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The coresight SoC 600 supports ETR save-restore which allows us to restore a trace session by retaining the RRP/RWP/STS.Full values when the TMC leaves the Disabled state. However, the TMC doesn't have a scatter-gather unit in built. Also, TMCs have different PIDs in different configurations (ETF, ETB & ETR), unlike the previous generation. While the DEVID exposes some of the features/changes in the TMC, it doesn't explicitly advertises the new save-restore feature as described above. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.