* 2.6.25-gitX and pmd_bad() on x86_32
@ 2008-04-25 8:40 Joerg Friedrich
2008-04-25 9:48 ` Andi Kleen
0 siblings, 1 reply; 2+ messages in thread
From: Joerg Friedrich @ 2008-04-25 8:40 UTC (permalink / raw)
To: linux-kernel
Hi!
Yesterday I tried to compile 2.6.25-git5 but I ran into a "Unknown
Symbol" (pmd_bad) warning from linker while compiling the nvidia-binary module.
I tracked this issue down to this git-commit:
9fc34113f6880b215cbea4e7017fc818700384c2
AFAICS, x86_32 is the only architecture where pmd_bad is neither a
define or a static inline. Including asm/pgtable.h is no longer
sufficient on x868_32. Is this behaviour intended or is there just a
EXPORT_SYMBOL missing?
--
Jörg Friedrich
There are only 10 types of people:
Those who understand binary and those who don't.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: 2.6.25-gitX and pmd_bad() on x86_32
2008-04-25 8:40 2.6.25-gitX and pmd_bad() on x86_32 Joerg Friedrich
@ 2008-04-25 9:48 ` Andi Kleen
0 siblings, 0 replies; 2+ messages in thread
From: Andi Kleen @ 2008-04-25 9:48 UTC (permalink / raw)
To: Joerg Friedrich; +Cc: linux-kernel
Joerg Friedrich <Joerg.Friedrich@friedrich-kn.de> writes:
> Yesterday I tried to compile 2.6.25-git5 but I ran into a "Unknown
> Symbol" (pmd_bad) warning from linker while compiling the nvidia-binary module.
pmd_bad is always optional. You can safely make it return 0 in some local
macro.
> AFAICS, x86_32 is the only architecture where pmd_bad is neither a
> define or a static inline. Including asm/pgtable.h is no longer
> sufficient on x868_32. Is this behaviour intended or is there just a
> EXPORT_SYMBOL missing?
Kernel changes generally don't care about out of tree modules.
Also pmd_bad() is kind of internal anyways.
-Andi
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