From: Gleb Natapov <gleb@redhat.com>
To: Paul Brook <paul@codesourcery.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Time drift again.
Date: Tue, 16 Dec 2008 14:38:12 +0200 [thread overview]
Message-ID: <20081216123812.GF13794@redhat.com> (raw)
In-Reply-To: <200812161233.31503.paul@codesourcery.com>
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.
next prev parent reply other threads:[~2008-12-16 12:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-16 12:25 [Qemu-devel] [PATCH] Time drift again Gleb Natapov
2008-12-16 12:33 ` Paul Brook
2008-12-16 12:38 ` Gleb Natapov [this message]
2008-12-16 15:02 ` Gleb Natapov
2008-12-16 15:36 ` Blue Swirl
2008-12-16 14:56 ` Anthony Liguori
2008-12-17 10:25 ` Gleb Natapov
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