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[ Upstream commit3c88ed1d79] In a multi-core machine, the mailbox service and reset service will be executed at the same time. The reset service will re-initialize the command queue, before that, the mailbox handler can only get some invalid messages. The HCLGE_STATE_CMD_DISABLE flag means that the command queue is not available and needs to be reinitialized. Therefore, when the mailbox handler recognizes this flag, it should not process the command. Fixes:dde1a86e93("net: hns3: Add mailbox support to PF driver") Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net> 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.