CVSROOT: /cvs Module name: src Changes by: [email protected] 2021/03/01 18:34:43
Modified files:
sys/arch/arm64/dev: smmu.c
Log message:
Do *not* delay while waiting for IOTLB invalidation to complete. A 1ms
delay is awful in a hot path, and the SMMU is actually quite quick on
invalidation, so simply removing the delay is worth a thousand roses.
Found with mental support from dlg@ (and btrace)
