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From: Jamie Lokier <jamie@shareable.org>
To: Glauber Costa <glommer@redhat.com>
Cc: aliguori@us.ibm.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 0/6] in kernel irqchip support
Date: Tue, 29 Sep 2009 01:39:58 +0100	[thread overview]
Message-ID: <20090929003958.GA5527@shareable.org> (raw)
In-Reply-To: <1254172517-28216-1-git-send-email-glommer@redhat.com>

Glauber Costa wrote:
>I am ready to advocate that it should be the default, whenever
>available.  I plan to, however, provide a patch that disables it
>whenever this gets merged.

Is the in-kernel irqchip simply intended to accelerate some part of
the CPU/irq emulation, so that you could enable or disable it at will,
as well as migrating to TCG-using systems and back, with no observable
effect except performance?

-- Jamie

  parent reply	other threads:[~2009-09-29  0:40 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-28 21:15 [Qemu-devel] [PATCH 0/6] in kernel irqchip support Glauber Costa
2009-09-28 21:15 ` [Qemu-devel] [PATCH 1/6] provide in-kernel ioapic Glauber Costa
2009-09-28 21:15   ` [Qemu-devel] [PATCH 2/6] provide in-kernel apic Glauber Costa
2009-09-28 21:15     ` [Qemu-devel] [PATCH 3/6] provide apic_set_irq_delivered Glauber Costa
2009-09-28 21:15       ` [Qemu-devel] [PATCH 4/6] provide in-kernel i8259 chip Glauber Costa
2009-09-28 21:15         ` [Qemu-devel] [PATCH 5/6] initialize " Glauber Costa
2009-09-28 21:15           ` [Qemu-devel] [PATCH 6/6] Initialize in-kernel irqchip Glauber Costa
2009-10-02 20:33             ` [Qemu-devel] " Jan Kiszka
2009-10-02 21:59               ` Jamie Lokier
2009-10-02 22:22                 ` Glauber Costa
2009-09-28 22:04         ` [Qemu-devel] Re: [PATCH 4/6] provide in-kernel i8259 chip Juan Quintela
2009-09-28 22:25           ` Glauber Costa
2009-09-28 22:39             ` Juan Quintela
2009-10-02 20:33               ` Jan Kiszka
     [not found]   ` <m3my4eagcp.fsf@neno.mitica>
2009-09-28 22:24     ` [Qemu-devel] Re: [PATCH 1/6] provide in-kernel ioapic Glauber Costa
2009-09-29  0:39 ` Jamie Lokier [this message]
2009-09-29  1:06   ` [Qemu-devel] [PATCH 0/6] in kernel irqchip support Glauber Costa
2009-09-29  8:15 ` Avi Kivity
2009-09-30 20:01 ` Anthony Liguori

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