Re: [PATCH v11 1/3] xen/arm64: io: Emulate instructions (with invalid ISS) on MMIO region

Hi Ayan, On 17/03/2022 14:00, Ayan Kumar Halder wrote: When an instruction is trapped in Xen due to translation fault, Xen checks if the ISS is invalid (for data abort) or it is an instruction abort. If so, Xen tries to resolve the translation fault using p2m page tables. In case of data abort,

Re: [PATCH v11 1/3] xen/arm64: io: Emulate instructions (with invalid ISS) on MMIO region

On Thu, 17 Mar 2022, Ayan Kumar Halder wrote: > When an instruction is trapped in Xen due to translation fault, Xen > checks if the ISS is invalid (for data abort) or it is an instruction > abort. If so, Xen tries to resolve the translation fault using p2m page > tables. In case of data abort, Xen

[PATCH v11 1/3] xen/arm64: io: Emulate instructions (with invalid ISS) on MMIO region

When an instruction is trapped in Xen due to translation fault, Xen checks if the ISS is invalid (for data abort) or it is an instruction abort. If so, Xen tries to resolve the translation fault using p2m page tables. In case of data abort, Xen will try to map the mmio region to the guest (ie