Re: [PATCH] KVM: ARM: enable Cortex A7 hosts

2013-09-24 Thread Simon Horman
On Thu, Sep 19, 2013 at 02:01:48PM +0200, Ulrich Hecht wrote: KVM runs fine on Cortex A7 cores, so they should be enabled. Tested on an APE6EVM board (r8a73a4 SoC). Signed-off-by: Ulrich Hecht ulrich.he...@gmail.com Hi Ulrich, I'm not entirely sure but it seems to me that you should expand

Re: KVM induced panic on 2.6.38[2367] 2.6.39

2011-06-09 Thread Simon Horman
On Thu, Jun 09, 2011 at 01:02:13AM +0800, Brad Campbell wrote: On 08/06/11 11:59, Eric Dumazet wrote: Well, a bisection definitely should help, but needs a lot of time in your case. Yes. compile, test, crash, walk out to the other building to press reset, lather, rinse, repeat. I need

Re: [v3 RFC PATCH 0/4] Implement multiqueue virtio-net

2011-02-23 Thread Simon Horman
On Wed, Feb 23, 2011 at 10:52:09AM +0530, Krishna Kumar2 wrote: Simon Horman ho...@verge.net.au wrote on 02/22/2011 01:17:09 PM: Hi Simon, I have a few questions about the results below: 1. Are the (%) comparisons between non-mq and mq virtio? Yes - mainline kernel with transmit

Re: [v3 RFC PATCH 0/4] Implement multiqueue virtio-net

2011-02-22 Thread Simon Horman
On Wed, Oct 20, 2010 at 02:24:52PM +0530, Krishna Kumar wrote: Following set of patches implement transmit MQ in virtio-net. Also included is the user qemu changes. MQ is disabled by default unless qemu specifies it. Hi Krishna, I have a few questions about the results below: 1. Are the

Re: Flow Control and Port Mirroring Revisited

2011-01-23 Thread Simon Horman
On Sun, Jan 23, 2011 at 12:39:02PM +0200, Michael S. Tsirkin wrote: On Sun, Jan 23, 2011 at 05:38:49PM +1100, Simon Horman wrote: On Sat, Jan 22, 2011 at 11:57:42PM +0200, Michael S. Tsirkin wrote: On Sat, Jan 22, 2011 at 10:11:52AM +1100, Simon Horman wrote: On Fri, Jan 21, 2011 at 11

Re: Flow Control and Port Mirroring Revisited

2011-01-22 Thread Simon Horman
On Sat, Jan 22, 2011 at 11:57:42PM +0200, Michael S. Tsirkin wrote: On Sat, Jan 22, 2011 at 10:11:52AM +1100, Simon Horman wrote: On Fri, Jan 21, 2011 at 11:59:30AM +0200, Michael S. Tsirkin wrote: On Thu, Jan 20, 2011 at 05:38:33PM +0900, Simon Horman wrote: [ Trimmed Eric from CC list

Re: Flow Control and Port Mirroring Revisited

2011-01-21 Thread Simon Horman
On Fri, Jan 21, 2011 at 11:59:30AM +0200, Michael S. Tsirkin wrote: On Thu, Jan 20, 2011 at 05:38:33PM +0900, Simon Horman wrote: [ Trimmed Eric from CC list as vger was complaining that it is too long ] On Tue, Jan 18, 2011 at 11:41:22AM -0800, Rick Jones wrote: So it won't be all

Re: Flow Control and Port Mirroring Revisited

2011-01-20 Thread Simon Horman
[ Trimmed Eric from CC list as vger was complaining that it is too long ] On Tue, Jan 18, 2011 at 11:41:22AM -0800, Rick Jones wrote: So it won't be all that simple to implement well, and before we try, I'd like to know whether there are applications that are helped by it. For example, we

Re: Flow Control and Port Mirroring Revisited

2011-01-19 Thread Simon Horman
On Tue, Jan 18, 2011 at 10:13:33PM +0200, Michael S. Tsirkin wrote: On Tue, Jan 18, 2011 at 11:41:22AM -0800, Rick Jones wrote: So it won't be all that simple to implement well, and before we try, I'd like to know whether there are applications that are helped by it. For example, we could

Re: Flow Control and Port Mirroring Revisited

2011-01-16 Thread Simon Horman
On Fri, Jan 14, 2011 at 08:54:15AM +0200, Michael S. Tsirkin wrote: On Fri, Jan 14, 2011 at 03:35:28PM +0900, Simon Horman wrote: On Fri, Jan 14, 2011 at 06:58:18AM +0200, Michael S. Tsirkin wrote: On Fri, Jan 14, 2011 at 08:41:36AM +0900, Simon Horman wrote: On Thu, Jan 13, 2011 at 10

