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    SubjectRe: [PATCH 7/8] ppc64: SPU file system

    > > /run A stub file that lets us do ioctl. The only ioctl
    > > method we need is the spu_run() call. spu_run suspends
    > > the current thread from the host CPU and transfers
    > > the flow of execution to the SPU.
    > > The ioctl call return to the calling thread when a state
    > > is entered that can not be handled by the kernel, e.g.
    > > an error in the SPU code or an exit() from it.
    > > When a signal is pending for the host CPU thread, the
    > > ioctl is interrupted and the SPU stopped in order to
    > > call the signal handler.
    > ioctl's are generally considered evil ... what about a write() method
    > writing a command ?

    That's even more evil than ioctl()... Try doing 32-vs-64bit conversion
    on write...
    Boycott Kodak -- for their patent abuse against Java.
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      Last update: 2005-05-15 11:10    [W:2.538 / U:0.068 seconds]
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