On Wed, 10 Jan 2007, Geert Uytterhoeven wrote:
>
> This change causes lots of compile errors of the following form on m68k:
>
> | linux-2.6.20-rc4/include/linux/uaccess.h: In function `pagefault_disable':
> | linux-2.6.20-rc4/include/linux/uaccess.h:18: error: dereferencing pointer to incomplete type
> | linux-2.6.20-rc4/include/linux/uaccess.h: In function `pagefault_enable':
> | linux-2.6.20-rc4/include/linux/uaccess.h:33: error: dereferencing pointer to incomplete type
Ouch. However, I think your patch is bogus.
You're fixing somethign that doesn't need fixing: <linux/uaccess.h>
already includes <linux/preempt.h> for the preemption functions.
The REAL problem seems to be that the m68k preempt.h (or rather, to be
exact, asm/thread_info.h) doesn't do things right, and while it exposes
"inc_preempt_count()", it doesn't expose enough information to actually
use it.
I think your "current_thread_info()" is broken.
Linus
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