On Thursday 28 August 2014 04:03 PM, Benjamin Herrenschmidt wrote: > On Thu, 2014-08-28 at 12:29 +0200, Alexander Graf wrote: >> >> On 28.08.14 12:21, Benjamin Herrenschmidt wrote: >>> On Thu, 2014-08-28 at 10:36 +0200, Alexander Graf wrote: >>> >>>> So why not put it at 0x7000 then? >>> >>> Because PAPR says it has to be inside RTAS iirc >> >> Please show me the section of PAPR that does say so. > > Actually, we should probably support both options: > > PAPR V2.7 > > 7.3.14 Firmware Assisted Non-Maskable Interrupts Option (FWNMI) > > << > The difference between ibm,nmi-register and ibm,nmi-register-2 is that > ibm,nmi-register allocates the error reporting > structure in RTAS space while ibm,nmi-register-2 places the error > reporting structure in real page 7. New OS designs > should use ibm,nmi-register since support for ibm,nmi-register-2 will be > terminated at some future date.
Should we avoid having error log in 0x7000? As per above only ibm,nmi-register-2 places error log in 0x7000 which will be terminated in future? >>> > > Cheers, > Ben. > > > -- Regards, Aravinda