Re: Flow Control and Port Mirroring Revisited

2011-01-13 Thread Simon Horman
On Thu, Jan 13, 2011 at 10:45:38AM -0500, Jesse Gross wrote: On Thu, Jan 13, 2011 at 1:47 AM, Simon Horman ho...@verge.net.au wrote: On Mon, Jan 10, 2011 at 06:31:55PM +0900, Simon Horman wrote: On Fri, Jan 07, 2011 at 10:23:58AM +0900, Simon Horman wrote: On Thu, Jan 06, 2011 at 05:38

Re: Flow Control and Port Mirroring Revisited

2011-01-13 Thread Simon Horman
On Fri, Jan 14, 2011 at 06:58:18AM +0200, Michael S. Tsirkin wrote: On Fri, Jan 14, 2011 at 08:41:36AM +0900, Simon Horman wrote: On Thu, Jan 13, 2011 at 10:45:38AM -0500, Jesse Gross wrote: On Thu, Jan 13, 2011 at 1:47 AM, Simon Horman ho...@verge.net.au wrote: On Mon, Jan 10, 2011

Re: Flow Control and Port Mirroring Revisited

2011-01-12 Thread Simon Horman
On Mon, Jan 10, 2011 at 06:31:55PM +0900, Simon Horman wrote: On Fri, Jan 07, 2011 at 10:23:58AM +0900, Simon Horman wrote: On Thu, Jan 06, 2011 at 05:38:01PM -0500, Jesse Gross wrote: [ snip ] I know that everyone likes a nice netperf result but I agree with Michael

Re: Flow Control and Port Mirroring Revisited

2011-01-10 Thread Simon Horman
On Fri, Jan 07, 2011 at 10:23:58AM +0900, Simon Horman wrote: On Thu, Jan 06, 2011 at 05:38:01PM -0500, Jesse Gross wrote: [ snip ] I know that everyone likes a nice netperf result but I agree with Michael that this probably isn't the right question to be asking. I don't think

Flow Control and Port Mirroring Revisited

2011-01-06 Thread Simon Horman
Hi, Back in October I reported that I noticed a problem whereby flow control breaks down when openvswitch is configured to mirror a port[1]. I have (finally) looked into this further and the problem appears to relate to cloning of skbs, as Jesse Gross originally suspected. More specifically, in

Re: Flow Control and Port Mirroring Revisited

2011-01-06 Thread Simon Horman
On Thu, Jan 06, 2011 at 12:27:55PM +0200, Michael S. Tsirkin wrote: On Thu, Jan 06, 2011 at 06:33:12PM +0900, Simon Horman wrote: Hi, Back in October I reported that I noticed a problem whereby flow control breaks down when openvswitch is configured to mirror a port[1]. Apropos

Re: Flow Control and Port Mirroring Revisited

2011-01-06 Thread Simon Horman
On Thu, Jan 06, 2011 at 02:07:22PM +0200, Michael S. Tsirkin wrote: On Thu, Jan 06, 2011 at 08:30:52PM +0900, Simon Horman wrote: On Thu, Jan 06, 2011 at 12:27:55PM +0200, Michael S. Tsirkin wrote: On Thu, Jan 06, 2011 at 06:33:12PM +0900, Simon Horman wrote: Hi, Back in October

Re: Flow Control and Port Mirroring Revisited

2011-01-06 Thread Simon Horman
On Thu, Jan 06, 2011 at 11:22:42AM +0100, Eric Dumazet wrote: Le jeudi 06 janvier 2011 à 18:33 +0900, Simon Horman a écrit : Hi, Back in October I reported that I noticed a problem whereby flow control breaks down when openvswitch is configured to mirror a port[1]. I have (finally

Re: Flow Control and Port Mirroring Revisited

2011-01-06 Thread Simon Horman
On Thu, Jan 06, 2011 at 02:28:18PM +0100, Eric Dumazet wrote: Le jeudi 06 janvier 2011 à 21:44 +0900, Simon Horman a écrit : Hi Eric ! Thanks for the advice. I had thought about the socket buffer but at some point it slipped my mind. In any case the following patch seems

Re: Flow Control and Port Mirroring Revisited

2011-01-06 Thread Simon Horman
On Thu, Jan 06, 2011 at 05:38:01PM -0500, Jesse Gross wrote: [ snip ] I know that everyone likes a nice netperf result but I agree with Michael that this probably isn't the right question to be asking. I don't think that socket buffers are a real solution to the flow control problem: they

Re: [ovs-dev] Flow Control and Port Mirroring

2010-11-07 Thread Simon Horman
On Mon, Nov 08, 2010 at 01:41:23PM +1030, Rusty Russell wrote: On Sat, 30 Oct 2010 01:29:33 pm Simon Horman wrote: [ CCed VHOST contacts ] On Thu, Oct 28, 2010 at 01:22:02PM -0700, Jesse Gross wrote: On Thu, Oct 28, 2010 at 4:54 AM, Simon Horman ho...@verge.net.au wrote: My

Re: [ovs-dev] Flow Control and Port Mirroring

2010-10-29 Thread Simon Horman
[ CCed VHOST contacts ] On Thu, Oct 28, 2010 at 01:22:02PM -0700, Jesse Gross wrote: On Thu, Oct 28, 2010 at 4:54 AM, Simon Horman ho...@verge.net.au wrote: My reasoning is that in the non-mirroring case the guest is limited by the external interface through wich the packets eventually

Re: [PATCH qemu-kvm] device assignment: default requires IOMMU

2009-12-23 Thread Simon Horman
On Thu, Dec 24, 2009 at 01:45:34AM +0100, Alexander Graf wrote: Am 23.12.2009 um 23:40 schrieb Chris Wright chr...@sous-sol.org: [ resend, fixing email header, sorry for duplicate ] The default mode for device assignment is to rely on an IOMMU for proper translations and a functioning

Re: [PATCH qemu-kvm] device assignment: default requires IOMMU

2009-12-23 Thread Simon Horman
On Thu, Dec 24, 2009 at 02:56:00PM +0800, Sheng Yang wrote: On Thursday 24 December 2009 14:51:23 Simon Horman wrote: On Thu, Dec 24, 2009 at 01:45:34AM +0100, Alexander Graf wrote: Am 23.12.2009 um 23:40 schrieb Chris Wright chr...@sous-sol.org: [ resend, fixing email header, sorry

Re: copyless virtio net thoughts?

2009-02-19 Thread Simon Horman
On Thu, Feb 19, 2009 at 10:06:17PM +1030, Rusty Russell wrote: On Thursday 19 February 2009 10:01:42 Simon Horman wrote: On Wed, Feb 18, 2009 at 10:08:00PM +1030, Rusty Russell wrote: 2) Direct NIC attachment This is particularly interesting with SR-IOV or other multiqueue nics

Re: copyless virtio net thoughts?

2009-02-18 Thread Simon Horman
that have multiple NICs? -- Simon Horman VA Linux Systems Japan K.K., Sydney, Australia Satellite Office H: www.vergenet.net/~horms/ W: www.valinux.co.jp/en -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to majord...@vger.kernel.org More majordomo

Re: [PATCH 2/16 v6] PCI: define PCI resource names in an 'enum'

2008-11-13 Thread Simon Horman
- #ifndef PCI_BUS_NUM_RESOURCES #define PCI_BUS_NUM_RESOURCES16 #endif -- Simon Horman VA Linux Systems Japan K.K., Sydney, Australia Satellite Office H: www.vergenet.net/~horms/ W: www.valinux.co.jp/en -- To unsubscribe from this list: send the line unsubscribe kvm

Re: [PATCH 0/16 v6] PCI: Linux kernel SR-IOV support

2008-11-06 Thread Simon Horman
.html -- Simon Horman VA Linux Systems Japan K.K., Sydney, Australia Satellite Office H: www.vergenet.net/~horms/ W: www.valinux.co.jp/en -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to [EMAIL PROTECTED] More majordomo info at http

Re: git repository for SR-IOV development?

2008-11-06 Thread Simon Horman
set out there which I've not yet examined. FWIW, the v6 patch series (this thread) applied to both 2.6.28-rc3 and the current Linus tree after a minor tweak to the first patch, as below. -- Simon Horman VA Linux Systems Japan K.K., Sydney, Australia Satellite Office H: www.vergenet.net/~horms

Re: [PATCH 0/2] kvm: disable virtualization on kdump

2008-10-23 Thread Simon Horman
[ Added Andrew Morton, Eric Biederman, Vivek Goyal and Haren Myneni to CC ] On Thu, Oct 23, 2008 at 05:41:29PM -0200, Eduardo Habkost wrote: On Thu, Oct 23, 2008 at 10:28:24AM +1100, Simon Horman wrote: On Mon, Oct 20, 2008 at 01:01:32PM -0200, Eduardo Habkost wrote: The following two

Re: [PATCH 0/2] kvm: disable virtualization on kdump

2008-10-22 Thread Simon Horman
if an arch-independent interface would be more appropriate for this case. It was tested only using kvm-intel. Testing on different machines is welcome. These changes look fine to me from a kexec/kdump point of view. Reviewed-by: Simon Horman [EMAIL PROTECTED] -- Simon Horman VA Linux Systems