Re: VM modules in kernel?

From: Mike A. Harris (mharris@meteng.on.ca)
Date: Fri Mar 24 2000 - 18:29:55 EST

  • Next message: Ed Tomlinson: "Re: VM modules in kernel?"

    On Fri, 24 Mar 2000, Alan Cox wrote:

    >> I'm not sure I understand what you're saying here Alan... My
    >> guess is you're taking VM to mean the kernel virtual memory
    >> system, when I'm meaning it to be "virtual machine". So my
    >
    >No Im taking it to mean virtual machine. In paticular VM on S/390 hardware.

    Ahh.. Sorry.. I know nothing of that sort of hardware.

    >> The 'hypervisor' is a new term to me.. Are you refering to the
    >> Transmeta CPU and it's native mode? If I read you correctly
    >
    >No its what the S/390 VM is often called. Its a supervisor for supervisor
    >mode programs so illogically enough its a hypervisor 8). The IBM mainframe
    >guys thing this kind of set up is routine. Unix is met with
    >'You mean you cant run a new kernel on test at the same time as the old
    >one' type remarks.

    Hmm.. Sounds like interesting hardware indeed.

    >> here, then we could have a native VLIW kernel running on the
    >> Crusoe, which opens an x86 API to userland? Correct me if I'm
    >> wrong.
    >
    >As I understamd it the VLIW code isnt accessible

    Bummer. ;o( A lot of things are inaccessible in lots of
    software and hardware.. that doesn't stop someone from hacking it
    though. ;o) I guess it would be difficult without the opcodes,
    etc..

    >> Have you been dipping into the bubbly a bit? ;o)
    >
    >Not today.

    Hmm.. Maybe it was me then. ;o)

    Take care,
    TTYL

    -- 
    Mike A. Harris                                     Linux advocate     
    Computer Consultant                                  GNU advocate  
    Capslock Consulting                          Open Source advocate
    

    I've overclocked my keyboard interface. It's quite messy dipping my hands into the mineral oil, but *MAN* is my keyboard ever fast now! - Anonymous Coward

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