[PATCH v2 5/5] PCI/powerpc/eeh: Add pcibios hooks for preparing to rescan

Benjamin Herrenschmidt benh at au1.ibm.com
Wed Sep 12 20:39:57 AEST 2018


On Mon, 2018-09-10 at 19:00 +0300, Sergey Miroshnichenko wrote:
> 
> Yes, missing a real EEH event is possible, unfortunately, and it is
> indeed worth mentioning.
> 
> To reduce this probability the next patchset I'll post in a few days
> among other things puts all the affected device drivers to pause during
> rescan, mainly because of moving BARs and bridge windows, but it will
> also help here a bit.

How do you deal with moving BARs etc... within the segmenting
restrictions of EEH ?

It's a horrible mess right now and I don't know if the current code can
even work properly to be honest.

Cheers,
Ben.




More information about the Linuxppc-dev mailing list