svn commit: r210005 - head/sys/modules/acpi/acpi

Jung-uk Kim jkim at FreeBSD.org
Fri Jul 16 23:13:04 UTC 2010


On Friday 16 July 2010 05:42 pm, M. Warner Losh wrote:
> In message: <201007161514.04955.jkim at FreeBSD.org>
>
>             Jung-uk Kim <jkim at FreeBSD.org> writes:
> : On Thursday 15 July 2010 08:04 am, Bruce Evans wrote:
> : > On Tue, 13 Jul 2010, Jung-uk Kim wrote:
> : > > Log:
> : > >  Define SMP unconditionally for amd64 and remove opt_global.h
> : > > from SRCS. Note it is done just for correctness sake because
> : > > we do not build, ship, or support acpi.ko on amd64.
> : > >
> : > >  Prodded by:	bde
> : >
> : > Thanks.
> : >
> : > It was much more interesting than I noticed.  Modules are
> : > supposed to be independent of all configuration options,
> : > especially global ones, especially especially SMP.  Perhaps
> : > this is too much to ask for acpi. Does it work now, after you
> : > removed an SMP ifdef from it?
> :
> : I removed "#ifdef SMP" from acpi.c because 'smp_started' is
> : available for both UP and SMP kernels.  On the other hand, I
> : cannot remove these easily from sys/amd64/acpica/acpi_wakeup.c,
> : i.e., it requires some symbols from sys/amd64/amd64/mp_machdep.c,
> : which are only available in SMP case.
> :
> : FYI, we never had to worry about acpi.ko on i386 because we
> : didn't implement suspend/resume for SMP case in the first place.
> : X-)
>
> Does this mean we do implement it on amd64 now?  I may have to
> start trying to use it again...

Yes, I did that for a while ago. 8-)

Jung-uk Kim


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