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8ea9c33d48
For cases when the mailbox background operation is not complete,
do not "handle" the interrupt, as it was not from this device.
And furthermore there are no racy scenarios such as the hw being
out of sync with the driver and starting a new background op
behind its back.
Reported-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Fixes: ccadf1310f (cxl/mbox: Add background cmd handling machinery)
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20230612181038.14421-2-dave@stgolabs.net
Signed-off-by: Dan Williams <dan.j.williams@intel.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.