On Tue, 2014-07-22 at 11:10 +0800, Mike Qiu wrote: > On 07/22/2014 06:49 AM, Benjamin Herrenschmidt wrote: > > On Mon, 2014-07-21 at 16:06 +0800, Mike Qiu wrote: > >>> I don't like this. I much prefer have dedicated error injection files > >>> in their respective locations, something for PCI under the corresponding > >>> PCI bridge etc... > >> So PowerNV error injection will be designed rely on debugfs been > >> configured, right? > > Not necessarily. If we create a better debugfs layout for our PHBs, then > > yes. It might be useful to provide more info in there for example access > > to some of the counters ... > > > > But on the other hand, for error injection in general, I wonder if we should > > be under sysfs instead... something to study a bit. > > In pHyp, general error injection use syscall: > > #define __NR_rtas 255 > > I don't know if it is a good idea to reuse this syscall for PowerNV. > > At least, it is another choice without sysfs rely.
No, we certainly don't want that RTAS stuff. I though Linux had some kind of error injection infrastructure nowadays... somebody needs to have a look. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
