Re: [Qemu-devel] [PATCH] Time drift again.

[Gleb Natapov]

On Tue, Dec 16, 2008 at 12:33:30PM +0000, Paul Brook wrote:
> On Tuesday 16 December 2008, Gleb Natapov wrote:
> > Hello,
> >
> >  After my last patch to fix interrupt coalescing was rejected
> > on the basis that it is too intrusive we decided to make the
> > fix much more localized and only fix the problem for RTC time
> > source. Unfortunately it is impossible to fix the problem entirely
> > inside RTC code like Andrzej proposed since Windows reads RTC
> > register C more then once on each time interrupt so it is impossible
> > to count reliably how many interrupt windows actually handled.
> > Proposed solution is localized to I386 target and is disabled by
> > default. To enable it "-rtc-td-hack" flag should be used.
> 
> You need documentation for the new option.
> 
Will add to the next patch.

--
                        Gleb.