Re: [Xen-devel] [PATCH v4 1/2] xen/arm: remove physical timer offset

2020-01-24 Thread Julien Grall
On 24/01/2020 21:43, Jeff Kubascik wrote: On 1/23/2020 7:32 AM, Julien Grall wrote: Hi, On 21/01/2020 15:07, Jeff Kubascik wrote: The physical timer traps apply an offset so that time starts at 0 for the guest. However, this offset is not currently applied to the physical counter. Per the AR

Re: [Xen-devel] [PATCH v4 1/2] xen/arm: remove physical timer offset

2020-01-24 Thread Jeff Kubascik
On 1/23/2020 7:32 AM, Julien Grall wrote: > Hi, > > On 21/01/2020 15:07, Jeff Kubascik wrote: >> The physical timer traps apply an offset so that time starts at 0 for >> the guest. However, this offset is not currently applied to the physical >> counter. Per the ARMv8 Reference Manual (ARM DDI 048

Re: [Xen-devel] [PATCH v4 1/2] xen/arm: remove physical timer offset

2020-01-23 Thread Julien Grall
Hi, On 21/01/2020 15:07, Jeff Kubascik wrote: The physical timer traps apply an offset so that time starts at 0 for the guest. However, this offset is not currently applied to the physical counter. Per the ARMv8 Reference Manual (ARM DDI 0487E.a), section D11.2.4 Timers, the "Offset" between the