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    SubjectRe: Where did vm_operations_struct->unmap in 2.4.0 go?
    Date
    On Sat, 13 Jan 2001 12:46:00 +0100, 
    Christian Zander <phoenix@minion.de> wrote:
    >I see what you mean. What do you suggest should be done in the context of
    >the driver? As you can easily tell, I'm not overly familiar with the
    >internal workings of the kernel. That and the mere impossibility to get
    >any kind of help at the mere mention of the Nvidia driver module ("go bitch
    >at nvidia", "who cares", ...) do not exactly make it easier to fix problems
    >that arise from changes to the kernel.

    Hmm, can I charge Nvidia for this fix?

    The only reason you are looking at symbols is to map Nvidia registry
    names to module symbols. There are 9 registry names, 4 of which are
    #ifdeffed out.

    MODULE_PARM(NVreg_resman_debuglevel, "i");
    MODULE_PARM(NVreg_VideoMemoryTypeOverride, "i"); #ifdeffed out
    MODULE_PARM(NVreg_EnableVia4x, "i");
    MODULE_PARM(NVreg_ReqAGPRate, "i"); #ifdeffed out
    MODULE_PARM(NVreg_SkipBiosPost, "i"); #ifdeffed out
    MODULE_PARM(NVreg_UseKernelAGP, "i");
    MODULE_PARM(NVreg_UpdateKernelAGP, "i"); #ifdeffed out
    MODULE_PARM(NVreg_ReqAGPSBA, "i");
    MODULE_PARM(NVreg_ReqAGPFW, "i");

    Simple fix is an array to map names to addresses.

    struct {
    const char *name;
    int *value;
    } linux_registry[] = {
    { "resman_debuglevel", &NVreg_resman_debuglevel },
    { "EnableVia4x", &NVreg_EnableVia4x },
    { "UseKernelAGP", &NVreg_UseKernelAGP },
    { "ReqAGPSBA", &NVreg_ReqAGPSBA },
    { "ReqAGPFW", &NVreg_ReqAGPFW },
    };

    Changing osRegistryLookup to scan that array for the registry name and
    return the address of the corresponding variable is left as an exercise
    for the reader.

    -
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