Re: [v8] powerpc/powernv: add 'firmware/exports' attributes to sysfs

2017-04-09 Thread Joel Stanley
On Thu, Apr 6, 2017 at 4:37 PM, Oliver O'Halloran wrote: > On Thu, Mar 30, 2017 at 10:28 AM, Matt Brown > wrote: >> The HDAT data area is consumed by skiboot and turned into a device-tree. In >> some cases we would like to look directly at the HDAT. This is not possible >> through /dev/mem as it

Re: [v8] powerpc/powernv: add 'firmware/exports' attributes to sysfs

2017-04-06 Thread Michael Ellerman
On Wed, 2017-03-29 at 23:28:01 UTC, Matt Brown wrote: > The HDAT data area is consumed by skiboot and turned into a device-tree. In > some cases we would like to look directly at the HDAT. This is not possible > through /dev/mem as it is reserved memory which is stopped by the /dev/mem > filter. Th

Re: [v8] powerpc/powernv: add 'firmware/exports' attributes to sysfs

2017-04-06 Thread Oliver O'Halloran
On Thu, Mar 30, 2017 at 10:28 AM, Matt Brown wrote: > The HDAT data area is consumed by skiboot and turned into a device-tree. In > some cases we would like to look directly at the HDAT. This is not possible > through /dev/mem as it is reserved memory which is stopped by the /dev/mem > filter. The

[v8] powerpc/powernv: add 'firmware/exports' attributes to sysfs

2017-03-29 Thread Matt Brown
The HDAT data area is consumed by skiboot and turned into a device-tree. In some cases we would like to look directly at the HDAT. This is not possible through /dev/mem as it is reserved memory which is stopped by the /dev/mem filter. There are also other memory areas which are reserved but could b