Messages in this thread | | | Date | Sat, 9 Jun 2007 20:35:55 -0700 (PDT) | From | Davide Libenzi <> | Subject | Re: [patch 7/8] fdmap v2 - implement sys_socket2 |
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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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