Messages in this thread | | | Subject | Re: [PATCH] arm64: KVM: VHE: save and restore some PSTATE bits | From | Vladimir Murzin <> | Date | Wed, 6 Sep 2017 13:00:15 +0100 |
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On 06/09/17 11:35, gengdongjiu wrote: > Vladimir, > > On 2017/9/6 17:41, Vladimir Murzin wrote: >> Can you please elaborate on cases where PAN is not enabled? > > I mean the informal private usage, For example, he disabled the PAN dynamically to let kernel space to access the user space. > After he dynamic disabled the PAN, then switched to guest OS. after return to host. he found the PAN stage is modified. > Of cause this is not a formal usage, in our host kernel, it is always enabled, no dynamic change, but I means it may exist such cases. > >
So, in short, there is no real issue with PAN, right? What about UAO?
Cheers Vladimir
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