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MIPS: KVM: Emulate RDHWR CPUNum register 

Actually provide the VCPU number when emulating the RDHWR CPUNum
register, so that it will match the CPUNum field of CP0_EBase register,
rather than always returning 0.

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
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
James Hogan 2016-06-15 19:29:55 +01:00 committed by Paolo Bonzini
parent cef061d086
commit cf1fb0f29d
1 changed files with 1 additions and 1 deletions
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2
arch/mips/kvm/emulate.c
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@ -2307,7 +2307,7 @@ enum emulation_result kvm_mips_handle_ri(u32 cause, u32 *opc,
} }
switch (rd) { switch (rd) {
case MIPS_HWR_CPUNUM: /* CPU number */ case MIPS_HWR_CPUNUM: /* CPU number */
arch->gprs[rt] = 0; arch->gprs[rt] = vcpu->vcpu_id;
break; break;
case MIPS_HWR_SYNCISTEP: /* SYNCI length */ case MIPS_HWR_SYNCISTEP: /* SYNCI length */
arch->gprs[rt] = min(current_cpu_data.dcache.linesz, arch->gprs[rt] = min(current_cpu_data.dcache.linesz,