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Prior to the TSC ADJUST MSR being available, the method to set TSC's in sync with each other naturally caused a small skew between cpu threads. This was NOT a firmware bug at the time so introducing a whole avalanche of alarming warning messages might cause unnecessary concern and customer complaints. (Example: >3000 msgs in a 32 socket Skylake system.) Simply report the warning condition, if possible do the necessary fixes, and move on. Signed-off-by: Mike Travis <mike.travis@hpe.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Dimitri Sivanich <dimitri.sivanich@hpe.com> Reviewed-by: Russ Anderson <russ.anderson@hpe.com> Reviewed-by: Peter Zijlstra <peterz@infradead.org> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Andrew Banman <andrew.banman@hpe.com> Cc: Bin Gao <bin.gao@linux.intel.com> Link: https://lkml.kernel.org/r/20171012163202.175062400@stormcage.americas.sgi.com
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.