Re: [PATCH] powerpc/epapr: export epapr_hypercall_start

2012-08-11 Thread Geert Uytterhoeven
On Sat, Aug 11, 2012 at 12:21 AM, Scott Wood scottw...@freescale.com wrote: +EXPORT_SYMBOL(epapr_hypercall_start); EXPORT_SYMBOL_GPL? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org In personal conversations

Will KVM support Xen on KVM type in nested virtualization ?

2012-08-11 Thread Ren, Yongjie
Hi folks, I did some basic testing on nested virtualization on Intel x86-64 platform. Will KVM support Xen as L1 guest in nested virtualization ? When I tried Xen on KVM mode, I found VMX can't be initialized in L1 Xen hypervisor. I tried both -cpu host and -cpu qemu64,+vmx parameters in

Re: [PATCH 0/3] Documentation : hypercalls

2012-08-11 Thread Raghavendra K T
On 08/10/2012 12:01 AM, Marcelo Tosatti wrote: On Tue, Aug 07, 2012 at 01:09:46PM +0530, Raghavendra K T wrote: This is the hypercall documentation patch series First patch covers KVM specific hypercall information. second patch is has typo fix for vmcall instruction comment in kvm_para.h

Re: [PATCH 09/15] memory: prepare flatview and radix-tree for rcu style access

2012-08-11 Thread liu ping fan
On Sat, Aug 11, 2012 at 9:58 AM, liu ping fan qemul...@gmail.com wrote: On Wed, Aug 8, 2012 at 5:41 PM, Avi Kivity a...@redhat.com wrote: On 08/08/2012 09:25 AM, Liu Ping Fan wrote: From: Liu Ping Fan pingf...@linux.vnet.ibm.com Flatview and radix view are all under the protection of pointer.

Re: virtio-scsi - vhost multi lun/adapter performance results with 3.6-rc0

2012-08-11 Thread Stefan Hajnoczi
On Sat, Aug 11, 2012 at 12:23 AM, Nicholas A. Bellinger n...@linux-iscsi.org wrote: Using a KVM guest with 32x vCPUs and 4G memory, the results for 4x random I/O now look like: workload | jobs | 25% write / 75% read | 75% write / 25% read

Re: [PATCH] powerpc/epapr: export epapr_hypercall_start

2012-08-11 Thread Tabi Timur-B04825
On Sat, Aug 11, 2012 at 2:01 AM, Geert Uytterhoeven ge...@linux-m68k.org wrote: On Sat, Aug 11, 2012 at 12:21 AM, Scott Wood scottw...@freescale.com wrote: +EXPORT_SYMBOL(epapr_hypercall_start); EXPORT_SYMBOL_GPL? We prefer EXPORT_SYMBOL. We don't want to restrict our customers from having

Re: [PATCH] powerpc/epapr: export epapr_hypercall_start

2012-08-11 Thread Alexander Graf
On 11.08.2012, at 00:21, Scott Wood wrote: This fixes breakage introduced by the following commit: commit 6d2d82627f4f1e96a33664ace494fa363e0495cb Author: Liu Yu-B13201 yu@freescale.com Date: Tue Jul 3 05:48:56 2012 + PPC: Don't use hardcoded opcode for ePAPR hcall

Re: [Question]About KVM network zero-copy feature!

2012-08-11 Thread Stephen Hemminger
On Fri, 10 Aug 2012 11:34:32 +0800 Peter Huang(Peng) peter.huangp...@huawei.com wrote: Hi,All I searched from git-log, and found that until now we have vhost TX zero-copy experiment feature, how about RX zero-copy? For XEN, net-back also only has TX zero-copy, Is there any reason that

Re: [Question]About KVM network zero-copy feature!

2012-08-11 Thread Robert Vineyard
On Fri, 10 Aug 2012 11:34:32 +0800 Peter Huang(Peng) peter.huangp...@huawei.com wrote: I searched from git-log, and found that until now we have vhost TX zero-copy experiment feature, how about RX zero-copy? On 08/11/2012 04:55 PM, Stephen Hemminger wrote: There is no guarantee that packet

Re: [Question]About KVM network zero-copy feature!

2012-08-11 Thread Robert Vineyard
(adding Xin Xiaohui to the conversation for comment) According to the NetworkingTodo page on the KVM wiki, zero-copy RX for macvtap is in fact on the roadmap, assigned to Xin: http://www.linux-kvm.org/page/NetworkingTodo The Release Notes for RHEL 6.2 (originally published on 12/06/2011)

Re: [PATCH] powerpc/epapr: export epapr_hypercall_start

2012-08-11 Thread Geert Uytterhoeven
On Sat, Aug 11, 2012 at 12:21 AM, Scott Wood scottw...@freescale.com wrote: +EXPORT_SYMBOL(epapr_hypercall_start); EXPORT_SYMBOL_GPL? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org In personal conversations

Re: [PATCH] powerpc/epapr: export epapr_hypercall_start

2012-08-11 Thread Tabi Timur-B04825
On Sat, Aug 11, 2012 at 2:01 AM, Geert Uytterhoeven ge...@linux-m68k.org wrote: On Sat, Aug 11, 2012 at 12:21 AM, Scott Wood scottw...@freescale.com wrote: +EXPORT_SYMBOL(epapr_hypercall_start); EXPORT_SYMBOL_GPL? We prefer EXPORT_SYMBOL. We don't want to restrict our customers from having

Re: [PATCH] powerpc/epapr: export epapr_hypercall_start

2012-08-11 Thread Alexander Graf
On 11.08.2012, at 00:21, Scott Wood wrote: This fixes breakage introduced by the following commit: commit 6d2d82627f4f1e96a33664ace494fa363e0495cb Author: Liu Yu-B13201 yu@freescale.com Date: Tue Jul 3 05:48:56 2012 + PPC: Don't use hardcoded opcode for ePAPR hcall