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25a0207828
The core functions that validate and send inject and clear commands to the memdev devices require holding both the dpa_rwsem and the region_rwsem. In preparation for another caller of these functions that must hold the locks upon entry, split the work into a locked and unlocked pair. Consideration was given to moving the locking to both callers, however, the existing caller is not in the core (mem.c) and cannot access the locks. Signed-off-by: Alison Schofield <alison.schofield@intel.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Link: https://patch.msgid.link/1d601f586975195733984ca63d1b5789bbe8690f.1754290144.git.alison.schofield@intel.com Signed-off-by: Dave Jiang <dave.jiang@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 reStructuredText 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.