Re: [RFC][PATCH] ppc misusing NTP's time_offset value

[Kumar Gala <kumar.gala@freescale.com>]

I think you forgot the patch.

- kumar

On Jun 30, 2005, at 5:15 AM, Mikael Pettersson wrote:

> On Wed, 29 Jun 2005 15:05:51 -0700, john stultz wrote:
>
> >     As part of my timeofday rework, I've been looking at the NTP
> code and I
>
> > noticed that the PPC architecture is apparently misusing the NTP's
> > time_offset (it is a terrible name!) value as some form of timezone
> > offset. This could cause problems when time_offset changed by the NTP
> > code.
> >
> >     This patch changes the PPC code so it uses a more clear local
> variable:
>
> > timezone_offset.
> >
> > Could a PPC maintainer verify this is correct?
> >
> > Let me know if you have any comments or feedback.
>
> arch/ppc/kernel/time.c used to have a 'static long time_offset;'
> variable. Ulthough unrelated, this declaration clashed with the
> one for kernel/time.c, causing compile-time errors with gcc4.
> I submitted a fix for this in February, which renamed ppc's local
> variable, and it was ACKed by Tom Rini and queued for 2.6.12.
>
> However, the patch that actually went into 2.6.12 was different:
> it just removed ppc's local variable, making arch/ppc/kernel/time.c
> now share kernel/time.c's variable. At the time I assumed someone
> had proved that the two modules _should_ share state, so I didn't
> make a fuss about it.
>
> Your patch brings the semantics back to what it was prior to 2.6.12.
>
> /Mikael
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