| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Wed, 31 Jan 2007 17:02:03 +0200 From: Avi Kivity <avi@...ranet.com> To: akpm@...l.org CC: kvm-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org, mingo@...e.hu Subject: Re: [PATCH] KVM: Fix lockup on 32-bit intel hosts with nx disabled in the bios Avi Kivity wrote: > Intel hosts, without long mode, and with nx support disabled in the bios > have an efer that is readable but not writable. This causes a lockup on > switch to guest mode (even though it should exit with reason 34 according to > the documentation). > > Andrew, I believe this is 2.6.20 material. > Signed-off-by: Avi Kivity <avi@...ranet.com> > > Index: linux-2.6/drivers/kvm/vmx.c > =================================================================== > --- linux-2.6.orig/drivers/kvm/vmx.c > +++ linux-2.6/drivers/kvm/vmx.c > @@ -1128,6 +1128,8 @@ static int vmx_vcpu_setup(struct kvm_vcp > > if (rdmsr_safe(index, &data_low, &data_high) < 0) > continue; > + if (wrmsr_safe(index, data_low, data_high) < 0) > + continue; > data = data_low | ((u64)data_high << 32); > vcpu->host_msrs[j].index = index; > vcpu->host_msrs[j].reserved = 0; > -- error compiling committee.c: too many arguments to function - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists