Re: [PATCH] PCI/shpchp: fix a bus speed issue on hotplug

2014-05-04 Thread Ronen Hod
On 05/01/2014 05:35 PM, Marcel Apfelbaum wrote: When a board is added, the shpchp driver checks if there is a mismatch between the bridge's adapter and the bus speed. If there is, it sets the subordinate speed (if there is no device on it). Since the speed is irrelevant when running in a VM, I

Re: [PATCH net V2] vhost: net: switch to use data copy if pending DMAs exceed the limit

2014-03-16 Thread Ronen Hod
On 03/13/2014 09:28 AM, Jason Wang wrote: On 03/10/2014 04:03 PM, Michael S. Tsirkin wrote: On Fri, Mar 07, 2014 at 01:28:27PM +0800, Jason Wang wrote: We used to stop the handling of tx when the number of pending DMAs exceeds VHOST_MAX_PEND. This is used to reduce the memory occupation of both

Re: [PATCH 0/5] Add vhost-blk support

2012-07-18 Thread Ronen Hod
On 07/17/2012 12:21 PM, Asias He wrote: On 07/17/2012 04:52 PM, Paolo Bonzini wrote: Il 17/07/2012 10:29, Asias He ha scritto: So, vhost-blk at least saves ~6 syscalls for us in each request. Are they really 6? If I/O is coalesced by a factor of 3, for example (i.e. each exit processes 3 req

Re: [net-next RFC V5 0/5] Multiqueue virtio-net

2012-07-08 Thread Ronen Hod
On 07/05/2012 01:29 PM, Jason Wang wrote: Hello All: This series is an update version of multiqueue virtio-net driver based on Krishna Kumar's work to let virtio-net use multiple rx/tx queues to do the packets reception and transmission. Please review and comments. Test Environment: - Intel(R)