Re: [PATCH] powerpc/64s: Add support for ASB_Notify on POWER9

2017-08-14 Thread Michael Neuling
On Sat, 2017-08-05 at 14:28 +1000, Benjamin Herrenschmidt wrote: > On Fri, 2017-08-04 at 16:56 +0200, Christophe Lombard wrote: > > The POWER9 core supports a new feature: ASB_Notify which requires the > > support of the Special Purpose Register: TIDR. > > > > The ASB_Notify command, generated by

Re: [PATCH] powerpc/64s: Add support for ASB_Notify on POWER9

2017-08-10 Thread christophe lombard
Le 07/08/2017 à 05:08, Michael Ellerman a écrit : Hi Christophe, I'm not across any of the details of this so hopefully most of these comments aren't too stupid :) Christophe Lombard writes: The POWER9 core supports a new feature: ASB_Notify which requires the

Re: [PATCH] powerpc/64s: Add support for ASB_Notify on POWER9

2017-08-09 Thread christophe lombard
Le 05/08/2017 à 06:28, Benjamin Herrenschmidt a écrit : On Fri, 2017-08-04 at 16:56 +0200, Christophe Lombard wrote: The POWER9 core supports a new feature: ASB_Notify which requires the support of the Special Purpose Register: TIDR. The ASB_Notify command, generated by the AFU, will attempt

Re: [PATCH] powerpc/64s: Add support for ASB_Notify on POWER9

2017-08-06 Thread Michael Ellerman
Hi Christophe, I'm not across any of the details of this so hopefully most of these comments aren't too stupid :) Christophe Lombard writes: > The POWER9 core supports a new feature: ASB_Notify which requires the > support of the Special Purpose Register: TIDR.

Re: [PATCH] powerpc/64s: Add support for ASB_Notify on POWER9

2017-08-04 Thread Benjamin Herrenschmidt
On Fri, 2017-08-04 at 16:56 +0200, Christophe Lombard wrote: > The POWER9 core supports a new feature: ASB_Notify which requires the > support of the Special Purpose Register: TIDR. > > The ASB_Notify command, generated by the AFU, will attempt to > wake-up the host thread identified by the

[PATCH] powerpc/64s: Add support for ASB_Notify on POWER9

2017-08-04 Thread Christophe Lombard
The POWER9 core supports a new feature: ASB_Notify which requires the support of the Special Purpose Register: TIDR. The ASB_Notify command, generated by the AFU, will attempt to wake-up the host thread identified by the particular LPID:PID:TID. The special register TIDR has to be updated to