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Issue: There is possibility of few DCMDs timing out with 'reset_mutex' lock held. As part of DCMD timeout handling, driver calls function megasas_reset_fusion which also tries to acquire same lock 'reset_mutex' and end up with deadlock. Fix: Upon timeout of DCMDs (which are fired with 'reset_mutex' lock held), driver will release 'reset_mutex' before calling OCR function and will acquire lock again after OCR function returns. Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com> Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.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.
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.