When async unregister function is invoked in certain vhost event callbacks (e.g. vring state change), deadlock may occur due to recursive spinlock acquire. This patch uses trylock() primitive in the unregister API to avoid deadlock. Fixes: 78639d54563a ("vhost: introduce async enqueue registration API") Cc: stable@dpdk.org Signed-off-by: Patrick Fu <patrick.fu@intel.com> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
DPDK is a set of libraries and drivers for fast packet processing. It supports many processor architectures and both FreeBSD and Linux. The DPDK uses the Open Source BSD-3-Clause license for the core libraries and drivers. The kernel components are GPL-2.0 licensed. Please check the doc directory for release notes, API documentation, and sample application information. For questions and usage discussions, subscribe to: users@dpdk.org Report bugs and issues to the development mailing list: dev@dpdk.org
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