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    SubjectRe: [PATCH 08/12] add trace events for each syscall entry/exit
    * Peter Zijlstra (peterz@infradead.org) wrote:
    > On Tue, 2009-08-25 at 14:31 -0400, Mathieu Desnoyers wrote:
    > > For instance, some
    > > proprietary Linux driver does very odd things with system calls within
    > > kernel threads, like invoking them with int 0x80.
    >
    > So who is going to send the x86 patch to make int 0x80 from kernel space
    > panic the machine? :-)

    I'm pretty sure ATI or Nvidia already cooked something like this in the
    past. Let's not bother too much with the proprietary aspect. Tracing
    internal kernel invocations of sys_*() is actually the main point I was
    trying to come to.

    Mathieu

    --
    Mathieu Desnoyers
    OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68


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