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a235d7d963
The complexity of dropping the lock is removed in favor of splitting commit operations to a helper, and leaving all the complexities of "decommit" for commit_store() to coordinate the different locking contexts. The CPU cache-invalidation in the decommit path is solely handled now by cxl_region_decode_reset(). Previously the CPU caches were being needlessly flushed twice in the decommit path where the first flush had no guarantee that the memory would not be immediately re-dirtied. Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: Jonathan Cameron <jonathan.cameron@huawei.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Alison Schofield <alison.schofield@intel.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: Ira Weiny <ira.weiny@intel.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Fabio M. De Francesco <fabio.m.de.francesco@linux.intel.com> Link: https://patch.msgid.link/20250711234932.671292-6-dan.j.williams@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.