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[ Upstream commit4d6e6b0c6d] The commit cited below switched from using napi_synchronize to synchronize_rcu to have a guarantee that it will finish in finite time. However, on average, synchronize_rcu takes more time than napi_synchronize. Given that it's called multiple times per channel on deactivation, it accumulates to a significant amount, which causes timeouts in some applications (for example, when using bonding with NetworkManager). This commit replaces synchronize_rcu with synchronize_net, which is faster when called under rtnl_lock, allowing to speed up the described flow. Fixes:9c25a22dfb("net/mlx5e: Use synchronize_rcu to sync with NAPI") Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.