37862dafcb
In order to support 32-bit systems, the 8B doorbell write should be done by 2 4B stores. The order between the store is important, that's why memory barrier should be used between them. The doorbell address is shared between all the queues, that's why a lock should wrap the 2 stores. Signed-off-by: Matan Azrad <matan@nvidia.com> Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.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