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c2537ed9fb
linux/arch/mips
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James Hogan c2537ed9fb MIPS: KVM: Add MSA exception handling 
Add guest exception handling for MIPS SIMD Architecture (MSA) floating
point exceptions and MSA disabled exceptions.

MSA floating point exceptions from the guest need passing to the guest
kernel, so for these a guest MSAFPE is emulated.

MSA disabled exceptions are normally handled by passing a reserved
instruction exception to the guest (because no guest MSA was supported),
but the hypervisor can now handle them if the guest has MSA by passing
an MSA disabled exception to the guest, or if the guest has MSA enabled
by transparently restoring the guest MSA context and enabling MSA and
the FPU.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
2015-03-27 21:25:20 +00:00
..
alchemy Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-02-21 19:41:38 -08:00
ar7 mips: Convert pr_warning to pr_warn 2014-11-24 07:44:51 +01:00
ath25 MIPS: ath25: add Wireless device support 2014-11-24 07:45:29 +01:00
ath79 MIPS: ath79: Read the initrd address from the firmware environment 2014-11-24 07:45:30 +01:00
bcm47xx MIPS: BCM47XX: Clean up nvram header 2014-11-24 07:45:08 +01:00
bcm63xx MIPS: Remove useless parentheses 2014-11-24 07:44:49 +01:00
bcm3384 MIPS: BCM3384: Fix outdated use of mips_cpu_intc_init() 2015-02-19 13:47:55 +01:00
boot Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-02-21 19:41:38 -08:00
cavium-octeon Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-02-21 19:41:38 -08:00
cobalt
configs Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-02-21 19:41:38 -08:00
dec Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2014-06-09 18:10:34 -07:00
emma
fw MIPS: ARC: Use __noreturn / unreachable in ARC termination functions. 2015-01-13 16:04:27 +01:00
include MIPS: KVM: Add MSA exception handling 2015-03-27 21:25:20 +00:00
jazz
jz4740 MTD updates for 3.20-rc1 2015-02-18 08:01:44 -08:00
kernel MIPS: KVM: Add base guest MSA support 2015-03-27 21:25:19 +00:00
kvm MIPS: KVM: Add MSA exception handling 2015-03-27 21:25:20 +00:00
lantiq Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
lasat MIPS: Lasat: Add missing CONFIG_PROC_FS dependency to PICVUE_PROC 2014-10-21 17:35:44 +02:00
lib MIPS: lib: memset: Add MIPS R6 support 2015-02-17 15:37:30 +00:00
loongson Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2014-12-11 17:56:37 -08:00
loongson1 MIPS: Loongson1B: Add a clockevent/clocksource using PWM Timer 2014-11-24 07:45:09 +01:00
math-emu MIPS: Handle MIPS IV, V and R2 FPU instructions on MIPS R6 as well 2015-02-17 15:37:37 +00:00
mm Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-02-21 19:41:38 -08:00
mti-malta MIPS: Replace use of phys_t with phys_addr_t. 2014-11-24 22:47:31 +01:00
mti-sead3 MIPS: sead3: Corrected get_c0_perfcount_int 2015-02-20 23:53:09 +01:00
net module: remove mod arg from module_free, rename module_memfree(). 2015-01-20 11:38:33 +10:30
netlogic mips: use %*pb[l] to print bitmaps including cpumasks and nodemasks 2015-02-13 21:21:36 -08:00
oprofile MIPS: oprofile: Backtrace: don't fail on leaf functions 2014-11-24 07:45:31 +01:00
paravirt mips: Update the email address of Geert Uytterhoeven 2014-06-02 16:34:41 +02:00
pci MIPS: PCI: Add struct pci_ops member names to initialization 2015-01-22 13:55:31 -06:00
pmcs-msp71xx kconfig: use bool instead of boolean for type definition attributes 2015-01-07 13:08:04 +01:00
pnx833x MIPS: PNX833x: Remove checks for CONFIG_I2C_PNX0105 2014-05-23 15:12:39 +02:00
power nosave: consolidate __nosave_{begin,end} in <asm/sections.h> 2014-10-09 22:26:04 -04:00
ralink Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
rb532 MIPS: Replace use of phys_t with phys_addr_t. 2014-11-24 22:47:31 +01:00
sgi-ip22 MIPS: ip22-gio: Remove legacy suspend/resume support 2015-02-20 13:30:55 +01:00
sgi-ip27 MIPS: IP27: Use __noreturn instead of open coded attributes in declarations. 2015-01-13 16:04:28 +01:00
sgi-ip32 MIPS: IP32: Use __noreturn instead of open coded attributes in declarations. 2015-01-13 16:04:28 +01:00
sibyte MIPS: Replace use of phys_t with phys_addr_t. 2014-11-24 22:47:31 +01:00
sni
txx9 Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
vr41xx
Kbuild MIPS: net: Add BPF JIT 2014-05-30 16:10:20 +02:00
Kbuild.platforms MIPS: ath25: add common parts 2014-11-24 07:45:26 +01:00
Kconfig Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-02-21 19:41:38 -08:00
Kconfig.debug MIPS: kernel: elf: Improve the overall ABI and FPU mode checks 2015-02-17 15:37:39 +00:00
Makefile MIPS: boot: Provide more uImage options 2015-02-20 14:17:43 +01:00