[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v3 09/10] nVMX: virutalize VPID capability to nested VMM.
>>> On 20.12.12 at 16:43, Xiantao Zhang <xiantao.zhang@xxxxxxxxx> wrote: > +int nvmx_handle_invvpid(struct cpu_user_regs *regs) > +{ > + struct vmx_inst_decoded decode; > + unsigned long vpid; > + u64 inv_type; > + > + if ( !cpu_has_vmx_vpid ) > + return X86EMUL_EXCEPTION; Same problem here - you mustn't return X86EMUL_EXCEPTION without also raising an exception. Jan > + > + if ( decode_vmx_inst(regs, &decode, &vpid, 0) != X86EMUL_OKAY ) > + return X86EMUL_EXCEPTION; > + > + inv_type = reg_read(regs, decode.reg2); > + gdprintk(XENLOG_DEBUG,"inv_type:%ld, vpid:%lx\n", inv_type, vpid); > + > + switch ( inv_type ) { > + /* Just invalidate all tlb entries for all types! */ > + case INVVPID_INDIVIDUAL_ADDR: > + case INVVPID_SINGLE_CONTEXT: > + case INVVPID_ALL_CONTEXT: > + hvm_asid_flush_vcpu_asid(&vcpu_nestedhvm(current).nv_n2asid); > + break; > + default: > + return X86EMUL_EXCEPTION; > + } > + vmreturn(regs, VMSUCCEED); > + > + return X86EMUL_OKAY; > +} > + > /* > * Capability reporting > */ _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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