lkml.org 
[lkml]   [2006]   [Jul]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [RFC 1/4] kevent: core files.

    > Things were like that at one point in time, but file descriptors turn out
    > to introduce a huge gaping security hole with SUID programs. The problem
    > is that any event context is closely tied to the address space of the
    > thread issuing the syscalls, and file descriptors do not have this close
    > binding.

    Can you go into that hole in more detail?

    > Except that you're not usually pulling a full ring worth of events at a
    > time, more often just one.

    OK, but then to wait for it you were already sleeping in the kernel, right?

    Clearly we should port httpd to kevents and take some measurements :)

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

    \
     
     \ /
      Last update: 2006-07-28 21:05    [W:0.021 / U:1.216 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site