RE: [PATCH v2 0/4] KVM: arm64: BUG FIX: Correctly handle zero register transfers

2015-12-04 Thread Pavel Fedin
Hello! > Thanks a lot for respining this quickly. I just had a few minor > comments, so this is almost ready to go. If you can fix that Damn, the rest of reviews got stuck somewhere and arrived later, so i've just sent v3 without wrap fix. Will correct it. Kind regards, Pavel Fedin Expert

Re: [PATCH v2 0/4] KVM: arm64: BUG FIX: Correctly handle zero register transfers

2015-12-04 Thread Marc Zyngier
On 04/12/15 10:25, Pavel Fedin wrote: > ARM64 CPU has zero register which is read-only, with a value of 0. > However, KVM currently incorrectly recognizes it being SP (because > Rt == 31, and in struct user_pt_regs 'regs' array is followed by SP), > resulting in invalid value being read, or even