Re: [RFC PATCH v7] ppc: Enable 2nd DAWR support on p10

2024-02-01 Thread Shivaprasad G Bhat
Thanks for the review Nick! On 1/23/24 17:36, Nicholas Piggin wrote: On Wed Nov 22, 2023 at 5:32 PM AEST, Shivaprasad G Bhat wrote: Extend the existing watchpoint facility from TCG DAWR0 emulation to DAWR1 on POWER10. As per the PAPR, bit 0 of byte 64 in pa-features property indicates availabi

Re: [RFC PATCH v7] ppc: Enable 2nd DAWR support on p10

2024-01-23 Thread Nicholas Piggin
On Wed Nov 22, 2023 at 5:32 PM AEST, Shivaprasad G Bhat wrote: > Extend the existing watchpoint facility from TCG DAWR0 emulation > to DAWR1 on POWER10. > > 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

[RFC PATCH v7] ppc: Enable 2nd DAWR support on p10

2023-11-21 Thread Shivaprasad G Bhat
Extend the existing watchpoint facility from TCG DAWR0 emulation to DAWR1 on POWER10. 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. Use KVM_CAP_PPC_DAWR1 capability to find whethe