Re: -git: BUG: unable to handle kernel paging request at c0100248 [CPU hotplug]

[Vegard Nossum]

On Sun, Jul 27, 2008 at 9:23 PM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> 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 :)

[...]

> +.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?


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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