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KVM: MIPS: Add guest exit exception callback

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Add a callback for MIPS KVM implementations to handle the VZ guest
exit exception. Currently the trap & emulate implementation contains a
stub which reports an internal error, but the callback will be used
properly by the VZ implementation.

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: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
This commit is contained in:
James Hogan
2017-03-14 10:15:24 +00:00
parent edab4fe1f6
commit 28c1e762b0
4 changed files with 32 additions and 0 deletions
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2
arch/mips/kvm/trace.h
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@@ -62,6 +62,7 @@ DEFINE_EVENT(kvm_transition, kvm_out,
#define KVM_TRACE_EXIT_MSA_FPE 14
#define KVM_TRACE_EXIT_FPE 15
#define KVM_TRACE_EXIT_MSA_DISABLED 21
#define KVM_TRACE_EXIT_GUEST_EXIT 27
/* Further exit reasons */
#define KVM_TRACE_EXIT_WAIT 32
#define KVM_TRACE_EXIT_CACHE 33
@@ -92,6 +93,7 @@ DEFINE_EVENT(kvm_transition, kvm_out,
{ KVM_TRACE_EXIT_MSA_FPE, "MSA FPE" }, \
{ KVM_TRACE_EXIT_FPE, "FPE" }, \
{ KVM_TRACE_EXIT_MSA_DISABLED, "MSA Disabled" }, \
{ KVM_TRACE_EXIT_GUEST_EXIT, "Guest Exit" }, \
{ KVM_TRACE_EXIT_WAIT, "WAIT" }, \
{ KVM_TRACE_EXIT_CACHE, "CACHE" }, \
{ KVM_TRACE_EXIT_SIGNAL, "Signal" }, \