lkml.org 
[lkml]   [2002]   [Oct]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: export of sys_call_table
    On Thu, Oct 03, 2002 at 03:39:43PM -0600, Brian F. G. Bidulock wrote:
    > I see that RH, in their infinite wisdom, have seen fit to remove
    > the export of sys_call_table in 8.0 kernels breaking any loadable
    > modules that wish to implement non-implemented system calls such
    > as LiS's or iBCS implementation of putmsg/getmsg.
    >
    > sys_call_table is exported in current 2.4 and 2.5 kernels.

    As of 2.5.40bk it is now also not exported, which is a good thing.

    > Until now, loadable modules have been able to just overwrite
    > the non implemented point in the sys_call_table when they load
    > and putting it back when they unload. There is no mechanism
    > for registering system calls.

    That's a racy, easily breakable thing to do. Don't do it.

    > What is the kernel.org take on this?

    It is a good thing that the sys_call_table is now not exported.

    thanks,

    greg k-h
    -
    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: 2005-03-22 13:29    [W:0.043 / U:59.456 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site