Public bug reported:
CPU core (Tremont) includes Accelerator Interfacing Architecture (AIA) features
including:
- UMONITOR/UMWAIT: Ring-3 MONITOR/MWAIT with timeout. For memory-based synch
with accelerators
- TPAUSE: Monitor-less wait (with timeout). For wait-on-multiple or
wait-for-interrupt usages
- MOVDIRI: 8B streaming doorbell write capability. For streaming accelerator
usages.
- MOVDIR64B: Non-temporal write with 64B guaranteed write-atomicity. For
latency critical accelerator usages
Upstream target linux 4.20
** Affects: xen (Ubuntu)
Importance: Undecided
Status: New
** Tags: intel
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https://bugs.launchpad.net/bugs/1782206
Title:
KVM enable SnowRidge Accelerator Interfacing Architecture (AIA)
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