"Ingo Molnar posted a set of 11 patches introducing 'the first
release of the 'Syslet' kernel feature and kernel subsystem, which
provides generic asynchrous system call support.' Ingo
explains:
"'Syslets are small, simple, lightweight programs (consisting of
system-calls, 'atoms') that the kernel can execute autonomously
(and, not the least, asynchronously), without having to exit back
into user-space. Syslets can be freely constructed and submitted by
any unprivileged user-space context - and they have access to all
the resources (and only those resources) that the original context
has access to...'"