On 06/29/2011 01:53 PM, Xiao Guangrong wrote:
On 06/29/2011 04:21 PM, Avi Kivity wrote: >> >> - if (kvm_read_guest_virt(ctxt, addr, val, bytes, exception) >> - == X86EMUL_CONTINUE) >> + if (!kvm_read_guest(vcpu->kvm, gpa, val, bytes)) >> return X86EMUL_CONTINUE; > > This doesn't perform the cpl check. > Firstly, it calls kvm_mmu_gva_to_gpa_read to translate gva to gpa, and cpl is checked in this function, it is not enough?
You are right, it is enough. I don't know how I missed it. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
