Re: [PATCH] arm64: KVM: Take S1 walks into account when determining S2 write faults

2016-10-17 Thread Marc Zyngier
On 17/10/16 11:20, Will Deacon wrote: > On Thu, Sep 29, 2016 at 09:14:32PM +0200, Christoffer Dall wrote: >> On Thu, Sep 29, 2016 at 12:37:01PM +0100, Will Deacon wrote: >>> The WnR bit in the HSR/ESR_EL2 indicates whether a data abort was >>> generated by a read or a write instruction. For stage

Re: [PATCH] arm64: KVM: Take S1 walks into account when determining S2 write faults

2016-09-29 Thread Christoffer Dall
On Thu, Sep 29, 2016 at 12:37:01PM +0100, Will Deacon wrote: > The WnR bit in the HSR/ESR_EL2 indicates whether a data abort was > generated by a read or a write instruction. For stage 2 data aborts > generated by a stage 1 translation table walk (i.e. the actual page > table access faults at

Re: [PATCH] arm64: KVM: Take S1 walks into account when determining S2 write faults

2016-09-29 Thread Mark Rutland
[Adding Julien, who seemed to be missing from the real Cc list] Mark. On Thu, Sep 29, 2016 at 12:37:01PM +0100, Will Deacon wrote: > The WnR bit in the HSR/ESR_EL2 indicates whether a data abort was > generated by a read or a write instruction. For stage 2 data aborts > generated by a stage 1