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SubjectRe: [patch 7/8] fdmap v2 - implement sys_socket2
On Sat, 9 Jun 2007, Linus Torvalds wrote:

> On Sat, 9 Jun 2007, Al Viro wrote:
> >
> > Eww... Idea of pipe(2) taking flags as argument...
> Right. That was one of the patches, and it was one that I said was too
> damn ugly to live.
> So I instead suggested the alternate approach of adding a single new
> system call that runs another system call indirectly, with a set of flags
> and/or other behaviour modifications.

What if we put a data section in the vdso and we let userspace set the
flags or whatever in there? Syslets could use one of those bits to set the
"threadlet mode" w/out calling a syscall at all.
In that way we have no new syscalls whatsoever. No?

- Davide

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