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a5df70c354
Only show the Intel format attributes in sysfs when the feature is actually supported with the current model numbers. This allows programs to probe what format attributes are available, and give a sensible error message to users if they are not. This handles near all cases for intel attributes since Nehalem, except the (obscure) case when the model number if known, but PEBS is disabled in PERF_CAPABILITIES. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20170822185201.9261-2-andi@firstfloor.org Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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| README | ||
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.