On Mon, 5 Feb 2007, Zach Brown wrote:
> > The 'pool' of kernel threads doesnt even have to be per-task, it can be
> > a natural per-CPU thing
>
> Yeah, absolutely.
Hmmm, so we issue an async sys_read(), what a get_file(fd) will return for
a per-CPU kthread executing such syscall? Unless we teach context_switch()
to do a inherit-trick for "files" (even in that case, it won't work if
we switch from another context). And, is it all for it?
IMO it's got to be either a per-process thread pool or a fibril approach.
Or we need some sort of enter_context()/leave_context() (adopt mm, files,
...) to have a per-CPU kthread to be able to execute the syscall from the
async() caller context. Hmmm?
- Davide
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