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authorJames Hogan <james.hogan@imgtec.com>2016-06-14 09:40:16 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2016-06-14 11:16:25 +0200
commiteafc4ed206c562d205de9d2acf40d57616faaf03 (patch)
treeb57868327d1896a6370935928f51f90eec4d6346 /arch/mips/kvm
parent6398da1391ba9285aeb4fa3f4470f008bf730220 (diff)
MIPS: KVM: Dump guest tlbs if kvm_get_inst() fails
If kvm_get_inst() fails to find a guest TLB mapping for the guest PC then dump the guest TLB entries. The contents of the guest TLB is likely to be more interesting than the host TLB entries. 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: kvm@vger.kernel.org Cc: linux-mips@linux-mips.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/mips/kvm')
-rw-r--r--arch/mips/kvm/mmu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c
index 208f70409ccb..2f494ec5c939 100644
--- a/arch/mips/kvm/mmu.c
+++ b/arch/mips/kvm/mmu.c
@@ -346,6 +346,7 @@ u32 kvm_get_inst(u32 *opc, struct kvm_vcpu *vcpu)
kvm_err("%s: get_user_failed for %p, vcpu: %p, ASID: %#lx\n",
__func__, opc, vcpu, read_c0_entryhi());
kvm_mips_dump_host_tlbs();
+ kvm_mips_dump_guest_tlbs(vcpu);
local_irq_restore(flags);
return KVM_INVALID_INST;
}