Re: [PATCH v8 6/9] KVM: arm64: Add vcpu feature flags to control ptrauth accessibility

2019-04-07 Thread Amit Daniel Kachhap
Hi, On 4/5/19 4:32 PM, Dave Martin wrote: On Tue, Apr 02, 2019 at 07:57:14AM +0530, Amit Daniel Kachhap wrote: Since Pointer authentication will be enabled or disabled on a per-vcpu basis, vcpu feature flags are added in order to know which vcpus have it enabled from userspace. This features

Re: [PATCH v8 6/9] KVM: arm64: Add vcpu feature flags to control ptrauth accessibility

2019-04-05 Thread Dave Martin
On Tue, Apr 02, 2019 at 07:57:14AM +0530, Amit Daniel Kachhap wrote: > Since Pointer authentication will be enabled or disabled on a > per-vcpu basis, vcpu feature flags are added in order to know which > vcpus have it enabled from userspace. > > This features will allow the KVM guest to allow

[PATCH v8 6/9] KVM: arm64: Add vcpu feature flags to control ptrauth accessibility

2019-04-01 Thread Amit Daniel Kachhap
Since Pointer authentication will be enabled or disabled on a per-vcpu basis, vcpu feature flags are added in order to know which vcpus have it enabled from userspace. This features will allow the KVM guest to allow the handling of pointer authentication instructions or to treat them as undefined