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authorJames Hogan <james.hogan@imgtec.com>2016-06-14 09:40:13 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2016-06-14 11:16:23 +0200
commit9887d1c75ba2f210b403d536ab025d4b2b36fb57 (patch)
treeaf76426f0e2265dd0017b2a427d898a5f4f44116 /arch/mips/kvm/emulate.c
parent1e09e86ac13747903501004082bf1c5b7c6262b2 (diff)
downloadop-kernel-dev-9887d1c75ba2f210b403d536ab025d4b2b36fb57.zip
op-kernel-dev-9887d1c75ba2f210b403d536ab025d4b2b36fb57.tar.gz
MIPS: KVM: Add kvm_asid_change trace event
Add a trace event for guest ASID changes, replacing the existing kvm_debug call. 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: kvm@vger.kernel.org Cc: linux-mips@linux-mips.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/mips/kvm/emulate.c')
-rw-r--r--arch/mips/kvm/emulate.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index fce08bd..ee0e61d 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -1082,11 +1082,10 @@ enum emulation_result kvm_mips_emulate_CP0(u32 inst, u32 *opc, u32 cause,
if ((KSEGX(vcpu->arch.gprs[rt]) != CKSEG0) &&
((kvm_read_c0_guest_entryhi(cop0) &
KVM_ENTRYHI_ASID) != nasid)) {
- kvm_debug("MTCz, change ASID from %#lx to %#lx\n",
+ trace_kvm_asid_change(vcpu,
kvm_read_c0_guest_entryhi(cop0)
- & KVM_ENTRYHI_ASID,
- vcpu->arch.gprs[rt]
- & KVM_ENTRYHI_ASID);
+ & KVM_ENTRYHI_ASID,
+ nasid);
/* Blow away the shadow host TLBs */
kvm_mips_flush_host_tlb(1);
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