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    SubjectRe: [PATCH] i386: additional fix for making ioremap() accept 64-bit addresses

    * Jan Beulich <> wrote:

    > The recent change to __ioremap()'s first parameter's type didn't yield
    > the intended effect as the first conditional inside the function would
    > still have filtered out any addresses with bits [63:32] set. Correct
    > last_addr's type and at once also add a check that the address range
    > doesn't extend into space hardware cannot support even theoretically.

    i fixed this in x86.git more than a week ago, see:

    | Subject: x86: ioremap of 64-bit resource on 32-bit kernel fix
    | From: Ingo Molnar <>
    | Date: Tue, 25 Mar 2008 08:31:17 +0100

    but since 64-bit resources never worked on 32-bit and the initiator
    regression causing this discussion turned out to be something else, i
    delayed this fix as .26 material.

    the PHYSICAL_MASK fix looks good as an additional check - could you
    please resend it against x86.git/latest which has my fix already?


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