Re: [PATCH v4 3/6] arm64/kvm: add a userspace option to enable pointer authentication

2019-01-31 Thread James Morse
Hi Amit, On 09/01/2019 10:13, Amit Daniel Kachhap wrote: > On Sat, Jan 5, 2019 at 12:05 AM James Morse wrote: >> On 18/12/2018 07:56, Amit Daniel Kachhap wrote: >>> This feature will allow the KVM guest to allow the handling of >>> pointer authentication instructions or to treat them as undefined

Re: [PATCH v4 3/6] arm64/kvm: add a userspace option to enable pointer authentication

2019-01-09 Thread Amit Daniel Kachhap
Hi, On Sat, Jan 5, 2019 at 12:05 AM James Morse wrote: > > Hi Amit, > > On 18/12/2018 07:56, Amit Daniel Kachhap wrote: > > This feature will allow the KVM guest to allow the handling of > > pointer authentication instructions or to treat them as undefined > > if not set. It uses the existing vcp

Re: [PATCH v4 3/6] arm64/kvm: add a userspace option to enable pointer authentication

2019-01-04 Thread James Morse
Hi Amit, On 18/12/2018 07:56, Amit Daniel Kachhap wrote: > This feature will allow the KVM guest to allow the handling of > pointer authentication instructions or to treat them as undefined > if not set. It uses the existing vcpu API KVM_ARM_VCPU_INIT to > supply this parameter instead of creating

[PATCH v4 3/6] arm64/kvm: add a userspace option to enable pointer authentication

2018-12-17 Thread Amit Daniel Kachhap
This feature will allow the KVM guest to allow the handling of pointer authentication instructions or to treat them as undefined if not set. It uses the existing vcpu API KVM_ARM_VCPU_INIT to supply this parameter instead of creating a new API. A new register is not created to pass this parameter