Re: [uq/master patch 2/5] kvm: add logging count to slots

2010-04-24 Thread Jan Kiszka
Marcelo Tosatti wrote: Otherwise there is no way to differentiate between global and slot specific logging, so for example vga dirty log start migration start migration fail Disables dirty logging for the vga slot. This is not true (unless there is a bug): Migration logging is tracked

Re: [PATCH v4] Shared memory uio_pci driver

2010-04-24 Thread Avi Kivity
On 04/23/2010 08:45 PM, Cam Macdonell wrote: On Mon, Apr 12, 2010 at 2:57 PM, Avi Kivitya...@redhat.com wrote: There is work now to bring msi to the generic pci 2.3 driver, perhaps we can use that instead. From a quick look it looks fine. I'd be interested to follow this

Re: [PATCH 1/5] Add a global synchronization point for pvclock

2010-04-24 Thread Avi Kivity
On 04/24/2010 12:31 AM, Zachary Amsden wrote: On 04/22/2010 11:34 PM, Avi Kivity wrote: On 04/23/2010 04:44 AM, Zachary Amsden wrote: Or apply this patch. time-warp.patch diff -rup a/time-warp-test.c b/time-warp-test.c --- a/time-warp-test.c2010-04-15 16:30:13.955981607 -1000 +++

Re: [PATCH 1/5] Add a global synchronization point for pvclock

2010-04-24 Thread Avi Kivity
On 04/24/2010 12:41 AM, Zachary Amsden wrote: rsm is not technically privileged... but not quite usable from usermode ;) rsm under hardware virtualization makes my head hurt Either one independently is sufficient for me. -- Do not meddle in the internals of kernels, for they are subtle and

Re: RHEL5.5, 32-bit VM repeatedly locks up due to kvmclock

2010-04-24 Thread Avi Kivity
On 04/24/2010 02:21 AM, David S. Ahern wrote: On 04/23/2010 04:21 PM, BRUNO CESAR RIBAS wrote: Could you try hpet? I had similar problem with multicore and multiCPU (per mother board) [even with constant_tsc]. Since I changed the guest to hpet i had no more problems. It's stable in

Re: [PATCHv5] add mergeable receiver buffers support to vhost

2010-04-24 Thread Michael S. Tsirkin
On Fri, Apr 23, 2010 at 01:06:45PM -0700, David L Stevens wrote: This patch adds mergeable receive buffers support to vhost. Signed-off-by: David L Stevens dlstev...@us.ibm.com It seems the logging is wrong. Did you test live migration? Please do. I think reason for the bug could be you did

Re: [RFC][PATCH v3 2/3] Provides multiple submits and asynchronous notifications.

2010-04-24 Thread Michael S. Tsirkin
On Fri, Apr 23, 2010 at 03:08:33PM +0800, xiaohui@intel.com wrote: From: Xin Xiaohui xiaohui@intel.com The vhost-net backend now only supports synchronous send/recv operations. The patch provides multiple submits and asynchronous notifications. This is needed for zero-copy case.

RE: KVM warning about uncertified CPU for SMP for AMD model 2, stepping 3

2010-04-24 Thread Yuhong Bao
The point was that everyone can have a multi-core system for cheap these days, no real motivation for anyone anymore to use old unsupported configurations to get one. And BTW, another such old once common unsupported configuration that theLinux kernel never detected is the old dual Celerons.