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d95f20c4f0
Previously we did not call INIT_KFIFO() for aer_fifo. This leads to
kfifo_put() sometimes returning 0 (queue full) when in fact it is not.
It is easy to reproduce the problem by using aer-inject:
$ aer-inject -s :82:00.0 multiple-corr-nonfatal
The content of the multiple-corr-nonfatal file is as below:
AER
COR RCVR
HL 0 1 2 3
AER
UNCOR POISON_TLP
HL 4 5 6 7
Fixes: 27c1ce8bbe ("PCI/AER: Use kfifo for tracking events instead of reimplementing it")
Link: https://lore.kernel.org/r/1579767991-103898-1-git-send-email-liudongdong3@huawei.com
Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.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.
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.