Re: [PATCH v4 06/10] powerpc/watchpoint: Set CPU_FTR_DAWR1 based on pa-features bit

2020-07-19 Thread Jordan Niethe
On Fri, Jul 17, 2020 at 2:10 PM Ravi Bangoria wrote: > > As per the PAPR, bit 0 of byte 64 in pa-features property indicates > availability of 2nd DAWR registers. i.e. If this bit is set, 2nd > DAWR is present, otherwise not. Host generally uses "cpu-features", > which masks "pa-features". But "cp

[PATCH v4 06/10] powerpc/watchpoint: Set CPU_FTR_DAWR1 based on pa-features bit

2020-07-16 Thread Ravi Bangoria
As per the PAPR, bit 0 of byte 64 in pa-features property indicates availability of 2nd DAWR registers. i.e. If this bit is set, 2nd DAWR is present, otherwise not. Host generally uses "cpu-features", which masks "pa-features". But "cpu-features" are still not used for guests and thus this change i