[Click] On patchless linux

[Eddie Kohler]

Hi Harald,

Great to hear about other people using patchless!

Re: hweight32: That is definitely a missing CLICK_CXX_PROTECT.  The way 
to find it is to use nm on the individual object files to find where 
it's used.  Something like

for i in *.o; do if nm $i | grep -l hweight32 >/dev/null 2>&1; then echo 
$i; fi; done

More soon.

Eddie


On 10/24/10 8:21 AM, Harald Schioeberg wrote:
> Hi,
>
> i'm currently trying to catch up with the patchless stuff, see below for
> my current status.
>
> I tried against the weird ubuntu-maverick kernel, but then
> I stepped back a bit to vanilla 2.6.27.54 on i386 for the moment.
> This gives me a click build, but with:
>
> WARNING:
> "_Z9hweight32j" [/data/harald/patchless/click/linuxmodule/click.ko]
> undefined!
> and of course a failure to load the "click" module, the proclikefs
> loads.
>
> Apparently hweigth32 is not CXX_PROTECTed, any ideas why this might
> happen?
> Its in click-linuxmodule/include0/asm-generic/bitops/hweight.h
> which should only be included via<linux/bitops.h>, but I have not found
> any unprotected "#include<linux/bitops.h>" or related stuff anywhere.
>
> Here I am starting from eddie/96471bf1 + from Joonwoo.
>
> [joonwoo 01/12]
> This fixes a configury issue, but the real compile will use [joonwoo
> 9/12], which is in mainline by now as 340c5ebe
> IMHO this needs some means to emulate
> LINUX_VERSION_CODE<  KERNEL_VERSION(2, 6, 33)
> in the configure to make it "nice"
>
> [joonwoo 02/12]
> I didn't need that one until now...
>
> [joonwoo 03/12]
> Same here
>
> [joonwoo 04/12]
> Used joonwoo's patch, discussion is ongoing between eddie and joonwoo
>
> [joonwoo 05/12] [joonwoo 06/12] are in mainline
>
> [joonwoo 07/12]
> used the patch from joowoon,
> eddie already confirmed the patch, but it's not in mainline yet
>
> [joonwoo 08/12]
> eddie checked in A Different Version
>
> [joonwoo 09/12]
> it's upstream, related to 01/12
>
> [joonwoo 10/12 and 11/12]
> they are upstream
>
> [joonwoo 12/12]
> A Different Version is upstream as a5f200d
>
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