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One thing I am not sure of is mp_rendezvous has a comment indicating it is exported for use by KEXTs, but this is not the case for mp_cpus_call. mp_cpus_call will also disable interrupts while the requested function is being executed, which is the same as the behavior today, but may not be necessary for reading an MSR.
The text was updated successfully, but these errors were encountered:
Right now readMSR executes code on all CPUs to read an MSR, and filters out results that do not match the requested cpu inside PcmMsr::readMSR():
We can change this to something like this:
One thing I am not sure of is mp_rendezvous has a comment indicating it is exported for use by KEXTs, but this is not the case for mp_cpus_call. mp_cpus_call will also disable interrupts while the requested function is being executed, which is the same as the behavior today, but may not be necessary for reading an MSR.
The text was updated successfully, but these errors were encountered: