From: Anthony Liguori <anthony@codemonkey.ws>
To: Gleb Natapov <gleb@redhat.com>
Cc: Beth Kon <eak@us.ibm.com>,
dlaor@redhat.com, Sheng Yang <sheng@linux.intel.com>,
kvm@vger.kernel.org
Subject: Re: The HPET issue on Linux
Date: Wed, 06 Jan 2010 16:42:30 -0600 [thread overview]
Message-ID: <4B4511D6.1030401@codemonkey.ws> (raw)
In-Reply-To: <20100106203733.GB24476@redhat.com>
On 01/06/2010 02:37 PM, Gleb Natapov wrote:
> We have exactly that hook in apic already and that's how RTC determines
> that interrupt was coalesced.
>
AFAICT, apic_irq_delivered is only reset explicitly by the RTC when the
line is lowered. It's not currently lowered based on EOI.
How can this mechanism be used with the HPET when operating in edge
triggered mode?
Regards,
Anthony Liguori
> --
> Gleb.
>
next prev parent reply other threads:[~2010-01-06 22:42 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-06 9:48 The HPET issue on Linux Sheng Yang
2010-01-06 10:09 ` Gleb Natapov
2010-01-06 10:23 ` Dor Laor
2010-01-06 18:36 ` Beth Kon
2010-01-06 19:20 ` Beth Kon
2010-01-06 19:23 ` Anthony Liguori
2010-01-06 19:44 ` Gleb Natapov
2010-01-06 19:51 ` Anthony Liguori
2010-01-06 20:37 ` Gleb Natapov
2010-01-06 22:42 ` Anthony Liguori [this message]
2010-01-07 6:45 ` Gleb Natapov
2010-01-07 3:01 ` Sheng Yang
2010-02-02 18:13 ` No longer working on HPET Beth Kon
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