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bb21ef19a3
Although we treat the DTM counters as free-running such that we're not too concerned about the initial DTM state, it's possible for a previous user to have left DTM counters enabled and paired with DTC counters. Thus if the first events are scheduled using some, but not all, DTMs, the as-yet-unused ones could end up adding spurious increments to the event counts at the DTC. Make sure we sync our initial DTM_PMU_CONFIG state to all the DTMs at probe time to avoid that possibility. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/ba5f38b3dc733cd06bfb5e659b697e76d18c2183.1670269572.git.robin.murphy@arm.com Signed-off-by: Will Deacon <will@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.
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.