Re: [PATCH RESEND 1/2] xenbus_client: Extend interface to support multi-page ring

2015-03-31 Thread Bob Liu
Hi Juergen, On 03/31/2015 08:36 PM, Juergen Gross wrote: > On 03/31/2015 02:15 PM, Bob Liu wrote: >> From: Wei Liu >> >> Originally Xen PV drivers only use single-page ring to pass along >> information. This might limit the throughput between frontend and >> backend. >> >> The patch extends Xenbu

Re: [PATCH RESEND 1/2] xenbus_client: Extend interface to support multi-page ring

2015-03-31 Thread Juergen Gross
On 03/31/2015 03:13 PM, Wei Liu wrote: On Tue, Mar 31, 2015 at 02:36:43PM +0200, Juergen Gross wrote: On 03/31/2015 02:15 PM, Bob Liu wrote: From: Wei Liu Originally Xen PV drivers only use single-page ring to pass along information. This might limit the throughput between frontend and backen

Re: [PATCH RESEND 1/2] xenbus_client: Extend interface to support multi-page ring

2015-03-31 Thread Wei Liu
On Tue, Mar 31, 2015 at 02:36:43PM +0200, Juergen Gross wrote: > On 03/31/2015 02:15 PM, Bob Liu wrote: > >From: Wei Liu > > > >Originally Xen PV drivers only use single-page ring to pass along > >information. This might limit the throughput between frontend and > >backend. > > > >The patch extend

Re: [PATCH RESEND 1/2] xenbus_client: Extend interface to support multi-page ring

2015-03-31 Thread Juergen Gross
On 03/31/2015 02:15 PM, Bob Liu wrote: From: Wei Liu Originally Xen PV drivers only use single-page ring to pass along information. This might limit the throughput between frontend and backend. The patch extends Xenbus driver to support multi-page ring, which in general should improve throughp

[PATCH RESEND 1/2] xenbus_client: Extend interface to support multi-page ring

2015-03-31 Thread Bob Liu
From: Wei Liu Originally Xen PV drivers only use single-page ring to pass along information. This might limit the throughput between frontend and backend. The patch extends Xenbus driver to support multi-page ring, which in general should improve throughput if ring is the bottleneck. Changes to