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    SubjectRe: -git: BUG: unable to handle kernel paging request at c0100248 [CPU hotplug]
    On Sun, Jul 27, 2008 at 4:40 PM, Vegard Nossum <vegard.nossum@gmail.com> wrote:
    > On Sun, Jul 27, 2008 at 9:35 PM, Vegard Nossum <vegard.nossum@gmail.com> wrote:
    >> On Sun, Jul 27, 2008 at 9:23 PM, Thomas Gleixner <tglx@linutronix.de> wrote:
    >>> On Sun, 27 Jul 2008, Vegard Nossum wrote:
    >>>> Booting processor 1/1 ip 6000
    >>>> Initializing CPU#1
    >>>> [...]
    >>>> Write protecting the kernel text: 5648k
    >>>>
    >>>> So it succeeds because the protection happens much later :-)
    >>>
    >>> Patch below fixes the issue. I get it to Linus ASAP.
    >>
    >> Nice :)

    Just saw this one. Thanks for the quick fix! ;-)

    >> [...]
    >>
    >>> +.section .cpuinit.data,"wa"
    >>> +.align 4
    >>> +ENTRY(initial_code)
    >>> + .long i386_start_kernel
    >>> +
    >>> .section .text
    >>> /*
    >>> * Real beginning of normal "text" segment
    >>>
    >>
    >> Hm, isn't there some kind of "section stack" that can be used to
    >> restore the previous section? .pushsection/.popsection directives?
    >
    > Oh, never mind :-)
    >
    > (Sorry for the noise.)
    >
    >
    > Vegard
    >
    > --
    > "The animistic metaphor of the bug that maliciously sneaked in while
    > the programmer was not looking is intellectually dishonest as it
    > disguises that the error is the programmer's own creation."
    > -- E. W. Dijkstra, EWD1036
    > --
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