Il 28/03/2014 08:33, Wu, Feng ha scritto:
In my understanding it is needed, from Intel SDM:
"Every access to a linear address is either a supervisor-mode access
or a user-mode access. All accesses performed while the current
privilege level (CPL) is less than 3 are supervisor-mode accesses.
If C
> -Original Message-
> From: Paolo Bonzini [mailto:paolo.bonz...@gmail.com] On Behalf Of Paolo
> Bonzini
> Sent: Thursday, March 27, 2014 7:47 PM
> To: Wu, Feng; g...@redhat.com; h...@zytor.com; kvm@vger.kernel.org
> Subject: Re: [PATCH 3/4] KVM: Add SMAP support when s
> -Original Message-
> From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On
> Behalf Of Paolo Bonzini
> Sent: Friday, March 28, 2014 2:23 PM
> To: Zhang, Yang Z; Wu, Feng; g...@redhat.com; h...@zytor.com;
> kvm@vger.kernel.org
> Subject: Re: [PAT
Il 28/03/2014 06:47, Zhang, Yang Z ha scritto:
>> + smap = smap && u && !uf &&
>> + !((kvm_x86_ops->get_cpl(vcpu) < 3) &&
>> + ((kvm_x86_ops->get_rflags(vcpu) &
>> +
Paolo Bonzini wrote on 2014-03-27:
> Il 27/03/2014 13:25, Feng Wu ha scritto:
>> +void update_permission_bitmask(struct kvm_vcpu *vcpu,
>> struct kvm_mmu *mmu, bool ept)
>> {
>> unsigned bit, byte, pfec;
>> u8 map;
>> -bool fault, x, w, u, wf, uf, ff, smep;
>> +bool
Il 27/03/2014 13:25, Feng Wu ha scritto:
+void update_permission_bitmask(struct kvm_vcpu *vcpu,
struct kvm_mmu *mmu, bool ept)
{
unsigned bit, byte, pfec;
u8 map;
- bool fault, x, w, u, wf, uf, ff, smep;
+ bool fault, x, w, u, wf, uf, ff, smep, smap;
