On Thursday 20 May 2021 at 11:16:41 (+0100), Will Deacon wrote:

Ok, thanks for the insight. In which case, I'll go with what we discussed:
require admission control to be disabled for sched_setattr() but allow
execve() to a 32-bit task from a 64-bit deadline task with a warning (this
is probably similar to CPU hotplug?).

Still not sure that we can let execve go through ... It will break AC
all the same, so it should probably fail as well if AC is on IMO


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