virtualbox kmod build fix after r284215

[Leonard Rucker]

I noticed a problem after I updated to 10.1-STABLE r284253 where I couldn't
boot.  I found the problem was the the vbox kernel module.  After I stopped
loading it I was able to boot successfully.  Will this change fix this or
is there something else I need to do?

Len

On Wed, Jun 10, 2015 at 5:07 PM Jung-uk Kim <jkim at freebsd.org> wrote:

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> On 06/10/2015 15:48, Mateusz Guzik wrote:
> > Hello,
> >
> > the following is needed since r284215 (__FreeBSD_version 1100077):
> >
> > --- ./src/VBox/Runtime/r0drv/freebsd/memobj-r0drv-freebsd.c.orig
> > 2015-06-10 19:30:28.355276494 +0000 +++
> > ./src/VBox/Runtime/r0drv/freebsd/memobj-r0drv-freebsd.c       2015-06-10
> >  19:30:41.280304985 +0000 @@ -747,7 +747,7 @@ { /** @todo: is this
> >  needed?. */ PROC_LOCK(pProc); -        AddrR3 =
> > round_page((vm_offset_t)pProc->p_vmspace->vm_daddr + lim_max(pProc,
> > RLIMIT_DATA)); +        AddrR3 =
> > round_page((vm_offset_t)pProc->p_vmspace->vm_daddr +
> > lim_max_proc(pProc, RLIMIT_DATA)); PROC_UNLOCK(pProc); } else
>
> Committed (r389147), thanks!
>
> > Interestingly enough for some reason the build does not fail
> > without the patch, even though resulting code is clearly broken as
> >  lim_max now expects a thread argument.
>
> Yes, kernel module build is very fragile ATM and it should be fixed.
>
> Jung-uk Kim
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