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182215d7fb
[ Upstream commit 5c31b0c677 ]
When injecting 2 bit ECC error, it will cause fatal AXI interrupts. Before
the recovery of SAS controller reset, the internal of SAS controller is in
error. If CQ interrupts return at the time, actually it is exception CQ
interrupt, and it may cause resource release in disorder.
To avoid the exception situation, shutdown AXI bus after fatal AXI
interrupt. In SAS controller reset, it will restart AXI bus. For later
version of v3 hw, hardware will shutdown AXI bus for this situation, so
just fix current ver of v3 hw.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.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.
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.