From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: "Xie, Huawei" <huawei.xie@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH 4/6] vhost: workaround stale vring base
Date: Mon, 9 May 2016 11:22:04 -0700 [thread overview]
Message-ID: <20160509182204.GF5641@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <C37D651A908B024F974696C65296B57B4C753A67@SHSMSX101.ccr.corp.intel.com>
On Mon, May 09, 2016 at 04:25:38PM +0000, Xie, Huawei wrote:
> On 5/7/2016 2:36 PM, Yuanhan Liu wrote:
> > However, Michael claims some concerns: he made a good point: a crash
> > is happening means some memory is corrupted, and it could be the virtio
> > memory being corrupted. In such case, nothing will work without the
> > reset.
>
> I don't get this point. What is the scenario?
It's not a specific scenario, just a hypothetic one.
> For the crash of virtio frontend driver, i remember we discussed before,
> we have no good recipe but some workaround. The user space frontend
> driver crashes, and its memory is reallocated to other instances, but
> vhost is still writing to that memory. However this has nothing to do
> with vhost reconnect.
Hmm, yes, seems like another good point to me. This patch seems like
a fix but not a workaround then :)
--yliu
next prev parent reply other threads:[~2016-05-09 18:17 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-07 6:40 [PATCH 0/6] vhost: add vhost-user client mode and reconnect ability Yuanhan Liu
2016-05-07 6:40 ` [PATCH 1/6] vhost: rename structs for enabling client mode Yuanhan Liu
2016-05-07 6:40 ` [PATCH 2/6] vhost: add vhost-user " Yuanhan Liu
2016-05-09 10:33 ` Victor Kaplansky
2016-05-09 20:33 ` Yuanhan Liu
2016-05-09 20:30 ` Michael S. Tsirkin
2016-05-07 6:40 ` [PATCH 3/6] vhost: add reconnect ability Yuanhan Liu
2016-05-09 16:47 ` Xie, Huawei
2016-05-09 18:12 ` Yuanhan Liu
2016-05-10 7:24 ` Xie, Huawei
2016-05-10 7:54 ` Michael S. Tsirkin
2016-05-10 8:07 ` Xie, Huawei
2016-05-10 8:42 ` Michael S. Tsirkin
2016-05-10 9:00 ` Xie, Huawei
2016-05-10 9:17 ` Michael S. Tsirkin
2016-05-10 17:17 ` Loftus, Ciara
2016-05-11 21:46 ` Michael S. Tsirkin
2016-05-07 6:40 ` [PATCH 4/6] vhost: workaround stale vring base Yuanhan Liu
2016-05-09 10:45 ` Victor Kaplansky
2016-05-09 13:39 ` Xie, Huawei
2016-05-09 18:23 ` Yuanhan Liu
2016-05-09 12:19 ` Michael S. Tsirkin
2016-05-09 16:25 ` Xie, Huawei
2016-05-09 18:22 ` Yuanhan Liu [this message]
2016-06-13 20:47 ` Michael S. Tsirkin
2016-05-10 8:21 ` Xie, Huawei
2016-05-07 6:40 ` [PATCH 5/6] examples/vhost: add client and reconnect option Yuanhan Liu
2016-05-09 10:47 ` Victor Kaplansky
2016-05-07 6:40 ` [PATCH 6/6] vhost: add pmd " Yuanhan Liu
2016-05-09 10:54 ` Victor Kaplansky
2016-05-09 18:26 ` Yuanhan Liu
2016-05-10 3:23 ` [PATCH 0/6] vhost: add vhost-user client mode and reconnect ability Xu, Qian Q
2016-05-10 17:41 ` Yuanhan Liu
2016-05-13 6:16 ` [PATCH v2 " Yuanhan Liu
2016-05-13 6:16 ` [PATCH v2 1/6] vhost: rename structs for enabling client mode Yuanhan Liu
2016-05-13 6:16 ` [PATCH v2 2/6] vhost: add vhost-user " Yuanhan Liu
2016-05-13 6:16 ` [PATCH v2 3/6] vhost: add reconnect ability Yuanhan Liu
2016-05-13 6:16 ` [PATCH v2 4/6] vhost: workaround stale vring base Yuanhan Liu
2016-05-13 6:16 ` [PATCH v2 5/6] examples/vhost: add client and reconnect option Yuanhan Liu
2016-05-13 6:16 ` [PATCH v2 6/6] vhost: add pmd " Yuanhan Liu
2016-05-25 17:45 ` Rich Lane
2016-05-26 8:01 ` Yuanhan Liu
2016-06-07 4:05 ` [PATCH v3 0/6] vhost: add vhost-user client mode and reconnect ability Yuanhan Liu
2016-06-07 4:05 ` [PATCH v3 1/6] vhost: rename structs for enabling client mode Yuanhan Liu
2016-06-07 4:05 ` [PATCH v3 2/6] vhost: add vhost-user " Yuanhan Liu
2016-06-07 4:05 ` [PATCH v3 3/6] vhost: add reconnect ability Yuanhan Liu
2016-06-07 4:05 ` [PATCH v3 4/6] vhost: workaround stale vring base Yuanhan Liu
2016-06-07 4:05 ` [PATCH v3 5/6] examples/vhost: add client option Yuanhan Liu
2016-06-07 4:05 ` [PATCH v3 6/6] vhost: add pmd " Yuanhan Liu
2016-06-14 12:00 ` [PATCH v3 0/6] vhost: add vhost-user client mode and reconnect ability Yuanhan Liu
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