:00
generic MIPS: generic/kexec: add support for a DTB passed in a separate buffer 2017-01-03 16:34:46 +01:00
include KVM: MIPS: Implement HYPCALL emulation 2017-03-28 14:53:33 +01:00
jazz MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
jz4740 MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
kernel MIPS: Probe guest MVH 2017-03-28 14:49:15 +01:00
kvm KVM: MIPS: Implement HYPCALL emulation 2017-03-28 14:53:33 +01:00
lantiq MIPS: Lantiq: Keep ethernet enabled during boot 2017-02-17 11:14:29 +00:00
lasat MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
lib MIPS: Fix modversions 2017-01-24 18:30:35 +01:00
loongson32 MIPS: Loongson1B: Change the OSC clock name 2017-01-03 16:48:40 +01:00
loongson64 MIPS: Add missing include files 2017-03-08 10:38:06 +01:00
math-emu sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h> 2017-03-02 08:42:38 +01:00
mm MIPS: Separate MAAR V bit into VL and VH for XPA 2017-03-28 14:49:01 +01:00
mti-malta MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
net treewide: remove redundant #include <linux/kconfig.h> 2016-10-11 15:06:33 -07:00
netlogic MIPS: Add missing include files 2017-03-08 10:38:06 +01:00
oprofile MIPS: Unify perf counter register definitions 2017-02-14 09:00:24 +00:00
paravirt sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h> 2017-03-02 08:42:36 +01:00
pci This is a tree wide change and has been kept separate for that reason. 2017-02-25 13:45:43 -08:00
pic32 MIPS: pic32mzda: Fix linker error for pic32_get_pbclk() 2017-02-17 11:14:29 +00:00
pistachio Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-08-06 09:13:11 -04:00
pmcs-msp71xx MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
pnx833x MIPS: Squash lines for simple wrapper functions 2016-10-04 16:13:57 +02:00
power
ralink MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
rb532 MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
sgi-ip22 MIPS: Add missing include files 2017-03-08 10:38:06 +01:00
sgi-ip27 MIPS: Add missing include files 2017-03-08 10:38:06 +01:00
sgi-ip32 MIPS: Add missing include files 2017-03-08 10:38:06 +01:00
sibyte sched/headers: Move task-stack related APIs from <linux/sched.h> to <linux/sched/task_stack.h> 2017-03-03 01:43:47 +01:00
sni char/genrtc: remove asm-generic/rtc.h from mips 2016-06-04 00:23:36 +02:00
txx9 MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
vdso MIPS: VDSO: Explicitly use -fno-asynchronous-unwind-tables 2017-02-17 11:32:12 +00:00
vr41xx MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
xilfpga MIPS: xilfpga: Use irqchip instead of the legacy way 2017-01-03 16:34:39 +01:00
Kbuild MIPS: Initial implementation of a VDSO 2015-11-11 08:36:36 +01:00
Kbuild.platforms MIPS: generic: Convert SEAD-3 to a generic board 2016-10-06 18:04:20 +02:00
Kconfig MIPS changes for v4.11 2017-02-21 14:21:11 -08:00
Kconfig.debug MIPS: Remove compact branch policy Kconfig entries 2016-09-13 14:14:50 +02:00
Makefile MIPS: Disable stack checks on MIPS kernels 2017-02-14 09:00:23 +00:00
Makefile.postlink MIPS: Fix distclean with Makefile.postlink 2017-02-13 18:57:34 +00:00