Hello Dave ,
On Sat, 19 Dec 2009, Dave Hylands wrote:
Hi Jim,
On Fri, Dec 18, 2009 at 12:54 PM, Mr. James W. Laferriere
<babydr@xxxxxxxxxxxxxxxx> wrote:
Hello Benjamin , I am not having a good time compiling 2.6.32.1 .
First RCU 'inline' difficulties then fusion-mpt 'inline' difficulty , Now
this .
This one is not a simple as removing 'inline' from a statement .
Would you please look into this ? Anything else you need please just
ask .
Please cc: me as I am not subscribed to linux-fbdev .
Tia , JimL
...snip...
drivers/built-in.o(.text+0x11345a): In function `radeon_test_moves':
drivers/gpu/drm/radeon/radeon_test.c:45: undefined reference to `__udivdi3'
make: *** [.tmp_vmlinux1] Error 1
__udivdi3 is a gcc helper function used to do 64-bit division. This
form of 64-bit division is not supported from within the kernel (which
is why you get the undefined symbol).
There is <asm/div64.h> which contains a macro called do_div which can
perform a 64-bit dvision by a 32-bit divisor.
Thank you , For replying . Now I being a kernel level nothing , How
does this help me get past the 'ld' time undefined reference ? So we can have
a kernel build complete (hopefully) successfully .
I've another ? as well how is it that the drm/radeon_test.c is using
(well at least referencing) a non-kernel symbol ? That alone is rather
interesting .
But all I had to do is Disable DRM in the kernel . Since this system is
a remote device without a real need for DRI/DRM support that should cure my
problem . But someone else is going to need that support & I am sure they'll
hit that same bug .
Tia , JimL
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