From: Xueming Li <xuemingl@nvidia.com>
To: <qemu-devel@nongnu.org>
Cc: <xuemingl@nvidia.com>, <qemu-stable@nongnu.org>
Subject: [PATCH v2 0/2] Improve vhost-user VQ notifier unmap
Date: Fri, 17 Sep 2021 20:26:14 +0800 [thread overview]
Message-ID: <20210917122616.6067-1-xuemingl@nvidia.com> (raw)
In-Reply-To: <20210912162014.106704-1-xuemingl@nvidia.com>
When vDPA applicaiton in client mode shutdown, unmapped VQ notifier
might being accessed by vCPU thread under high tx traffic, it will
crash VM in rare conditon. This patch try to fix it with better RCU
sychronization of new flatview.
v2: no RCU draining on vCPU thread
Xueming Li (2):
vhost-user: fix VirtQ notifier cleanup
vhost-user: remove VirtQ notifier restore
hw/virtio/vhost-user.c | 40 +++++++++++++---------------------
include/hw/virtio/vhost-user.h | 1 -
2 files changed, 15 insertions(+), 26 deletions(-)
--
2.33.0
next prev parent reply other threads:[~2021-09-17 12:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-12 16:20 [PATCH 0/2] Improve vhost-user VQ notifier unmap Xueming Li
2021-09-12 16:20 ` [PATCH 1/2] vhost-user: fix VirtQ notifier cleanup Xueming Li
2021-09-14 8:42 ` Xueming(Steven) Li
2021-09-12 16:20 ` [PATCH 2/2] vhost-user: remove VirtQ notifier restore Xueming Li
2021-09-17 12:26 ` Xueming Li [this message]
2021-09-17 12:26 ` [PATCH v2 1/2] vhost-user: fix VirtQ notifier cleanup Xueming Li
2021-10-05 14:40 ` Michael S. Tsirkin
2021-10-08 8:00 ` Xueming(Steven) Li
2021-09-17 12:26 ` [PATCH v2 2/2] vhost-user: remove VirtQ notifier restore Xueming Li
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