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    SubjectRe: Hardware limits on numbers of threads?
    Ulrich Drepper wrote:
    > > http://people.redhat.com/drepper/glibcthreads.html says:
    > >
    > >>Hardware restrictions put hard limits on the number of
    > >>threads the kernel can support for each process. ...
    > >
    > > Is this true? Where does the limit come from?
    >
    > This was and is true with the kernel before 2.5.3<mumble> when Ingo
    > introduced TLS support since the thread specific data had to be
    > addressed via LDT entries and the LDT holds at most 8192 entries. The
    > GDT based solution now implemented in the kernel has no such limitation
    > and the number of threads you can create with the new thread library is
    > only limited by system resources.

    Thanks. I've updated http://www.kegel.com/c10k.html#threaded
    accordingly.

    - Dan
    -
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