Messages in this thread | | | Date | Sat, 9 Jun 2007 20:49:28 -0700 (PDT) | From | Davide Libenzi <> | Subject | Re: [patch 7/8] fdmap v2 - implement sys_socket2 |
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On Sat, 9 Jun 2007, Davide Libenzi wrote:
> 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?
Uhh, never mind :) That won't work in the vdso. Maybe in a TLS area.
- Davide
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