Re: [PATCH v3 2/2] target/arm: kvm: Handle DABT with no valid ISS

2020-03-15 Thread Beata Michalska
On Thu, 12 Mar 2020 at 10:25, Andrew Jones wrote: > > On Thu, Mar 12, 2020 at 12:34:01AM +, Beata Michalska wrote: > > On ARMv7 & ARMv8 some load/store instructions might trigger a data abort > > exception with no valid ISS info to be decoded. The lack of decode info > > makes it at least tric

Re: [PATCH v3 2/2] target/arm: kvm: Handle DABT with no valid ISS

2020-03-12 Thread Andrew Jones
On Thu, Mar 12, 2020 at 12:34:01AM +, Beata Michalska wrote: > On ARMv7 & ARMv8 some load/store instructions might trigger a data abort > exception with no valid ISS info to be decoded. The lack of decode info > makes it at least tricky to emulate those instruction which is one of the > (many)

[PATCH v3 2/2] target/arm: kvm: Handle DABT with no valid ISS

2020-03-11 Thread Beata Michalska
On ARMv7 & ARMv8 some load/store instructions might trigger a data abort exception with no valid ISS info to be decoded. The lack of decode info makes it at least tricky to emulate those instruction which is one of the (many) reasons why KVM will not even try to do so. Add support for handling tho