From: Avi Kivity <avi@redhat.com>
To: Cam Macdonell <cam@cs.ualberta.ca>
Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org
Subject: Re: [PATCH v3 0/2] Inter-VM shared memory PCI device
Date: Fri, 26 Mar 2010 18:56:11 +0300 [thread overview]
Message-ID: <4BACD91B.2070604@redhat.com> (raw)
In-Reply-To: <8286e4ee1003251605rd3b0694tb2e98bd34e9b0fea@mail.gmail.com>
On 03/26/2010 01:05 AM, Cam Macdonell wrote:
>
>> I meant a unicast doorbell: 16 bits for guest ID, 16 bits for vector number.
>>
> Ah, yes. Who knew "two bit registers" is an ambiguous term. Do you
> strongly prefer the one doorbell design?
>
Just floating out ideas. An advantage is that it conserves register
space; this is important if we use PIO. For mmio this isn't so important.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
next prev parent reply other threads:[~2010-03-26 15:56 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-25 6:08 [PATCH v3 0/2] Inter-VM shared memory PCI device Cam Macdonell
2010-03-25 6:08 ` [PATCH v3 1/2] Support adding a file to qemu's ram allocation Cam Macdonell
2010-03-25 6:08 ` [PATCH v3 2/2] Inter-VM shared memory PCI device Cam Macdonell
2010-03-25 9:04 ` [PATCH v3 0/2] " Avi Kivity
2010-03-25 9:21 ` Michael S. Tsirkin
2010-03-25 16:11 ` Cam Macdonell
2010-03-25 9:26 ` Markus Armbruster
2010-03-25 9:37 ` Avi Kivity
2010-03-25 16:50 ` Cam Macdonell
2010-03-25 17:02 ` Avi Kivity
2010-03-25 17:35 ` Cam Macdonell
2010-03-25 17:48 ` Avi Kivity
2010-03-25 18:17 ` Cam Macdonell
2010-03-25 21:10 ` Avi Kivity
2010-03-25 23:05 ` Cam Macdonell
2010-03-26 15:56 ` Avi Kivity [this message]
2010-03-26 1:32 ` [Qemu-devel] " Jamie Lokier
2010-03-26 15:52 ` Cam Macdonell
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