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327f242fa8
There is a bug of v3 hw development version. When AXI error happen, hw may return an abnormal CQ that IPTT value is 0xffff. This will cause IPTT out-of-bounds reference. This patch adds a check of IPTT in cq_tasklet_v3_hw() and discards invalid slot. This workaround scheme is just to enhance fault-tolerance of the driver. So, we will apply this scheme for all version of v3 hw, although release version has fixed this SoC bug. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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.