From: Asias He <asias.hejun@gmail.com>
To: Avi Kivity <avi@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Sasha Levin <levinsasha928@gmail.com>,
penberg@kernel.org, kvm@vger.kernel.org, gorcunov@gmail.com,
prasadjoshi124@gmail.com
Subject: Re: [PATCH 2/3 V2] kvm tools: Add support for multiple virtio-blk
Date: Wed, 04 May 2011 22:40:17 +0800 [thread overview]
Message-ID: <4DC16551.30100@gmail.com> (raw)
In-Reply-To: <4DC1636C.3040400@redhat.com>
On 05/04/2011 10:32 PM, Avi Kivity wrote:
> On 05/04/2011 04:56 PM, Ingo Molnar wrote:
>> Also, the IRQs used by kvm should be enumerated in an include file in
>> a single
>> place, with ranges allocated for specific purposes, otherwise we'll
>> quickly
>> lose track of them.
>
> You'll also quickly run out of interrupts. To get lots of devices you
> can use level-triggered interrupts (this is really how the device is
> meant to be used, but is slow) or switch to MSI-X (fast but
> significantly more code needed).
Sure, we will switch to MSI-X soon.
--
Best Regards,
Asias He
next prev parent reply other threads:[~2011-05-04 14:41 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-04 13:45 [PATCH 0/3 V2] kvm tools: Support for multiple virtio-blk Sasha Levin
2011-05-04 13:45 ` [PATCH 1/3 V2] kvm tools: Move disk_image into virtio-blk Sasha Levin
2011-05-04 13:45 ` [PATCH 2/3 V2] kvm tools: Add support for multiple virtio-blk Sasha Levin
2011-05-04 13:56 ` Ingo Molnar
2011-05-04 14:32 ` Avi Kivity
2011-05-04 14:40 ` Asias He [this message]
2011-05-04 14:44 ` Sasha Levin
2011-05-04 14:51 ` Cyrill Gorcunov
2011-05-04 13:45 ` [PATCH 3/3 V2] kvm tools: Add cmdline options for loading multiple images Sasha Levin
2011-05-04 14:51 ` David Ahern
2011-05-04 15:03 ` Sasha Levin
2011-05-04 15:33 ` David Ahern
2011-05-04 19:38 ` Sasha Levin
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