svn commit: r327767 - in head/sys: conf i386/bios i386/conf i386/isa

[Warner Losh]

On Wed, Jan 10, 2018 at 9:58 AM, Alexey Dokuchaev <danfe at freebsd.org> wrote:

> On Wed, Jan 10, 2018 at 09:48:05AM -0700, Warner Losh wrote:
> > On Wed, Jan 10, 2018 at 9:31 AM, Rodney W. Grimes wrote:
> > > > New Revision: 327767
> > > > URL: https://svnweb.freebsd.org/changeset/base/327767
> > > >
> > > > Log:
> > > >   Retire pmtimer driver. Move time fixing into apm driver. Move
> > > >   Iwasaki-san's copyright over. Remove FIXME code that couldn't
> possibly
> > > >   work. Call tc_settime() with our estimate of the delta we've been
> > > >   alseep (the one we print) to adjust the time. Not sure what to do
> > > >   about callouts, so keep the small #ifdef in place there.
> > > >
> > > >   Differential Revision: https://reviews.freebsd.org/D13823
> > >
> > > RELNOTES: ?
> > > Reason I ask is this effects custom kernel config file(s)
> >
> > Don't know. We don't normally document every kernel config file changes
> > that's required.
>
> Well, `pmtimer' is a bit special.  It is required in the kernel config in
> order to preserve time counting during suspend (not sure about amd64, but
> at least on i386, "device pmtimer" is required to be in kernel config for
> timekeeping while sleeping).
>

It's only required for APM. ACPI it's a nop.

And it didn't (until I believe that I fixed it) even adjust the time for
APM. On APM it just prints how long the sleep was.

Warner