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    SubjectRe: [patch] Ignore MCFG if the mmconfig area isn't reserved in thee820 table
    On Fri, Mar 24, 2006 at 04:42:17PM +0100, Arjan van de Ven wrote:
    > Andi Kleen wrote:
    > > In theory they should be the same. What do you think is different?
    > in practice the x86-64 version returns "success" if there is one byte in the entire
    > memory range that complies with the requested type, even if the rest of the range is
    > of another type. What the ideal is for the purpose here is "is the entire range reserved",
    > but for now I'll settle for "is the start address reserved".
    > (and yes you can express the "is the start address reserved" as a question to the current function for
    > a 1 byte range, I probably should do that I suppose)

    or why not check

    if (type == ei->type && start >= ei->addr && end <= (ei->addr + ei->size))
    return 1;

    will this make the range check check stricter?
    Ashok Raj
    - Open Source Technology Center
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      Last update: 2006-03-24 16:51    [W:0.020 / U:0.332 seconds]
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