From: Sheng Yang <sheng@linux.intel.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Keir Fraser <keir.fraser@eu.citrix.com>,
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
"xen-devel" <xen-devel@lists.xensource.com>,
Eddie Dong <eddie.dong@intel.com>,
linux-kernel@vger.kernel.org,
Jun Nakajima <jun.nakajima@intel.com>
Subject: Re: [Xen-devel] [RFC][PATCH 07/10] xen/hybrid: Add PV timer support
Date: Thu, 17 Sep 2009 13:54:51 +0800 [thread overview]
Message-ID: <200909171354.52543.sheng@linux.intel.com> (raw)
In-Reply-To: <4AB149BA.1000106@goop.org>
On Thursday 17 September 2009 04:25:30 Jeremy Fitzhardinge wrote:
> On 09/16/09 01:42, Sheng Yang wrote:
> > If we have event channel, we can use VIRQ_TIMER to deliver timer
> > interrupt, otherwise we would reuse IRQ0.
>
> What's the purpose of this? Why can we get a timer virq via event
> channel as usual? I'm very dubious about having any platform
> interrupts/apic interaction in this code.
>
> J
Before this patch, we didn't enable event channel for hybrid guest. But I
think it's reasonable to enable it. Separating the event channel patch into
two, one for generic usage, and another one QEmu devices. I would try to do
this.
--
regards
Yang, Sheng
next prev parent reply other threads:[~2009-09-17 5:54 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-16 8:42 [RFC][PATCH 0/10] Xen Hybrid extension support Sheng Yang
2009-09-16 8:42 ` [RFC][PATCH 01/10] xen/pvhvm: add support for hvm_op Sheng Yang
2009-09-16 8:42 ` [RFC][PATCH 02/10] xen/hybrid: Import cpuid.h from Xen Sheng Yang
2009-09-16 8:42 ` [RFC][PATCH 03/10] xen/hybrid: Xen Hybrid Extension initialization Sheng Yang
2009-09-16 20:24 ` [Xen-devel] " Jeremy Fitzhardinge
2009-09-17 6:22 ` Keir Fraser
2009-09-17 16:46 ` Jeremy Fitzhardinge
2009-09-16 8:42 ` [RFC][PATCH 04/10] xen/hybrid: Modify pv_init_ops and xen_info Sheng Yang
2009-09-16 8:42 ` [RFC][PATCH 05/10] xen/hybrid: Add PV halt support Sheng Yang
2009-09-16 8:42 ` [RFC][PATCH 06/10] xen/hybrid: Add shared_info page for xen Sheng Yang
2009-09-16 8:42 ` [RFC][PATCH 07/10] xen/hybrid: Add PV timer support Sheng Yang
2009-09-16 20:25 ` [Xen-devel] " Jeremy Fitzhardinge
2009-09-17 5:54 ` Sheng Yang [this message]
2009-09-16 8:42 ` [RFC][PATCH 08/10] x86: Don't ack_APIC_irq() if lapic is disabled in GENERIC_INTERRUPT_VECTOR handler Sheng Yang
2009-09-16 8:58 ` Cyrill Gorcunov
2009-09-16 9:03 ` Cyrill Gorcunov
2009-09-16 9:37 ` Cyrill Gorcunov
2009-09-17 3:54 ` Sheng Yang
2009-09-16 8:42 ` [RFC][PATCH 09/10] xen/hybrid: Make event channel work with QEmu emulated devices Sheng Yang
2009-09-16 20:35 ` [Xen-devel] " Jeremy Fitzhardinge
2009-09-17 5:58 ` Sheng Yang
2009-09-16 8:42 ` [RFC][PATCH 10/10] xen/hybrid: Enable grant table and xenbus Sheng Yang
2009-09-16 13:31 ` [Xen-devel] [RFC][PATCH 0/10] Xen Hybrid extension support Konrad Rzeszutek Wilk
2009-09-17 8:59 ` Sheng Yang
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