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linux/arch/mips/kvm
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James Hogan a1ecc54d7e KVM: MIPS/T&E: Don't treat code fetch faults as MMIO 
In order to make use of the CP0_BadInstr & CP0_BadInstrP registers we
need to be a bit more careful not to treat code fetch faults as MMIO,
lest we hit an UNPREDICTABLE register value when we try to emulate the
MMIO load instruction but there was no valid instruction word available
to the hardware.

Add a kvm_is_ifetch_fault() helper to try to figure out whether a load
fault was due to a code fetch, and prevent MMIO instruction emulation in
that case.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
2017-02-03 15:21:05 +00:00
..
00README.txt
callback.c MIPS: KVM: Convert EXPORT_SYMBOL to _GPL 2016-01-24 03:13:24 +01:00
commpage.c MIPS: kvm: Audit and remove any unnecessary uses of module.h 2016-10-05 01:31:20 +02:00
commpage.h MIPS: KVM: Rename files to remove the prefix "kvm_" and "kvm_mips_" 2014-06-30 16:52:03 +02:00
dyntrans.c KVM: MIPS: Use uaccess to read/modify guest instructions 2017-02-03 15:21:01 +00:00
emulate.c KVM: MIPS/MMU: Drop kvm_get_new_mmu_context() 2017-02-03 15:21:04 +00:00
entry.c KVM: MIPS: Add fast path TLB refill handler 2017-02-03 15:20:53 +00:00
fpu.S MIPS: KVM: Fix fpu.S misassembly with r6 2016-07-05 16:09:11 +02:00
interrupt.c MIPS: kvm: Audit and remove any unnecessary uses of module.h 2016-10-05 01:31:20 +02:00
interrupt.h MIPS; KVM: Convert exception entry to uasm 2016-07-05 16:08:46 +02:00
Kconfig MIPS; KVM: Convert exception entry to uasm 2016-07-05 16:08:46 +02:00
Makefile MIPS; KVM: Convert exception entry to uasm 2016-07-05 16:08:46 +02:00
mips.c KVM: MIPS: Drop vm_init() callback 2017-02-03 15:21:00 +00:00
mmu.c KVM: MIPS/MMU: Drop kvm_get_new_mmu_context() 2017-02-03 15:21:04 +00:00
msa.S MIPS: KVM: Add base guest MSA support 2015-03-27 21:25:19 +00:00
stats.c MIPS: KVM: Clean up kvm_exit trace event 2016-06-14 11:16:23 +02:00
tlb.c KVM: MIPS/Emulate: Drop redundant TLB flushes on exceptions 2017-02-03 15:21:03 +00:00
trace.h MIPS: KVM: Combine entry trace events into class 2016-06-23 19:17:30 +02:00
trap_emul.c KVM: MIPS/T&E: Don't treat code fetch faults as MMIO 2017-02-03 15:21:05 +00:00