diff options
Diffstat (limited to 'doc')
-rw-r--r-- | doc/opal-api/opal-int-eoi-124.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/opal-api/opal-int-eoi-124.txt b/doc/opal-api/opal-int-eoi-124.txt index 9405018..17e4eff 100644 --- a/doc/opal-api/opal-int-eoi-124.txt +++ b/doc/opal-api/opal-int-eoi-124.txt @@ -7,6 +7,11 @@ Not yet implemented. Modelled on the H_EOI PAPR call. +This can return a positive value, which means more interrupts +are queued for that CPU/priority and must be fetched as the XIVE is not +guaranteed to assert the CPU external interrupt line again until the +pending queue for the current priority has been emptied. + For P9 and above systems where host doesn't know about interrupt controller. An OS can instead make OPAL calls for XICS emulation. |