Re: [dpdk-dev] [PATCH v2 0/3] vhost: disable iommu support by default

2017-11-07 Thread Thomas Monjalon
07/11/2017 04:32, Yuanhan Liu: > On Mon, Nov 06, 2017 at 09:38:09PM +0100, Maxime Coquelin wrote: > > This series disables IOMMU feature by default, and introduce > > a new flag passed at vhost device registration time to enable > > it explicitly. > > > > When disabled, patch 1 also disables reply

Re: [dpdk-dev] [PATCH v2 0/3] vhost: disable iommu support by default

2017-11-07 Thread Maxime Coquelin
On 11/07/2017 12:08 PM, Kavanagh, Mark B wrote: From: Maxime Coquelin [mailto:maxime.coque...@redhat.com] Sent: Tuesday, November 7, 2017 11:05 AM To: Kavanagh, Mark B ; dev@dpdk.org; y...@fridaylinux.org; tho...@monjalon.net; ktray...@redhat.com Subject: Re: [PATCH v2 0/3] vhost: disable iommu

Re: [dpdk-dev] [PATCH v2 0/3] vhost: disable iommu support by default

2017-11-07 Thread Kevin Traynor
On 11/07/2017 11:30 AM, Maxime Coquelin wrote: > > > On 11/07/2017 12:25 PM, Kevin Traynor wrote: >> On 11/07/2017 10:56 AM, Kavanagh, Mark B wrote: From: Maxime Coquelin [mailto:maxime.coque...@redhat.com] Sent: Monday, November 6, 2017 8:38 PM To: dev@dpdk.org; y...@fridaylinux.o

Re: [dpdk-dev] [PATCH v2 0/3] vhost: disable iommu support by default

2017-11-07 Thread Maxime Coquelin
On 11/07/2017 12:25 PM, Kevin Traynor wrote: On 11/07/2017 10:56 AM, Kavanagh, Mark B wrote: From: Maxime Coquelin [mailto:maxime.coque...@redhat.com] Sent: Monday, November 6, 2017 8:38 PM To: dev@dpdk.org; y...@fridaylinux.org; Kavanagh, Mark B ; tho...@monjalon.net; ktray...@redhat.com Cc:

Re: [dpdk-dev] [PATCH v2 0/3] vhost: disable iommu support by default

2017-11-07 Thread Kevin Traynor
On 11/07/2017 10:56 AM, Kavanagh, Mark B wrote: >> From: Maxime Coquelin [mailto:maxime.coque...@redhat.com] >> Sent: Monday, November 6, 2017 8:38 PM >> To: dev@dpdk.org; y...@fridaylinux.org; Kavanagh, Mark B >> ; tho...@monjalon.net; ktray...@redhat.com >> Cc: Maxime Coquelin >> Subject: [PATCH

Re: [dpdk-dev] [PATCH v2 0/3] vhost: disable iommu support by default

2017-11-07 Thread Kavanagh, Mark B
>From: Maxime Coquelin [mailto:maxime.coque...@redhat.com] >Sent: Tuesday, November 7, 2017 11:05 AM >To: Kavanagh, Mark B ; dev@dpdk.org; >y...@fridaylinux.org; tho...@monjalon.net; ktray...@redhat.com >Subject: Re: [PATCH v2 0/3] vhost: disable iommu support by default > >Hi Mark, > >On 11/07/201

Re: [dpdk-dev] [PATCH v2 0/3] vhost: disable iommu support by default

2017-11-07 Thread Maxime Coquelin
Hi Mark, On 11/07/2017 11:56 AM, Kavanagh, Mark B wrote: From: Maxime Coquelin [mailto:maxime.coque...@redhat.com] Sent: Monday, November 6, 2017 8:38 PM To: dev@dpdk.org; y...@fridaylinux.org; Kavanagh, Mark B ; tho...@monjalon.net; ktray...@redhat.com Cc: Maxime Coquelin Subject: [PATCH v2 0/

Re: [dpdk-dev] [PATCH v2 0/3] vhost: disable iommu support by default

2017-11-07 Thread Kavanagh, Mark B
>From: Maxime Coquelin [mailto:maxime.coque...@redhat.com] >Sent: Monday, November 6, 2017 8:38 PM >To: dev@dpdk.org; y...@fridaylinux.org; Kavanagh, Mark B >; tho...@monjalon.net; ktray...@redhat.com >Cc: Maxime Coquelin >Subject: [PATCH v2 0/3] vhost: disable iommu support by default > >This ser

Re: [dpdk-dev] [PATCH v2 0/3] vhost: disable iommu support by default

2017-11-06 Thread Yuanhan Liu
On Mon, Nov 06, 2017 at 09:38:09PM +0100, Maxime Coquelin wrote: > This series disables IOMMU feature by default, and introduce > a new flag passed at vhost device registration time to enable > it explicitly. > > When disabled, patch 1 also disables reply-ack protocol feature > to avoid Qemu v2.7.

[dpdk-dev] [PATCH v2 0/3] vhost: disable iommu support by default

2017-11-06 Thread Maxime Coquelin
This series disables IOMMU feature by default, and introduce a new flag passed at vhost device registration time to enable it explicitly. When disabled, patch 1 also disables reply-ack protocol feature to avoid Qemu v2.7.0-v2.9.0 reply-ack bug with multiqueue. Last patch adds a Vhost PMD "iommu-s