From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Gregory Haskins <ghaskins-Et1tbQHTxzrQT0dZR+AlfA@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
virtualization
<virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
Subject: Re: [PATCH 00/10] PV-IO v3
Date: Tue, 21 Aug 2007 20:12:38 +0300 [thread overview]
Message-ID: <46CB1D06.1040005@qumranet.com> (raw)
In-Reply-To: <1187714864.4363.358.camel-5CR4LY5GPkvLDviKLk5550HKjMygAv58XqFh9Ls21Oc@public.gmane.org>
Gregory Haskins wrote:
> On Tue, 2007-08-21 at 10:06 -0400, Gregory Haskins wrote:
>
>> On Tue, 2007-08-21 at 23:47 +1000, Rusty Russell wrote:
>>
>>> In the guest -> host direction, an interface like virtio is designed
>>> for batching, with the explicit distinction between add_buf & sync.
>>>
>> Right. IOQ has "iter_push()" and "signal()" as synonymous operations.
>>
>
> Hi Rusty,
> This reminded me of an area that I thought might have been missing in
> virtio compared to IOQ. That is, flexibility in the io-completion via
> the distinction between "signal" and "sync". sync() implies that its a
> blocking call based on the full drain of the queue, correct?
No, sync() means "make the other side aware that there's work to be done".
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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next prev parent reply other threads:[~2007-08-21 17:12 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-16 23:13 [PATCH 00/10] PV-IO v3 Gregory Haskins
[not found] ` <20070816231357.8044.55943.stgit-5CR4LY5GPkvLDviKLk5550HKjMygAv58XqFh9Ls21Oc@public.gmane.org>
2007-08-16 23:14 ` [PATCH 01/10] IOQ: Adding basic definitions for IO-Queue logic Gregory Haskins
2007-08-16 23:14 ` [PATCH 02/10] PARAVIRTUALIZATION: Add support for a bus abstraction Gregory Haskins
2007-08-16 23:14 ` [PATCH 03/10] IOQ: Add an IOQ network driver Gregory Haskins
2007-08-16 23:14 ` [PATCH 04/10] IOQNET: Add a test harness infrastructure to IOQNET Gregory Haskins
2007-08-16 23:14 ` [PATCH 05/10] IRQ: Export create_irq/destroy_irq Gregory Haskins
2007-08-16 23:14 ` [PATCH 06/10] KVM: Add a guest side driver for IOQ Gregory Haskins
2007-08-16 23:14 ` [PATCH 07/10] KVM: Add a gpa_to_hva helper function Gregory Haskins
2007-08-16 23:14 ` [PATCH 08/10] KVM: Add support for IOQ Gregory Haskins
2007-08-16 23:14 ` [PATCH 09/10] KVM: Add PVBUS support to the KVM host Gregory Haskins
2007-08-16 23:14 ` [PATCH 10/10] KVM: Add an IOQNET backend driver Gregory Haskins
2007-08-17 1:25 ` [PATCH 00/10] PV-IO v3 Rusty Russell
2007-08-17 5:26 ` [kvm-devel] " Gregory Haskins
2007-08-19 9:24 ` Avi Kivity
[not found] ` <1187313953.6449.70.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-08-17 5:26 ` Gregory Haskins
[not found] ` <1187328402.4363.110.camel-5CR4LY5GPkvLDviKLk5550HKjMygAv58XqFh9Ls21Oc@public.gmane.org>
2007-08-17 7:43 ` Rusty Russell
2007-08-17 13:50 ` [kvm-devel] " Gregory Haskins
[not found] ` <1187336618.6449.106.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-08-17 13:50 ` Gregory Haskins
2007-08-20 23:28 ` [kvm-devel] " Rusty Russell
[not found] ` <1187358614.4363.135.camel-5CR4LY5GPkvLDviKLk5550HKjMygAv58XqFh9Ls21Oc@public.gmane.org>
2007-08-20 23:28 ` Rusty Russell
[not found] ` <1187652496.19435.141.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-08-21 7:33 ` Dor Laor
[not found] ` <64F9B87B6B770947A9F8391472E032160D464FEB-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-08-21 7:58 ` Rusty Russell
