Hi Michael,
On Sat, Mar 22, 2014 at 2:32 AM, schmitz
<[email protected]> wrote:
>>>> That's not true. E.g. I/O memory is never mapped by mem_init().
>>>>
>>>
>>> Why, then, does the ioremap() of ST-RAM fail? Because the physical
>>> address
>>> is lower than the lowest currently mapped physical address?
>>
>> I don't know. How does it fail?
>
> Example:
>
> Unable to handle kernel access at virtual address 5f435059
> Oops: 00000000
> Modules linked in:
> PC: [<00089552>] kmem_cache_alloc+0x12/0x9a
> SR: 2700 SP: 0029dec0 a2: 002a42d8
> d0: 000080d0 d1: 00000013 d2: 000080d0 d3: 0007fe3c
> d4: 00000001 d5: 000000d0 a0: 5f435055 a1: 002a75ee
This may be too early in the boot process to call ioremap().
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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