Debugging of problems involving insanely long-running SMI handlers proceeds better if the CSD-lock timeout can be adjusted. This commit therefore provides a new smp.csd_lock_timeout kernel boot parameter that specifies the timeout in milliseconds. The default remains at the previously hard-coded value of five seconds. [ paulmck: Apply feedback from Juergen Gross. ] Cc: Rik van Riel <riel@surriel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Paul E. McKenney <paulmck@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.
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