2007-08-21 12:00 ` [kvm-devel] " Gregory Haskins
[not found] ` <1187683122.19435.171.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-08-21 12:00 ` Gregory Haskins
2007-08-21 12:25 ` [kvm-devel] " Avi Kivity
2007-08-21 13:47 ` Rusty Russell
[not found] ` <1187697638.4363.277.camel-5CR4LY5GPkvLDviKLk5550HKjMygAv58XqFh9Ls21Oc@public.gmane.org>
2007-08-21 12:25 ` Avi Kivity
[not found] ` <46CAD9CC.6050209-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-08-21 13:11 ` Gregory Haskins
2007-08-21 13:11 ` [kvm-devel] " Gregory Haskins
2007-08-21 13:47 ` Rusty Russell
2007-08-21 14:06 ` [kvm-devel] " Gregory Haskins
[not found] ` <1187704038.19435.194.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-08-21 14:06 ` Gregory Haskins
2007-08-21 16:47 ` [kvm-devel] " Gregory Haskins
[not found] ` <1187705162.4363.323.camel-5CR4LY5GPkvLDviKLk5550HKjMygAv58XqFh9Ls21Oc@public.gmane.org>
2007-08-21 16:47 ` Gregory Haskins
2007-08-21 17:12 ` [kvm-devel] " Avi Kivity
[not found] ` <1187714864.4363.358.camel-5CR4LY5GPkvLDviKLk5550HKjMygAv58XqFh9Ls21Oc@public.gmane.org>
2007-08-21 17:12 ` Avi Kivity [this message]
[not found] ` <46CB1D06.1040005-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-08-21 17:17 ` Gregory Haskins
2007-08-21 17:17 ` [kvm-devel] " Gregory Haskins
2007-08-22 3:29 ` Rusty Russell
2007-08-22 9:18 ` [kvm-devel] " Christian Borntraeger
[not found] ` <1187753365.6174.26.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-08-22 9:18 ` Christian Borntraeger
[not found] ` <200708221118.00990.borntraeger-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-08-22 9:26 ` Dor Laor
2007-08-22 9:30 ` [kvm-devel] " Christian Borntraeger
2007-08-22 10:40 ` Rusty Russell
[not found] ` <64F9B87B6B770947A9F8391472E032160D503D81-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-08-22 9:30 ` Christian Borntraeger
[not found] ` <200708221130.17364.borntraeger-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-08-22 10:05 ` Dor Laor
2007-08-22 10:05 ` [kvm-devel] " Dor Laor
2007-08-22 10:40 ` Rusty Russell
[not found] ` <1187779205.6174.87.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-08-22 11:47 ` Avi Kivity
2007-08-22 11:47 ` [kvm-devel] " Avi Kivity
2007-08-22 9:26 ` Dor Laor
2007-08-22 3:29 ` Rusty Russell
2007-08-21 12:29 ` Avi Kivity
2007-08-21 12:29 ` [kvm-devel] " Avi Kivity
2007-08-21 7:58 ` Rusty Russell
2007-08-21 7:33 ` Dor Laor
2007-08-17 7:43 ` Rusty Russell
2007-08-19 9:24 ` Avi Kivity
2007-08-20 13:50 ` [kvm-devel] " Gregory Haskins
[not found] ` <46C80C5B.7070009-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-08-20 13:50 ` Gregory Haskins
2007-08-20 14:03 ` [kvm-devel] " Dor Laor
2007-08-20 14:12 ` Avi Kivity
[not found] ` <64F9B87B6B770947A9F8391472E032160D4649E2-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-08-20 14:12 ` Avi Kivity
2007-08-20 23:24 ` [kvm-devel] " Rusty Russell
[not found] ` <46C9A150.60101-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-08-20 23:24 ` Rusty Russell
2007-08-20 14:17 ` Gregory Haskins
2007-08-20 14:17 ` [kvm-devel] " Gregory Haskins
[not found] ` <1187617806.4363.179.camel-5CR4LY5GPkvLDviKLk5550HKjMygAv58XqFh9Ls21Oc@public.gmane.org>
2007-08-20 14:14 ` Avi Kivity
2007-08-20 14:14 ` [kvm-devel] " Avi Kivity
2007-08-17 1:25 ` Rusty Russell
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