Re: [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


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• Follow-Ups:
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Davide Libenzi <[email protected]>

• References:
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Al Viro <[email protected]>
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Ulrich Drepper <[email protected]>
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Al Viro <[email protected]>
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Ulrich Drepper <[email protected]>
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Al Viro <[email protected]>
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Ulrich Drepper <[email protected]>
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Al Viro <[email protected]>
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Kyle Moffett <[email protected]>
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Al Viro <[email protected]>
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Linus Torvalds <[email protected]>
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Al Viro <[email protected]>
  • Re: [patch 7/8] fdmap v2 - implement sys_socket2
    • From: Linus Torvalds <[email protected]>

• Prev by Date: [git patches] libata fixes
• Next by Date: Re: [patch 7/8] fdmap v2 - implement sys_socket2
• Previous by thread: Re: [patch 7/8] fdmap v2 - implement sys_socket2
• Next by thread: Re: [patch 7/8] fdmap v2 - implement sys_socket2
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]